Procurement Of Equipments, Instruments, Machineries, Tools, Etc. Central Calcutta Polytechnic.- 1 Model of Battery Charging System with Dynamo showing details of all parts for demonstration purpose. Necessary Lab Manual for experiment is to be provided.( Installation is to be included) 2 Cut Section Model of Multiplate Clutchshowing details of all internal parts along with clutch pedal for demonstration of the function of clutch. Necessary Lab Manual for experiment is to be provided. ( Installation is to be included) 3 Single Cylinder Four Stroke Diesel Engine Cut Section Model along with Valve Timing Diagram Arrangement.Model showing the details of all internal parts and valve gear mechanism along with Valve Timing Diagram arrangement to show the position of valves for various strokes. Handle must be fitted at the end of crankshaft Necessary Lab Manual for experiment is to be provided.( Installation is to be included) 4 Standard assembly to determine the coefficient of friction between same materials and different materials having provision of adjustment of inclination of planes along with laoding arrangement and complete sets weight box (2 nos.) Sample specimen to be provided for experiment. Necessary Lab Manual for experiment is to be provided.( Installation is to be included) 5 Weights from 10 gm to 20 kg in 1:2:2:5 ratio 6 Material: Steel or aluminum Outer Drum Diameter (Larger): 50–100 mm Inner Drum Diameter (Smaller): 40–90 mm (with a 10 mm difference) Thickness: 5–10 mm ( Installation is to be included) Necessary Lab Manual for experiment is to be provided.( Installation is to be included) 7 Material: Hardened steel or stainless steel Diameter: 15–25 mm Thread Type: Trapezoidal or square thread (for better load-carrying capacity) Thread Pitch: 2–4 mm (depends on mechanical advantage required) Height: 150–300 mm (adjustable based on height range needed) ( Installation is to be included) Necessary Lab Manual for experiment is to be provided. 8 Anodized aluminum frame and panels made of painted steel. Main metallic elements made of stainless steel. The unit should consist of:Wheel, composed of a pulley with a diameter of 194 mm. Differential axle, composed of two pulleys: Diameter no. 1 (larger axle): 111 mm. Diameter no. 2 (smaller axle): 33 mm. Movable pulley: Weight: 120 g. Shaft supported on pivots with ball bearings. Manuals: This unit must be supplied with the following manuals: Required Services, Assembly and Installation, Starting-up, Safety, Maintenance & Practices Manuals. Required elements : Brass Hook and Mass Set 2 kg. (2 sets). 6 weights of 200 g. (0.44 pounds) 6 weights of 100 g. (0.22 pounds) 2 weights of 50 g. (0.11 pounds) 2 weights of 20 g. (0.044 pounds) 2 weights of 10 g. (0.022 pounds) 1 support hook of 100 g. (0.22 pounds) Dimensions: 510 x 355 x 940 mm approx. (20.07 x 13.97 x 37 inches approx.). Weight: 20 Kg approx. (44 pounds approx.). ( Installation is to be included) Necessary Lab Manual for experiment is to be provided. 9 Showing all parts , cylinder ,piston , camshaft , crank shaft, valves ,fuel injector, movements of piston, valves , should be clearly visible. Necessary Lab Manual for experiment is to be provided.( Installation is to be included) 10 Four Stroke Four Cylinder Petrol Engine Test Rig Four Stroke four cylinder Petrol Engine test rig Engine: 10 H.P, 1500 rpm,test rig should be able to carry out1.) Performance test2.) Heat balance test 3.) Morse test Fuel measurement consumption by volumetric method, air consumption using standard orifice & MS air box, digital rpm meter, digital temperature gauges (air IN, Exhaust OUT , cooling water IN, cooling water OUT), water flow measurement through rotameter 2400 LPH (With hydraulic brake dynamometer)and other accessories 2 hard copies of Operation & Maintenance manual are to be supplied along with the set-up and Installation & Demonstration are to be given Make: Any nationally or internationally reputed brand with ISO certified manufacturing company. Brochure /catalogue showing make, model /model no.and also online linkof brochure/catalogue should be mentioned.Necessary Lab Manual for experiment is to be provided.( Installation is to be included) 11 Four Stroke Four Cylinder Diesel Engine Test Rig,Capacity: 10 BHP at 1500 r.p.m, Loading device: Mechanical brake/ Electrical dynamometer, Panel board consisting of ammeter, voltmeter, fuse carriers, fuel tank, burette, 3 way cock, tubes, stop watch, cooling arrangement and other accessoriesofreputed make. test rig should be able to carry out1.) Performance test2.) Heat balance test 3.) Morse test 2 hard copies of Operation & Maintenance manual are to be supplied along with the set-up and Installation & Demonstration are to be given Make: Any nationally or internationally reputed brand with ISO certified manufacturing company. Brochure /catalogue showing make, model /model no.and also online linkof brochure/catalogue should be mentioned company. 12 Outside Vernier Micrometer: Baked-enamel-finished frame: ; Measuring faces: Carbide; Equipped with Ratchet Stop forconstant measuring force; Range: 0 – 25 mm,Least Count: 0.001 mm, Accuracy: ± 2 µm; Necessary Lab Manual for experiment is to be provided.( Installation is to be included) 13 Cut out Model of Four Cylinder Engine Cooling System Model showing the details of all internal parts and connectivity among them for demonstration purpose. Necessary Lab Manual for experiment is to be provided.( Installation is to be included) 14 Cut Section Model of Gas Turbine Plant (both open and close type), Model showing the layout and details of all units / components for demonstration purpose.Necessary Lab Manual for experiment is to be provided.( Installation is to be included) 15 Model of a two-stroke IC engine to show different components of it (internal and external). Also working principal could be explained using the model. Necessary Lab Manual for experiment is to be provided.( Installation is to be included) 16 Non working model of actual single acting reciprocating pump havingsuction line , delivery line , air vessel , cylinder, piston , piston rod , crank connecting rod , crank shaft,arrangement of manual rotation of crank shaft to showreciprocation of piston and arrangementshould besuch that partcan be easily mantled and dismantledfor demonstration purpose and entire set up must bemountedon a suitablebase . 17 Cut Section Model of Lancashire Boiler,Model showing the details of all internal parts, boiler mountings and accessories for demonstration purpose.Necessary Lab Manual for experiment is to be provided.( Installation is to be included) 18 Air Compressor Test Rig Phase-3, Voltage- 415 V Motor Power - 2 W,Pressure - 10 bar Flow Measurement - using orifice & Air tank Speed - 1500 RPM Control Panel - Yes Pressure Measurement - Bordon pressure gauge .Necessary Lab Manual for experiment is to be provided.( Installation is to be included) 19 Cut out Model of Reciprocating CompressorModel showing the details of all internal parts for demonstration purpose. .Necessary Lab Manual for experiment is to be provided.( Installation is to be included) 20 Cut out Model of Centrifugal Compressor. Model showing the details of all internal parts for demonstration purpose..Necessary Lab Manual for experiment is to be provided.( Installation is to be included) 21 Stefan-Boltzmann’s Apparatus, The apparatus consists of the following for caring out the experiment of Stefan-Boltzmann’s Constant:• Hemisphere made of copper, 200 mm dia, approx. • Hot water jacket. • Test Disc - 20 mm dia., 1.5 mm thick, copper. • Hot water tank with heater. 2 hard copies of Operation manual are to be supplied along with the Apparatus and Installation & Demonstration are to be given Necessary Lab Manual for experiment is to be provided.( Installation is to be included) 22 Conductivity Copper Usage/Application Laboratory Material Metal rod Bras/copper – 19 mm and 310 mm length. Display Type Yes Weight 80 kg Voltage 230 v Power Electric Mounting Type Anti vibration mold Phase Single Test rod is made of copper/brass, one end of which is heated by a band heater; middle portion of the rod is enclosed in a flanged sheet filled with insulating powder.Another end of the rod projects inside a water jacket, having circulation of water.Necessary Lab Manual for experiment is to be provided.( Installation is to be included) 23 Identify the different types of LT components. MCCB:- 125A/63A/100A :- 1no. MCB Single Pole (16A), Double Pole(20A), Tipple Pole (16A), Tipple Pole with Neutral (32A) :- 1no. each rating. ELCB:- 40A, Leakage current 20mA any branded make:- 1no. Relay:- PCB Based 24V(DC) 5A, 12V(DC) 6A, 240V(AC) 10A- 1no. each rating. Contractor with Over load(230Vaux. Supply)- 1no. Push Button (Micro type), (Standard type) (Rotary type), (Indicator type), (Emergency type), :- 1no. Rotary Switch:- 415V/230V (16A) :- 1no. Volt selector switch (3Phase voltage checking)- 1no. Fuse with holder :- (PCB based), (Glass type), (Kitkat type), (HRC type)- 1no. each. Toggle Switch:- (DPDT-3A), (SPST 10A), (DPST 10A), (DPDT 10A), (TPST 10A), (TPDT 10A), (SPST rail type)- 1no. each. Connector :- (CST type), (KUT type), (KUT stopper), ( Panel Side type), (Barrier type), (Bus-Bar type), (Motor based type) – 1no. each. Terminal:- (2mm with jack), (4mm with jack), ( panel mount 30& 60A), (LT bus-bar type)- 1no each. Indicator:- LED & NEON type 1 no. each. Cable Tie:- different size with base. Sleeve:- Glass and PVC type different size- 1no. each. Cable Lugs:- (Ring type, Fork type, Pin type) 2 Nos. each. Cable marking ferrule:- Numbering and alphabet type – 10 nos. each. PVC ducting channel:- 1no. with cover. Cable Gland:- Different size-1 no .each. Limit Switch:- Plunger type and standard type- 1no. each. Potential transformer:- Step down Centre tap. 1no. Current Transformer:- 20:5- 1no. Inductor any rating -1no. Industrial Socket with Plug Single Phase- 1no. LT Bus-Bar 200A(Aluminum), 100A (Copper). Trolley mounted with front side cover by transparent sheeted. Used 1no. LED tube in side the box 24 Test HRC fuse/MCB/ELCB by performing the load test FEATURES:-• Power Supply using Transformer • Inbuilt variable current injection facility • Transparent MCB’s to understand internal architecture and its working • Inbuilt Timer, Current & Temperature on LCD • MCBs are mounted with temperature sensor for current temperature analysis • Equipped with supply indication lamp • Designed by considering all the safety standards • Diagrammatic representation for the ease of connections. TECHNICAL SPECIFICATIONS:-• Mains Supply : 0-220V AC ±10%, 50Hz • Single Phase Input : 230V, 50Hz • Output : 0-270V • Current : 20A • Single Phase Transformer • Rating : 2kVA • Input : 230V • Output : 230V • Type : Mounting type • Digital timer-1no. • Ammeter:- 0-20A, AC digital panel mount-1no. HRC Fuse:- 6A HRC with base-2sets. 10A HRC with base-2sets. MCB:- Single pole 6A, 10A, channel mount-1no. each. ELCB:- -1no. Sensitivity: 30 mA Breaking Capacity: 10 kA Brand: (ISO) Frequency: 50 Hz Number of Poles: Double Pole Operating Characteristics: AC Rated Current: 25A. All components are fitted with the trolley mounted panel and brought out all terminals for external connection facility. Provided operating manual and no. of patch cord. Emergency Indication:- 3 Tier Industrial Warning Light Signal Tower Light Alarm Lamp with Buzzer Sound | Signal Light Round 3 Colorsfixed above the panel. Over Current/Over load protection: Motor should be protected from over current and short circuit. All meters are mounting / fittings on a Class “F” insulation panel board with resolution print and fittings to a powder coated panel box and stand with trolley mounted for easily movement. Panel must use for automatic cooling system on above 40degree temperature. All inbuilt connection must marking proper circuit diagram with ferule numbing and provide circuit diagram. Patch cord are must used ISO make multi jack and ISO make wire. All the terminals of the , Metersbrought out on the panel for flexible connection. With MCB, indicators, terminals, connecting patch cords, operating manuals (both Hard copy and Soft copy), and test certificate etc. 25 Testing of Induction type/ Microprocessor Based Over Current relay using Relay Testing Kit to plot the inverse characteristics. Description: SCOPE OF LEARNING: • To study the IDMT Over Current Relay & its applications • To study and use plug setting multiplier • To study and use time setting multiplier • To study and verify the operating Characteristics of Over Current Relay at various plug & time settings TECHNICAL SPECIFICATIONS: Power Supplies: • AC Current Source 0-20A, variable, panel mount with minimum protection facility. • Operated on Mains power 230V, 50Hz +10% SINGLE PHASE POWER SUPPLY MODULE (230V,50Hz) •MCB:- DP 10, channel type, Siemens make-1no. • Emergency Stop:- Panel maount-1no. • Red Indicator:- 230V, 16mm-2nos. DIGITAL METER MODULE (FOR AC) • Digital Ammeter AC:- 0-20A, 96sq.mm. C.T. operated (C&S/AE/Cabs make)-1no. •Timer:- Digital time totalizer, panel mount-1no. EARTH FAULT/ OVER CURRENT RELAY MODULE •Over CurrentRelay;- Microprocessor based with PC communicationand IoT facility, self power with NO and NC contact-1no. each, casing type, AREVA/C&S/SCHNIDER make:-1no. • Trip Indicators:- 16mm. -1no. • Reset Switch for Timer:- NO type, thumb push-1no. • Buzzer Indicator for Alarm:- 230V, 50Hz, panel mount-1no. • Push On/Off for Load Current On • Control Switches for Timer and Load Current On. SALIENT FEATURES: • Front panel built with high class insulated board with well printed circuits and symbols. • Instruction manual. • Patch Cords 4mm (Heavy Duty) –as require. • High Voltage Test Points are Provided With 4mm Safety Sockets • The trainer is housed in Modular Based Rack or M.S. powder coated box trolley mounted Type. • Short Circuit protection with the MCB. • Size of the trainer set 30”x24”x54’’. Emergency Indication:- 3 Tier Industrial Warning Light Signal Tower Light Alarm Lamp with Buzzer Sound | Signal Light Round 3 Colorsfixed above the panel. Over Current/Over load protection: Motor should be protected from over current and short circuit. All meters are mounting / fittings on a Class “F” insulation panel board with resolution print and fittings to a powder coated panel box and stand with trolley mounted for easily movement. Panel must use for automatic cooling system on above 40degree temperature. All inbuilt connection must marking proper circuit diagram with ferule numbing and provide circuit diagram. Patch cord are must used ISO make multi jack and ISO make wire. All the terminals of the , Metersbrought out on the panel for flexible connection. With MCB, indicators, terminals, connecting patch cords, operating manuals (both Hard copy and Soft copy), and test certificate etc. The IoT-based parameter monitoring system should be designed for precise real-time data acquisition, processing, and visualization, offering both local and remote access capabilities. Locally, it should feature a high-contrast OLED display with a minimum resolution of 128x64 pixels, driven by I2C communication for low-latency updates. The system should utilize a dual-core microcontroller unit (MCU) with a clock speed of 240 MHz, a hardware floating-point unit for efficient computation, and 520 KB SRAM for real-time data buffering. It should integrate 802.11b/g/n Wi-Fi for reliable network connectivity, with WPA2 encryption for secure data transmission. Remote monitoring should be available via a dedicated cross-platform mobile application and a web dashboard, providing real-time visualization tools, customizable alerts, and anomaly detection features. Data visualization and control must be accessible globally via an IoT cloud platform, with secure login credentials (unique user ID and password) to enable access from any location. The system should store data for up to 7 days with options to export data in CSV/Excel formats for detailed offline analysis. Robust user authentication mechanisms, including optional multi-factor authentication, should ensure enhanced security. The system should monitor relay terminal input current (up to 20A). In the event of a fault, the relay should trip, and the trip indication should be shown locally with a buzzer and on the IoT cloud platform. The system must facilitate secure, real-time global visualization of these metrics to support efficient analysis, management, and optimization. All the parameters must be visualized globally in real time through IoT Cloud Platform login using unique user id and password from any part of the world and the data should be stored up to 7 days and should be exported in CSV/Excel format for detailed offline analysis. 26 Testing of static distance protection relay using Relay Testing Kit. The Set-up comprises of artificial Short, Medium and Long Transmission Line (Total: 400 K.M. 100kn x 2 nos. and 200 K.M. x 1no. Non saturate core line inductor) Operating voltage-0-415V, Load Current-15A, 50 Hz, Single Phase. All line components (i.e. Resistance, Inductance & Capacitance) different tapping are easily accessible forexternal connection by Armstrong’s Patch chords. Distance Protection Relay:-Numerical type, Microprocessor based with PC communicationand IoT facility, self power with NO and NC contact-1no. each, casing type, AREVA/C&S/SCHNIDER make:-1no. Transformer: 2 KVA, 415V / 415V, threephase, star-star, normally air cooled, CRGO core type, ISO make Extra Features DSO Test Point: Every 400km. sending end and receiving end both current and voltage wave form zone wise test points are available. Variable Voltage Source: 0-415V, 5A, Three- phase (Isolated) with zero interlocking, short circuit& over load protection – 1 no. Power Analyser: Digital multi- monitoring system (i.e. VA, W, VAR, ,Hz, A0 , A, V), Panel mount flash type, 96 mm X 96 mm, Aux. supply : 230V AC PC Communication for Export and Import facility With RS485.-2nos. Fault Indication: Bright LED type Pilot lamp used for indicate any fault and easy view when fault any reason of the Line. The IoT-based parameter monitoring system should be designed for precise real-time data acquisition, processing, and visualization, offering both local and remote access capabilities. Locally, it should feature a high-contrast OLED display with a minimum resolution of 128x64 pixels, driven by I2C communication for low-latency updates. The system should utilize a dual-core microcontroller unit (MCU) with a clock speed of 240 MHz, a hardware floating-point unit for efficient computation, and 520 KB SRAM for real-time data buffering. It should integrate 802.11b/g/n Wi-Fi for reliable network connectivity, with WPA2 encryption for secure data transmission. Remote monitoring should be available via a dedicated cross-platform mobile application and a web dashboard, providing real-time visualization tools, customizable alerts, and anomaly detection features. Data visualization and control must be accessible globally via an IoT cloud platform, with secure login credentials (unique user ID and password) to enable access from any location. The system should store data for up to 7 days with options to export data in CSV/Excel formats for detailed offline analysis. Robust user authentication mechanisms, including optional multi-factor authentication, should ensure enhanced security. The system should monitor sending end 3-phase voltages (Voltage Max-460V L-L), 3-phase currents (Max. 5A), power, speed, and temperature. These parameters should be displayed locally on the OLED screen and accessible via the IoT cloud platform for global monitoring and management. The system should also monitor relay terminal input current (up to 20A). In the event of a fault, the relay should trip, and the trip indication should be shown locally with a buzzer and on the IoT cloud platform. Additionally, the system should display the distance region within which the fault has occurred. This will allow for better fault localization and efficient analysis of system performance. The system must facilitate secure, real-time global visualization of these metrics to support efficient analysis, management, and optimization. All the parameters must be visualized globally in real time through IoT Cloud Platform login using unique user id and password from any part of the world and the data should be stored up to 7 days and should be exported in CSV/Excel format for detailed offline analysis. Emergency Indication:- 3 Tier Industrial Warning Light Signal Tower Light Alarm Lamp with Buzzer Sound | Signal Light Round 3 Colorsfixed above the panel. Over Current/Over load protection: Motor should be protected from over current and short circuit. All meters are mounting / fittings on a Class “F” insulation panel board with resolution print and fittings to a powder coated panel box and stand with trolley mounted for easily movement. Panel must use for automatic cooling system on above 40degree temperature. All inbuilt connection must marking proper circuit diagram with ferule numbing and provide circuit diagram. Patch cord are must used ISO make multi jack and ISO make wire. All the terminals of the , Metersbrought out on the panel for flexible connection. With MCB, indicators, terminals, connecting patch cords, operating manuals (both Hard copy and Soft copy), and test certificate etc. 27 Demonstrate the operation of single phasing preventer by creating single phasing fault for a given 3-ph induction motor with D.O.L. starter. Induction motor: Sq. cage type Induction motor, 1 HP, 415 volts, 1460 rpm, suitable for Star-Delta connection, foot mounted, class ‘B’ insulation, fan cool, Cont. duty (Crompton / Siemens/Kriloskarmake). – 1 no. Ammeter : 0-5 amps, digital type, AC ammeter, panel type, 96 sq. mm (ISO make) – 1 no. With data holding facility. Voltmeter: MI type AC, 0-500 volts, panel type, 96 sq. mm, and ISO make with volt selector – 1 no. Watt meter: - Digital type, 415Volt/5A watt meter -2nos. Starter : DOL starter (L&T/Schneider/Siemens make)-1no. RPM Meter: Digital rpm meter panel mount with proximity sensor-1no. Motor winding temperature protection with auto break circuit facility- 1no. Single-Phasing Preventer:- Motor & with load are fittings on MS channel base with coupling arrangement. Emergency Switch:- Two nos. emergency switch must be provided on both side of the panel for emergency purpose. Emergency Indication:-3 Tier Industrial Warning Light Signal Tower Light Alarm Lamp with Buzzer Sound | Signal Light Round 3 Coloursfixed above the panel. Over Current/Over load protection: Motor should be protected from over current and short circuit. Motor mount on MS U channel base with loading arrangement. Bottom site fixed anti vibrator pad for less vibration. All meters are mounting / fittings on a Class “F” insulation panel board with high resolution laminated print and fittings to a powder coated panel box and stand with trolley mounted for easily movement. Panel must use for automatic cooling system on above 40degree temperature. All inbuilt connection must marking proper circuit diagram with ferule numbing and provide circuit diagram. Patch cord are must used ISO make multi jack and ISO make wire. All the terminals of the motors, Meters, starters etc. brought out on the panel for flexible connection. With MCB, indicators, terminals, connecting patch cords, operating manuals (both Hard copy and Soft copy), and test certificate etc. The IoT-based parameter monitoring system should be designed for precise real-time data acquisition, processing, and visualization, offering both local and remote access capabilities. Locally, it should feature a high-contrast OLED display with a minimum resolution of 128x64 pixels, driven by I2C communication for low-latency updates. The system should utilize a dual-core microcontroller unit (MCU) with a clock speed of 240 MHz, a hardware floating-point unit for efficient computation, and 520 KB SRAM for real-time data buffering. It should integrate 802.11b/g/n Wi-Fi for reliable network connectivity, with WPA2 encryption for secure data transmission. Remote monitoring should be available via a dedicated cross-platform mobile application and a web dashboard, providing real-time visualization tools, customizable alerts, and anomaly detection features. Data visualization and control must be accessible globally via an IoT cloud platform, with secure login credentials (unique user ID and password) to enable access from any location. The system should store data for up to 7 days with options to export data in CSV/Excel formats for detailed offline analysis. Robust user authentication mechanisms, including optional multi-factor authentication, should ensure enhanced security. The system should monitor 3-phase voltages (Voltage Max-460V L-L), 3-phase currents (Max. 5A), power, speed, and temperature. These parameters should be displayed locally on the OLED screen and accessible via the IoT cloud platform for global monitoring and management. 28 Study of different lightning arrester and identify different parts. Rod-type Lightning Arrester-1no. Horn-type Lightning Arrester-1no. Valve-type Lightning Arrester-1no. Metal Oxide Lightning Arrester-1no. Hybrid Lightning Arrester-1no. Lightning Arrester for Building-1no. 29 Identify various components of different switchgears. Cut section models of MOCB, VCB, OBCB, SF6 Breaker ( fournos comprises one set ) : Size : 30cm. X 15cm. X 15cm. each. All model to be covered by 6mm thick transparent acrylic sheet box. Separate coloureddrawings( 28” X 22” ) with Labelling of general Assembly & sectional views must have to be supplied along with the models. 30 Identify & study different components of solar street lighting system for AC supply. 1. Scope of Work Supply, installation, and commissioning of an IoT-enabled Smart Solar Street Light platform for real-time parameter monitoring, control, and data visualization. The system should integrate sensors, solar energy harvesting, LED lighting, and secure IoT connectivity for local and remote monitoring. It should serve as a user-friendly platform for experimentation, learning, and development in IoT applications. ________________________________________ 2. Technical Requirements 2.1 Smart Pole Specifications • Solar Panel: High-efficiency module for optimized energy harvesting. • LED Light: Energy-efficient LED lighting with dimming capabilities. • Battery: Maintenance-free lead-acid battery with onboard charging and protection circuits. • Solar Charge Controller: Smart controller for efficient power management and battery protection. • Enclosure: High-grade FRP material for durability and weather resistance. • Pole: M.S. powder-coated for corrosion resistance and aesthetic appeal. 2.2 Sensor Suite • PIR Sensor: Motion detection for energy-efficient lighting control. • Air Quality Sensor: Monitors PM1, PM2.5, and PM10 levels. • Temperature and Humidity Sensor: Real-time environmental monitoring. • Ambient Light Sensor: Facilitates adaptive lighting control. 2.3 Controller Unit • Processor: Dual-core Xtensa 32-bit LX7 processor with a clock speed of 240 MHz. • Memory: o 520 KB SRAM for real-time processing and buffering. o Embedded storage for firmware and configurations. • I/O Interfaces: o Digital Input/Output: 34 pins. o Analog Input: 16 pins. o Communication Interfaces: UART (2 nos.), I2C (1 no.), and SPI compatibility. 2.4 Power Supply and Monitoring • Dual voltage options (5V and 3.3V) for versatile peripheral support. • Voltage and Current Monitoring: o Digital voltmeter (0-25V). o Digital ammeter (0-10A). 2.5 User Interaction and Control • Fault simulation switches: 30 nos. • Variable potentiometer: 1 (10K). • LED and buzzer for visual and audio alerts. ________________________________________ 3. IoT Connectivity 3.1 Local Monitoring • High-contrast OLED display (minimum 128x64 pixels) using I2C communication for instantaneous data visualization. 3.2 Remote Monitoring • Cloud Platform: o TLS/SSL-secured communication for end-to-end data security. o Historical data storage for a minimum of 7 days. o Export data in CSV/Excel format. • Mobile and Web Applications: o Real-time sensor data global visualization and alerts from any part of the world o User authentication with ID and password, supporting optional multi-factor authentication. 3.3 Connectivity Options • Wi-Fi (802.11b/g/n) for cloud integration. • LoRaWAN for long-range, low-power communication. ________________________________________ 4. Software Specifications • Development Compatibility: Compatible with Arduino IDE, Python, and embedded C for custom firmware development. • Visualization Tools: Software for graph-based real-time sensor data analysis on PC and mobile. • Dashboard: Interactive web-based dashboard for data analytics and control. ________________________________________ 5. Mechanical Design • Weatherproof enclosure using high-grade FRP material. • Durable and corrosion-resistant M.S. powder-coated pole. The parameters to be monitored in the IoT-enabled Smart Solar Street Light platform are: Environmental Parameters 1. Air Quality: Measurement of air particulate matter levels (PM1, PM2.5, and PM10). 2. Temperature: Real-time monitoring of ambient temperature. 3. Humidity: Real-time measurement of relative humidity. 4. Ambient Light Intensity: Detection of natural light levels to enable adaptive lighting control. Energy and System Parameters 5. Solar Panel Voltage: Real-time voltage output of the solar panel to monitor energy generation. 6. Solar Panel Current: Current output from the solar panel to assess power production. 7. Battery Voltage: Monitoring the voltage of the battery for charge level assessment. 8. Load Voltage: Voltage supplied to the connected load (e.g., LED light). 9. Load Current: Current drawn by the connected load to assess power consumption. Functional Parameters 10. Motion Detection: Presence detection via PIR sensor for adaptive lighting control. The IoT-based parameter monitoring system shall provide precise, real-time data acquisition, processing, and visualization with local and remote access capabilities. It will feature a high-contrast OLED display (128x64 pixels) for local monitoring, powered by a dual-core microcontroller (240 MHz) with hardware floating-point support and 520 KB SRAM for efficient data processing. The system will integrate 802.11b/g/n Wi-Fi for secure connectivity, supporting WPA2 encryption, and enable remote monitoring via a mobile app and web dashboard with real-time visualization, alerts, and anomaly detection. Data will be stored in the IoT cloud for up to 7 days and can be exported in CSV/Excel format. Parameters to be monitored include air quality (PM1, PM2.5, PM10), temperature, humidity, ambient light intensity, solar panel voltage and current, battery voltage, load voltage and current, and motion detection for adaptive lighting control. The system will offer secure user authentication and multi-factor authentication for global access, ensuring efficient energy management and seamless monitoring of smart solar street lights. All the parameters must be visualized globally in real time through IoT Cloud Platform login using unique user id and password from any part of the world and the data should be stored up to7 days and should be exported in CSV/Excel format for detailed offline analysis. 31 Identify & study the specified components of a Small Wind Turbine (SWT) system. Wind Turbine : 200 watt( Design specification) Generator voltage : 12V approx. Actual Output Power : 200W Blades : 5nos. Rotor : Five FRP blades along with standard steel nut-bolts Structure : 5ft, with floor stand Wind charge controller Voltage : 12V Protection : Overload and low-battery protection Storage battery (2nos) Capacity : 20AH Inverter Capacity : 750VA Input voltage : 190~260V AC output voltage : Same as input (mains mode) Output voltage : 210~245V (Inverter Inverter) Output frequency : 50Hz ±0.1Hz (Inverter mode) Output waveform : Modified Sine wave (Inverter mode) Efficiency at full load : >80% Technology : Microcontroller based design Digital meters AC voltmeter : 500V AC ammeter : 10A DC voltmeter : 300V DC ammeter : 20A AC Multi Function Meter : Voltage-10-230V : Current-100mA-5A Watt-10-1200W Frequency-50Hz. Stand fan:- 48mm stand fan with drives for wind speed control-1no. The IoT-based parameter monitoring system should be designed for precise real-time data acquisition, processing, and visualization, with both local and remote access capabilities. Locally, it should feature a high-contrast OLED display with a minimum resolution of 128x64 pixels, driven by I2C communication to ensure low-latency updates. The system should utilize a dual-core microcontroller unit (MCU) with a clock speed of 240 MHz, a hardware floating-point unit for efficient computation, and 520 KB SRAM for real-time data buffering. It should integrate 802.11b/g/n Wi-Fi to provide reliable network connectivity, with WPA2 encryption for secure data transmission. Remote monitoring should be accessible through a dedicated cross-platform mobile application and a web dashboard, offering real-time visualization tools, customizable alerts, and anomaly detection features. Data visualization and control must be global via an IoT cloud platform, allowing access through secure login credentials (unique user ID and password) from any location. The system should store data for up to 7 days with options for CSV/Excel export for detailed offline analysis. Robust user authentication mechanisms, including optional multi-factor authentication, should ensure enhanced security. The parameters to be monitored include 3-phase voltage (max. 20V L-L), 3-phase current (max. 5A), active power, rotational speed, and battery status. These should be displayed on both the local OLED and the IoT cloud platform for comprehensive monitoring. The system must facilitate secure, real-time global visualization of these metrics to support efficient analysis, management, and optimization. All the parameters must be visualized globally in real time through IoT Cloud Platform login using unique user id and password from any part of the world and the data should be stored up to7 days and should be exported in CSV/Excel format for detailed offline analysis. 32 Set up the solar PV plant to produce electricity. Series combination of Solar PV Modules • Parallel combination of Solar PV Modules • Series-parallel combination of Solar PV Modules • VI Characteristics of Solar PV Module • Blocking diode and its working in Solar PV Module • Bypass diode and its working in Solar PV Module • Effect of inclination angle of Solar PV Module • Different charging techniques • Buck, Boost converter • Effect of change in solar radiation on Solar PV Module. S.P.V Module. • Max Power at STC: 30W • Short Circuit Current : 1.70A • Optimum Operating Current : 1.60A • Open Circuit Voltage : 22.9V • Optimum Operating Voltage : 19.5V • Operating Temperature: -40ºC to 90ºC Batteries Voltage: 12V Capacity: 7 Ah Quantity : 2 Nos. Protection: Overload and low-battery protection Storage battery (2nos) Inverter Capacity: 750VA Input voltage: 190~260V AC output voltage: Same as input (mains mode) Output voltage: 210~245V (Inverter Inverter) Output frequency: 50Hz ±0.1Hz (Inverter mode) Output waveform: Modified Sine wave (Inverter mode) Efficiency at full load :>80% Technology: Microcontroller based design Digital meters AC voltmeter: 500V AC ammeter : 10A DC voltmeter : 300V DC ammeter : 20A AC Multi-Function Meter : Voltage-10-230V : Current-100mA-5A Watt-10-1200W Frequency-50Hz. The IoT-based parameter monitoring system should be designed for precise real-time data acquisition, processing, and visualization, with both local and remote access capabilities. Locally, it should feature a high-contrast OLED display with a minimum resolution of 128x64 pixels, driven by I2C communication to ensure low-latency updates. The system should utilize a dual-core microcontroller unit (MCU) with a clock speed of 240 MHz, a hardware floating-point unit for efficient computation, and 520 KB SRAM for real-time data buffering. It should integrate 802.11b/g/n Wi-Fi to provide reliable network connectivity, with WPA2 encryption for secure data transmission. Remote monitoring should be accessible through a dedicated cross-platform mobile application and a web dashboard, offering real-time visualization tools, customizable alerts, and anomaly detection features. Data visualization and control must be global via an IoT cloud platform, allowing access through secure login credentials (unique user ID and password) from any location. The system should store data for up to 7 days with options for CSV/Excel export for detailed offline analysis. Robust user authentication mechanisms, including optional multi-factor authentication, should ensure enhanced security. The parameters to be monitored include DC voltage, DC current, DC power, and battery status. These should be displayed on both the local OLED and the IoT cloud platform for comprehensive monitoring. The system must facilitate secure, real-time global visualization of these metrics to support efficient analysis, management, and optimization. All the parameters must be visualized globally in real time through IoT Cloud Platform login using unique user id and password from any part of the world and the data should be stored up to 7 days and should be exported in CSV/Excel format for detailed offline analysis. 33 Set up the wind power plant of with a Small Wind Turbine to produce electricity. Wind Turbine : 200 watt( Design specification) Generator voltage : 12V approx. Actual Output Power : 200W Blades : 5nos. Rotor : Five FRP blades along with standard steel nut-bolts Structure : 5ft, with floor stand Wind charge controller Voltage : 12V Protection : Overload and low-battery protection Storage battery (2nos) Capacity : 20AH Inverter Capacity : 750VA Input voltage : 190~260V AC output voltage : Same as input (mains mode) Output voltage : 210~245V (Inverter Inverter) Output frequency : 50Hz ±0.1Hz (Inverter mode) Output waveform : Modified Sine wave (Inverter mode) Efficiency at full load : >80% Technology : Microcontroller based design Digital meters AC voltmeter : 500V AC ammeter : 10A DC voltmeter : 300V DC ammeter : 20A AC Multi Function Meter : Voltage-10-230V : Current-100mA-5A Watt-10-1200W Frequency-50Hz. Stand fan:- 48mm stand fan with drives for wind speed control-1no. The IoT-based parameter monitoring system should be designed for precise real-time data acquisition, processing, and visualization, with both local and remote access capabilities. Locally, it should feature a high-contrast OLED display with a minimum resolution of 128x64 pixels, driven by I2C communication to ensure low-latency updates. The system should utilize a dual-core microcontroller unit (MCU) with a clock speed of 240 MHz, a hardware floating-point unit for efficient computation, and 520 KB SRAM for real-time data buffering. It should integrate 802.11b/g/n Wi-Fi to provide reliable network connectivity, with WPA2 encryption for secure data transmission. Remote monitoring should be accessible through a dedicated cross-platform mobile application and a web dashboard, offering real-time visualization tools, customizable alerts, and anomaly detection features. Data visualization and control must be global via an IoT cloud platform, allowing access through secure login credentials (unique user ID and password) from any location. The system should store data for up to 7 days with options for CSV/Excel export for detailed offline analysis. Robust user authentication mechanisms, including optional multi-factor authentication, should ensure enhanced security. The parameters to be monitored include 3-phase voltage (max. 20V L-L), 3-phase current (max. 5A), active power, rotational speed, and battery status. These should be displayed on both the local OLED and the IoT cloud platform for comprehensive monitoring. The system must facilitate secure, real-time global visualization of these metrics to support efficient analysis, management, and optimization. All the parameters must be visualized globally in real time through IoT Cloud Platform login using unique user id and password from any part of the world and the data should be stored up to7 days and should be exported in CSV/Excel format for detailed offline analysis. 34 Study on assembling and dismantling of CSP plant using parabolic trough / parabolic dish. Trolley mounted Dish Shape True Parabola Fuel Solar Energy Area Required For Installation/dish 2.5m2 Operations Per Days 7hrs./day Efficiency Of Our Solar DISH Upto 60% Reflective of The Parabolic Dish Upto 85% Total Weight of Dish with Tracker &Pole 18 Kg (approx) Avg. Heat Output/Dish(Kcal) 5,000 Kcal/day. Aluminium container for cooking with black paint-1no. 35 Study on assembling of a micro hydro power plant. Features:- The system consists of: A) Mini hydroelectric power plant mounted on castors including: A.1) Turbine-generator unit with water distributor A.2) Variable speed centrifugal pump A.3) Stainless steel water tank A.4) Flow rate sensor A.5) Pressure sensor and pressure gauge B) Table top control panel including: B.1) Controller with air dissipation system B.2) Sinewave inverter B.3) Electric loads B.4) Electric instrumentation for detecting the energy flows in different branches of the circuit B.5) Data acquisition board with USB interface for PC connection. Technical Specifications. • Turbine-generator unit: - AISI 304 stainless steel Pelton turbine, d = 100 mm, blade no. = 20 - 6-jet distributor - 3 jets can be externally intercepted - permanent magnets synchronous generator - rated voltage: 25 Vac three phase - frequency: 50 Hz - nominal electric power output: 0,5 kW (height 30 m, flow rate 3 l/s) - generator speed: 1500 rpm • AISI 304 stainless steel horizontal axis multistage monoblock pump: - power: 0,75 kW - maximum flow rate: 10 m3 /h - maximum head: 43 m - frequency converter for rpm adjustment • AISI 304 stainless steel water tank, capacity: 250 liters • AISI 304 stainless steel hydraulic circuit feeding the turbine generator unit with: - ball valve and dial vacuum gauge, range: -1 ÷ 5 bar, at pump suction - dial pressure gauge, range: 0 ÷ 6 bar, and gate valve at pump discharge - ball valve at distributor-tank by-pass Flow rate sensor for measuring and transmitting the water flow rate to the control panel • Transducer type: rotating vane • Range: 25 ÷ 250 liters/minute Pressure sensor for measuring and transmitting the water pressure to the control panel • Transducer type: piezoresistive • Range: 0 ÷ 16 bar Table top control panel: • Steel structure with: - front side: comprehensive colored diagram of the system - back side: AC loading system consisting of 5 30 W (equivalent) switchable lamps • Controller - Rectifier - Air dissipation system - Digital voltmeter for the DC parameters - Digital ammeter for the DC parameters • Inverter - continuous output power: 600 W - peak output power: 1200 W - input voltage: 24 Vdc - output voltage: 230 Vac - 50 Hz - output waveform: modified sine wave - stop for low battery charge - protection against overload, short circuit, overtemperature • Instrumentation - multifunction instruments, microprocessor-based, for AC parameters • Socket for connection to the spotlight ACL220V (optional item - refer to the end of this data sheet) • Ø 4 mm safety holes for connection to the portable rheostat PRH-3 (optional item - refer to the end of this data sheet) • Ø 4 mm safety holes for connection to the lamp DCL24V (optional item - refer to the end of this data sheet). Emergency Switch:- Two nos. emergency switch must be provided on both side of the panel foremergency purpose. Emergency Indication:- 3 Tier Industrial Warning Light Signal Tower Light Alarm Lamp with Buzzer Sound | Signal Light Round 3 Colorsfixed above the panel. Over Current/Over load protection: Motor should be protected from over current and short circuit. All meters are mounting / fittings on a Class “F” insulation panel board with resolution print and fittings to a powder coated panel box and stand with trolley mounted for easily movement. Panel must use for automatic cooling system on above 40degree temperature. All inbuilt connection must marking proper circuit diagram with ferule numbing and provide circuit diagram. Patch cord are must used ISO make multi jack and ISO make wire. All the terminals of the , Metersbrought out on the panel for flexible connection. With MCB, indicators, terminals, connecting patch cords, operating manuals (both Hard copy and Soft copy), and test certificate etc. @146000.00+18%=172280.00 36 1. Identify the different parts (along with function and materials) for the given single phase and three phase induction motor. 0.5 HP capacity, 230 volts, 1460 RPM, capacitor start, single phase Sq. cage induction motor. All parts i.e. Stator starting coil & running coil winding, Sq. Cage Rotor, Centrifugal switch, Starting capacitor, cooling fan etc. are properly paints and marking for easy understanding. 0.5 HP capacity, 440 volts, 1460 RPM, three- phase Sq. cage induction motor. All parts i.e. Stator starting coil & running coil winding, Sq. Cage Rotor, Cooling fan etc. are properly paints and marking for easy understanding. 37 1. Perform the direct load test on the three phase squirrel cage induction motor and plot the i) efficiency versus output, ii) power factor versus output, iii) power factor versus motor current and iv) torque – slip/speed characteristics efficiency versus output, v) power factor versus output, vi) power factor versus motor current and vii ) torque – slip/speed characteristics. Induction motor: Sq. cage type Induction motor, 3 HP, 415 volts, 1460 rpm, suitable for Star-Delta connection, foot mounted, class ‘B’ insulation, fan cool, Cont. duty (Crompton / Siemens/Kriloskarmake). – 1 no. Ammeter : 0-5 amps, Digital, AC ammeter, panel type, 96 sq. mm (ISO make) – 1 no. Voltmeter: AC, 0-500 volts, Digital, panel type, 96 sq. mm, ISO makewith volt selector – 1 no. P.F. meter: - Digital type, 415Volt/5A power factor meter -1no. Starter : DOL starter (L&T/Schneider/Siemens make)-1no. Stroboscope: - Digital Hand held type, accuracy class 0.5, with rechargeable battery facility with charger – 1 no. Motor winding temperature protection with auto break circuit facility- 1no. Motor & with load are fittings on MS channel base with coupling arrangement. Emergency Switch:- Two nos. emergency switch must be provided on both side of the panel for emergency purpose. Emergency Indication:-3 Tier Industrial Warning Light Signal Tower Light Alarm Lamp with Buzzer Sound | Signal Light Round 3 Coloursfixed above the panel. Over Current/Over load protection: Motor should be protected from over current and short circuit. Motor mount on MS U channel base with loading arrangement. Bottom site fixed anti vibrator pad for less vibration. All meters are mounting / fittings on a Class “F” insulation panel board with high resolution laminated print and fittings to a powder coated panel box and stand with trolley mounted for easily movement. Panel must use for automatic cooling system on above 40degree temperature. All inbuilt connection must marking proper circuit diagram with ferule numbing and provide circuit diagram. Patch cord are must used ISO make multi jack and ISO make wire. All the terminals of the motors, Meters, starters etc. brought out on the panel for flexible connection. With MCB, indicators, terminals, connecting patch cords, operating manuals (both Hard copy and Soft copy), and test certificate etc. IoT Module Specification: The IoT-based parameter monitoring system should be engineered for precise, real-time data acquisition, processing, and visualization, offering both local and remote access capabilities. Locally, it should feature high-contrast OLED display with a minimum resolution of 128x64 pixels, driven by I2C communication for low-latency updates. The system should be powered by a dual-core microcontroller unit (MCU) with a clock speed of 240 MHz, incorporating a hardware floating-point unit for efficient computation and 520 KB SRAM for real-time data buffering. It should integrate 802.11b/g/n Wi-Fi for reliable network connectivity, supporting WPA2 encryption for secure data transmission. Remote monitoring should be enabled via a dedicated cross-platform mobile application and web dashboard, with real-time visualization tools, alerts, and anomaly detection features. User authentication should be enforced through secure ID and password protocols, with optional multi-factor authentication for enhanced security. All the parameters must be visualized globally in real time through IoT Cloud Platform login using unique user id and password from any part of the world and the data should be stored up to7 days and should be exported in CSV/Excel format for detailed offline analysis. 38 Model Number: P6 Outdoor LED module Power Requirement: 259W/m2 Backlight: Black Display Type: LED Display Size: 7.5 inch Display Colour: Multicolour All connecting cable and wire 39 LED Controller Card – 32 x 320 - Single Color - 2x HUB12 . 40 IR Infrared Sensor Module Reflective Photoelectric Light IntensityKit for Arduino Uno. 41 P10 Outdoor LED Display Panel Module - 32x16 - High Brightness red - 5V - SMD Dot Matrix Display 42 0-100V 30A Dual LED Voltmeter Ammeter Monitor Panel Module 43 5V, 40A, SMPS Slim Type - 200W 44 Colorful LED Screen Wi-Fi Controller HuiDu HD-WF1 WF2 WF4 Use For HUB75 P10 P8 P6 P5 Full Color Led Module Display Screen 45 P10 Outdoor RGB SMD LED Display Module – 2727 LED 32×16 – RGB SMD LED MATRIX 46 Temperature and Humidity Sensor 47 Temperature & Humidity Sensor 48 Ultrasonic Distance Sensor HC-SR04 Module 49 PIR Motion Sensor 50 Photoelectric Water / Liquid Level Sensor For Arduino 51 Analog pH Sensor - Meter Kit 52 Touch Sensor 53 NFC/RFID reader with two transponders 54 Hall Sensor 55 Raspberry Pi 4 Model-B with 1 GB RAM 56 Raspberry pi 4 Basic Kit 57 ESP32 (38 Pin) WiFi + Bluetooth NodeMCU-32 Development Board 58 Linear System Simulator Study the performance of 1st, 2nd and 3rd Order Systems. Study the performance of 1st, 2nd and 3rd Order Systems. 59 Control System Trainers Control system trainers consists of dc motor study, dc motor speed control (open loop / close loop), pid controllers with independent setting of P, I, D constants, 1st, 2nd & 3rd order system simulators, compensation designs etc,. 2mm / 4mm patch chords set and user manual are provided with each trainer. 60 Dual channel analog Cathode Ray Oscilloscope (30 MHz) with probes, Make: Reputed company 61 Digital Storage Oscilloscope (100 MHz) with probes, Make: Reputed company 62 BNC Probes for Oscilloscope, Make: Reputed company 63 AnalogMultimeter (Mirror Scale, Inbuilt Buzzer And LED,AC Voltage Range:10V to 1000V, DC Voltage Range: 0.1mV to 1000V), Make: Reputed company 64 3 MHz Function Generator -Counter With Power Supply (3 0.3 Hz to 3 MHz Function Generator,15 MHz Frequency Counter, Waveforms:Sine, Square, Triangle), Make: Reputed company 65 DC Regulated Power Supply (Single Output with Backlit LCD of Variable 0-30V / 0-5A DC), Make: Reputed company 66 Klystron Based Microwave Test Bench (Material: Bass and Aluminium,Frequency: 8.2 to 12.4 GHz), Make: Reputed company 67 Fiber Optic Trainer Kit (Fiberoptic transmitter : 2wavelengths (660nm and 950nm),Fiber optic receiver : 2 types (PIN photo diode, photo transistor - detector ), On-board function generator 1Hz ~ 10KHz), Make: Reputed company 68 Universal Analog Trainer Kit (Power Supply: 230VAC,Frequency: 50-60Hz, Display: Digital) 69 Universal Digital Trainer Kit (Power Supply: 230VAC,Frequency: 50Hz, Display: Digital) 70 Relative density of sand by specific gr. Bottle HYDROSTATIC BALANCE: Capacity 250g and sensitivity 1 mg, body made of teak, wood, made of brass with others accessories (for the determination of specific gravity expt.). STD. WEIGHT BOX:Chrome Plated Brass weightsin box, containing from 1mg to100g (grade “A”) ISI Standard . Make: ISO 9001-2008 certified Co. and tested at NABL Accredited Lab. - 4 Nos. BEAKER, 150 ml capacity, borosil. - 5 Nos. BEAKER, 100 ml capacity, borosil. - 5 Nos. SPECIFIC GRAVITY BOTTLE, 50 ml capacity. - 20 Nos. Wooden Bridge ( teak wood made). - 5 Nos.
