Tender For Supply Of Laboratory Equipment/Kit/Component For Ee Department, coochbehar-West Bengal

Tender For Supply Of Laboratory Equipment/Kit/Component For Ee Department- 1 Equipment & setup required for Electrical Machines I laba. Study of the characteristics of a compound D.C generator (short shunt) [See annexure-1A for detail specification]b. Measurement of the speed of a D.C series motor as a function of load torque [See annexure-1B for detail specification]c. Polarity test on a Single- Phase Transformer [See annexure-1C for detail specification]d. Study of parallel operation of single-phase transformer. [See annexure-1D for detail specification]e. Determination of temperature rise and efficiency of the transformer (back to back test) [See annexure-1E for detail specification]f. Study of three-phase transformer connections. [See annexure-1F for detail specification] 2 Equipment & setup required for Electrical Machines II lab.a. Different method of starting of 3- Phase Sq. cage induction motor & their comparison (DOL starter, Star-Delta Starter, Auto transformer Starter). [See annexure-2A for detail specification]b. Study of Performance of Wound Rotor Induction Motor under load. [See annexure-2B for detail specification]c. Determination of iron loss, friction loss and windage loss of 3-phase induction motor [See annexure-2C for detail specification]d. Speed control of three phase slip ring Induction motor by rotor resistance control. [See annexure-2D for detail specification]e. Determination of regulation of synchronous machine by (i) Potier reactance method.(ii) Synchronous Impedance method. [See annexure-2E for detail specification]f. Determination of equivalent circuit parameters of a single phase Induction motor. [See annexure-2F for detail specification]g. Load test on single phase Induction motor to obtain the performance characteristics. [See annexure-2G for detail specification]h. To determine the Direct axis reactance (Xd) & Quadrature axis reactance (Xq) of three phase synchronous machine by slip test. [See annexure-2H for detail specification]i. Parallel operation of 3 phase Synchronous generators. [See annexure-2I for detail specification]j. V-curve of Synchronous motor. [See annexure-2J for detail specification]k. Load test on wound rotor induction motor to obtain the performance characteristics. [See annexure-2K for detail specification]l. To make a connection diagram of a full pitch & fractional slot winding of an 18 slot Sq. cage induction motor for 6 pole and 4 pole operation. [See annexure-2L for detail specification]m. To study the performance of the Induction generator. [See annexure-2M for detail specification] 3 Equipment & setup required for Power System I lab.a. Study of distribution system by DC network analyzer [See annexure-3A for detail specification]b. Measurement of earth resistance by earth tester [See annexure-3B for detail specification]c. Determination of dielectric strength of insulating oil. [See annexure-3C for detail specification]d. Determination of breakdown strength of solid insulating material [See annexure-3D for detail specification]e. Study of active and reactive power control of alternator. [See annexure-3E for detail specification]f. Determination of dielectric constant, tan delta, resistivity of transformer oil. [See annexure-3F for detail specification] 4 Equipment & setup required for Power System II lab.a. Study on the characteristics of on load time delay relay andoff load time delay relay [See annexure-4A for detail specification]b. Test to find out polarity, ratio and magnetization characteristics of CT and PT [See annexure-4B for detail specification]c. Test to find out characteristics of (a) under voltage relay (b) earth fault relay [See annexure-4C for detail specification]d. Study of different characteristics of over current relay. [See annexure-4D for detail specification] 5 Equipment & setup required for Control System lab.a. Linear System Simulator [See annexure-5A for detail specification] 6 Equipment & setup required for Power Electronics lab.a. Study of different triggering circuits of an SCR [See annexure-6A for detail specification]b. Study of performance of PWM bridge inverter using MOSFET as switch with R and R-L load [See annexure-6B for detail specification]c. Study of firing circuits suitable for triggering SCR in a single phase full controlled bridge [See annexure-6C for detail specification]d. Study of the operation of a single phase full controlled bridge converter with R and R-L load [See annexure-6D for detail specification]e. Study of performance of single phase half controlled symmetrical and asymmetrical bridge converters. [See annexure-6E for detail specification]f. Study of performance of step down chopper with R and R-L load with Digital display. [See annexure-6F for detail specification]g. Study of the characteristics of an SCR.V-I characteristics with digital 3 nos meters [See annexure-6G for detail specification]h. Study of the characteristics of a Triac.V-I characteristics with digital meters. [See annexure-6H for detail specification] 7 Equipment & setup required for Electrical Design lab.a. Design a controller for speed control of DC Machine [See annexure-7A for detail specification]b. Design a heating element with specified wattage, voltage and ambient temperature. [See annexure-7B for detail specification]c. Familiarization of construction of single phase Fand. Design and fabrication of small single phase transformer, 100VA, 220/12 V [See annexure-7C for detail specification]e. Hand held LCR meter – 3 nos [See annexure-7Dfor detail specification]f. AC/DC Clamp Meter- 3nos [See annexure-7E for detail specification]g. Megger- 3 nos. 8 Equipment & setup required for Electrical Drives laba. Study of speed control of Chopper fed DC Drive [See annexure-8A for detail specification]b. Study of speed control of single phase motor using TRIAC & DIAC. [See annexure-8B for detail specification]c. Study of V/f control of 3phase Induction motor drive [See annexure-8C for detail specification]d. Study of speed control of Thysistor controlled DC Drive [See annexure-8D for detail specification]e. Study of PC/PLC based AC/DC motor control operation [See annexure-8E for detail specification] 9 Note:1) All the above rates should be quoted inclusive of all taxes & duties as applicable.2) Total is rounded off to the nearest rupees.

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