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| 1 | Design,Supply, installation,Testing and commissioning of 22 KV seriesDynamic Hybrid Reactive Power Compensation System (Mini Statcom)350 KVAR for Residential Feeder (where PF is leading upto 0.67) at Substation No 16 of GE CME.Adequate Power Factor Correction (Instantinous and Imbalanced) to be supplied and installed at incomers and Transformers to derive the required rating of Hybrid PFC to improve and maintain the power factor above 0.999 and minimize KVAH, well within the limits as per the MERC Regulations. 22 KV seriesDynamic Hybrid Reactive Power Compensation System (Mini Statcom) suitable for unbalanced loads consist of following:Make: CTR Manufacturing Industries Ltd /ABB/Schneideras approved by GE(Note :-This item is continuedat Sl No.1.01to 1.02 & 2.08 below ) |
| 2 | a) High speed PF Correction Module - 01 Nob) Neutral PF Compensator - 01 Noc) Integration Transformer - 01 No d) CT PT Unit class 0.2 measurement class 50/5 CTR - 01 Noe) Cooling fans - 04 Nosf) Enclosure IP 55 out door - 01 Nog) Vaccume Circuit Breaker - 01 Noh) LED type Indiactors - 12 Nosj) Alarm - 01 No k) Safety door interlocks - 06 Nos l) 22 KV joiting kits outdoor and indoor - 06 Nosm) 22 KV 1 Core 185 Sqmm cable for interconnection of units within the enclosure - 01 lot n) Copper Bus bars - 04 Noso) Display PF - 01 No |
| 3 | Norms and Limit for Power Factor The adequate power factor correction to be installed and to avoid the Leading and Lagging power factor to minimize KVAH to 1% limits as specified below as follows: 1. System shall instantaneously activate shall provide required reactive power once the load starts or respond to the load changes instantaneously. 2. System shall not generate any switiching transients and shall be soft switching type. 3. System shall aslo be capable to inject leading power through Neutral in order to balance the power factor and phase angle too and minimize KVAH at individual phase. |
| 4 | Design,Supply, installation,Testing and commissioning of 22 KV seriesDynamic Hybrid Reactive Power Compensation System (Mini Statcom)425 KVAR for OTM Feeder (where PF is leading upto 0.71) at Substation No 16 of GE CME.Adequate Power Factor Correction (Instantinous and Imbalanced) to be supplied and installed at incomers and Transformers to derive the required rating of Hybrid PFC to improve and maintain the power factor above 0.999 and minimize KVAH, well within the limits as per the MERC Regulations. 22 KV seriesDynamic Hybrid Reactive Power Compensation System (Mini Statcom) suitable for unbalanced loads consist of following: Make: CTR Manufacturing Industries Ltd /ABB/Schneinderas approved by GE(Note :-This item is continuedat Sl No.2.01to 2.08 below ) |
| 5 | a) High speed PF Correction Module - 01 Nob) Neutral PF Compensator - 01 Noc) Integration Transformer - 01 No d) CT PT Unit class 0.2 measurement class 50/5 CTR - 01 No e) Cooling fans - 04 Nos f) Enclosure IP 55 out door - 01 Nog) Vaccume Circuit Breaker - 01 Noh) LED type Indiactors - 12 Nos j) Alams - 01 Nok) Safety door interlocks - 06 Nos l) 22 KV joiting kits outdoor and indoor - 06 Nosm) 22 KV 1 Core 185 Sqmm cable for interconnection of units within the enclosure - 01 lot n) Copper Bus bars - 04 Noso) Display PF - 01 No |
| 6 | Norms and Limit for Power Factor :The adequate power factor correction to be installed and to avoid the Leading and Lagging power factor to minimize KVAH to 1% limits as specified below as follows: 1. System shall instantaneously activate shall provide required reactive power once the load starts or respond to the load changes instantaneously.2. System shall not generate any switiching transients and shall be soft switching type. 3. System shall aslo be capable to inject leading power through Neutral in order to balance the power factor and phase angle too and minimize KVAH at individual phase. |
| 7 | Technical Specification for MINISTATCOM System:(For Item No 1 and 2)a) Mini statcom system shall be of digitally controlled close loop system with 3 CT sensing for load and handle imnbalance and instataneous variations. Mini Statcom shall have high speed soft swtiching arrangement and capacity to withstand the stress oocuring during high speed switching and in turn have better reliability.Mini Statcom design shallbe very compact,energy efficeient to have minimum power loss.Mini Statcom shall respond for load variation very quickly several times and must have capacity to compensate leading power through neutral whenever imbalances occur in the system. |
| 8 | b) System shall be capable to maintain the power factor above 0.999 consistently, and also shall be capable to minimize the difference between KWH and KVAH to minimum @ 0.1 %. |
| 9 | c) Power losses at rated load - In watts < 0.1 % of capacityd) overloading capacity (peak) - 3 times the rated compensation currente) Rated compensation current (phase,neutral) - Neutral compensation should be 2.5 times the phase compensationf) Operating voltage,frequency - 22 KV AC, 50 Hz +/- 3 hzg) Protections - over current, over voltage |
| 10 | (f) Blankg) Protections - over current, over voltageh) Blankj) Adaptivity to load variation - should respond to all load conditionsk) Auto Restart -should restart automatically after power interruptionl) Fault restart - should able to restart automatically after any fault like over current ,high temperature and so on.m) IP/NEMA class - IP 54 or bettern) Ambient Temperature - 50 °C0) Cooling system - natural air coolingp) No derating with respect to temperature.q) human machine interface - keypad,display and light indicationr) CT specification - 50:5 A, of suitable class as per manufacture design s) Cable Entry Cable Type - bottom entry Input/output cable necessary junction boxes,termination,cable lugs,earthing, installation should be as per IE guidelines. |
| 11 | t) Panel specification - Reputed make, outdoor Type, Dip coat-primed, powder-coated in textured RAL 7035, r/h door hinge,fitted single mounting plate and STD gland plate-zinc-plate with proper dust filter, lock arrangement.bottom/top entry through cable double compression gland. outdoor plates,panel should be suitable for outdoor application.Panels shall be relevant IS Standards.u) Adequate Surge protection for power supply - 22 KV and above protection to be designed and installed in the system (applicable area\"s) to avoid the failures due to Surge.v) Bus bar of copper ,suitable SMC/DMC ,36 kAw) Switch gear Details ; Incomer - VCB,3P,50 kA 22 KV with over load, short circuit and earth fault protectioncapacitor switching modules of or suitable power rating Reactor - Copper wound reactor, as per IEC 60076-6 440V, 50 Hz class H, ambient temp up to 50 °C, low loss, with over temp trip connector x) Capacitors - MPP - Heavy Duty Can/Box 690V 3 Ph,Non-PCB PU Resin impregnated Peak Inrush Current 350xlN, temp category up to 60° Cy) No of Steps - As per design with highest step as 50 KVARz) Cables : Appropriate size Indication : Incomer R Y B indicators, Multifunction meter for incomer.All components shall be as relevant IS standards. |
| 12 | NOTE: (For Item No 1 & 2)1. Drawing and plans pertaining to system/sub system design, AC & DC power distribution system, network design & protection system, installation drawings including foundation and mounting arrangement drawings etc should be prepared and submitted to Engineer-in-charge for approval. The work at site shall commence after the design and drawings are approved by Engineer-in-charge.2.The unit rate quoted shall be deemed to include cost of All required civil works (like establishing ducts,cable trays,wall opening, earthing pits etc whatever may be required) in related to logistic, erection and commissiong of Mini Statcom including cabling.3.The unit rate quoted shall be deemed to include cost of complete installation, testing and commissioning of the complete system on site along with maintaining the system for first two years including preventive maintenance and attending emergency call.4. Training shall be given to GE CME Staff on working principle,technology, maintenance and failure trouble shooting of the complete system.5.Capacity andsize of equipments shall be as per manufacturer design. |
| 13 | Dismantling and taking out old unsvearthing and material &labour for earthing using copper earth plate electrode of size 60cm X 60cm X 3.15mm thick buried directly in ground vertically at a depth not less than 2.25 mtr below normal ground level with top edge of earth plate at a depth not less than 1.5 mtr below normal ground level, earth plate surrounded from all sides by 15 cm thick and packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using copperstrip of size 20X3 mm by means of bolts, nuts, check nuts and washers made of GI and protected by light grade 40 mm diagalvanised iron pipe and GI pipe light grade 20mm bore for watering, including funnel, wire mesh, CI pit cover and PCC chamber pit with PCC 1:2:4 type B-2 (including necessary excavation and earth work disposal of surplus soil to a distance not exceeding 50 mtr all as specified and shown on plate No 3 of SSR Part-I2009 |
| 14 | Supply, laying and testing cable XLPE insulated screened PVC bedded, galvanised steel strip/ wire armoured, electric power cables (Heavy Duty) with stranded Aluminium conductor, 22000 V grade of size 3 core 185 Sqmm complete all as specified and directed. |
| 15 | Material and labour for cable end termination, indoor, heatshrinkable type joint complete with jointing material and accessories suitable for 22 KV, 3 core, 120 to 185 Sqmm, XLPE armoured aluminium conductor cable complete all as specified and directed. |
| 16 | S&F Steel work in tubular trusses, purlin, rafter, structural workincluding special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S 1161-1979 grade St.-240 complete all as specified and directed. |
| 17 | M&L preparing New Steel and Iron Surfaces of any descriptions, over10cm in width or girth and applying Two Coats of Synthetic Enamel Paint over a Coat of Red Oxide Zinc Chrome Primer, complete all as specified and as directed. |
| 18 | M&L for pre painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall fixed with self tapping J hooks complete all as specified and directed |
| 19 | M&L for Surface dressing n exc 15 cm deep in Soft/loose soil complete all as specified and directed. |
| 20 | M&L Hardcore of gauge n exc. 63mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface(Broken stone or boulders) complete all as specified and directed. |
| 21 | M&L for 100mm thick PCC1:2:4 type B2, using 40mm graded stone aggregates) as in paving /hardstanding including necessary use and waste of form work(alternate bey) and finish fair, complete all as specified and as directed |
| 22 | M&L for Machine pressed precast concreteinterlocking paver block any shape and size confirming to IS 15658-2006 of 80mm thickness M-40 grade over 25 mm thick sand cusion on laying in floor etc complete all as specified and directed Make: JOHNSON/coral/Terafirma (Sand should to be paid separately) |
| 23 | M&L for Shingle filling in floors or pavings, laid in layers n exc. 15 cm thick, spread, levelled, and blinded with earth and rammed including watering complete all as specified and directed by Engr-in-charge. |
| 24 | Excavating in post holes (or similar holes) each n exc 0.5 cu. m, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm, in soft/loose soil complete all as specified and as directed. |
| 25 | Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for foundation, laying/removing of pipes, etc and getting out in soft and loose soil complete all as specified and directed. |
| 26 | Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for foundation, laying/removing of pipes, etc and getting out in hard and dense soil complete all as specified and directed. |
| 27 | Returning filling in excavated soil in trenches, watering and well ramming in layers not exceeding25 cm complete all as specified and directed. |
| 28 | Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 mabove the starting point complete all as specified and directed. |
| 29 | M & L for dry river sand for cushioning to under ground cables in trenches including spreading levelling hand punning and consolidating complete all as specifed and directed. Note: The punned down thickness of sand only will be measured and paid. |
| 30 | Supply & Laying Reinforced Precast Concrete cable cover ,class EHV,type 1 with peak,size 450mm × 230mm × 50 mm complete all as specified and directed. |
| 31 | M & L for PCC 1:3:6 type C2 using 40 mm graded stone aggregate as in mass filling/foundation of posts etc complete all as specified & directed |
| 32 | M&L for 100mm thick PCC 1:4:8 type B2, using 40mm graded stone aggregates as in sub base complete all as specified and directed |
| 33 | S&F GI tubing 100 mm bore light grade with all fittings for protection of cablelaid in tranches/duct or fixing to wall with suitable size of FI clamp complete all as specified and directed |
