NIT NO.23(M-3)ITEM NO.7

Dismantling of defective component of APFC panels such as capacitors, relays, lights, contactors including dismantling of incoming and outgoing connection etc. as required at site.

Supply of Super Heavy duty Round type capacitors of various capacities rated at 440V, 50 Hz, 3 phase AC , complete with terminal cover and discharge device -make standard

Banking of capacitor units to form banks of suitable capacity by electrical interconnection with multi-strand copper wires/Al. bus bars using necessary mountings and hardware , etc. as required at site

Supply of triple pole capacitor duty contactors to replace defective contactors in APFC panel , suitable for 25 KVAr capacitors , make L&T/Schneider/Havells

Supply of Harmonic Filter Reactor - 50KVAr to replace defective reactor in APFC panel. Make EPCOS/STANDARD

Supply of Harmonic Filter Reactor - 25KVAr to replace defective reactor in APFC panel. Make EPCOS/STANDARD

Supply of Harmonic Filter Reactor - 10KVAr to replace defective reactor in APFC panel. Make EPCOS/STANDARD

Supply of Harmonic Filter Reactor - 5KVAr to replace defective reactor in APFC panel. Make EPCOS/STANDARD

Supply of microprocessor based APFC relay with digital display of power factor and other parameters for sensing power factor and giving phased impulses to contactor coils for switching ON-OFF required no. of capacitors on receiving signals from Control CT in the main line- make Standard

Supply of LED indication light of various colours to replace defective lights in various stages of capacitor panel - Make : FTC/standard

Servicing of panels including complete dusting of all components,cleaning of contact point with CTC solution,decarbonising of various joints , tightening of allnut bolts , sleeving of live parts alignment of doors to prevent ingress of moisture and vermin’s and touching of rusted parts of the panels etc. as required at site.

Installation of all above components in the existing capacitor banks with suitable fabrication work to accommodate new items in the existing enclosure / structure for alignment of components and ease of termination complete with hardware on the mounting structure and termination of existing cables with lugs, tapes etc. complete with earthing of the capacitor banks , touching the rusted parts of the structure with paint for protection from moisture etc. as required at site.

B. LT CONNECTION FOR MOTORS OF 75 KW x 2Supply of 100 kVAr, 440V, 3 ph., 50 Hz, APFC panel suitable for power factor improvement of inductive load make standard

Transportation of the panel at site and installation of the same on the ground with necessary hardware and civil work etc as required at site

Supply of 185 mm sq. 1.1 kV grade , 3.5 core aluminium armoured cable make Paragon, Havells, KEI or any other ISI marked

Laying of 185 mm sq. cable on the ground using necessary hardware clamps etc. as required at site

Termination of 185 mm sq. aluminium armoured cable using brass compression glands, lugs , tapes etc. as required at site

Supply and installation of 200/5 A Control CT after dismantling of main bus bars, fixing of CT in the bus bar with necessary hardware and re-fixing of bus bars as required at site- make AE/Kappa/Eqv.

Supply , laying and termination of 2 core, 2.5 mm sq. copper control cable from Control CT to capacitor panel on ground/wall etc. as required at site

Supply , laying and fixing of double run 25x3 mm GI strip for earthing of panel from main earthing to capacitor panel using necessary hardware etc. as required at site

Testing &Commissioning of APFC panel including 1. Megger testing of complete equipment from phase to phase , phase to neutral and phase to earth 2. Programming of APFC relay for target power factor 3. Checking tightness of all nuts and bolts 4. monitoring of power factor during guarantee period

C. SITC OF STATIC CAPACITORS BANK FOR TRANSFORMER Supply of sheet steel enclosure panel made out of 16 SWG sheet steel for housing 4 nos. Capacitors (Total 50 KVAr), MCBs and indication lights for no-load compensation of transformers, complete with electrical inter-connections, bus bar duly painted in Siemens Gray shade with anti-rusting coating to ensure rust free long life operation. Make : Standard

Supply of super heavy duty capacitors of various capacities rated at 440V 50Hz 3Ph MPP type, complete with terminal cover and discharge device and suitable clamping arrangement to keep location of the capacitor unit with gap for necessary ventilation space for cooling of capacitors to ensure longer life. Make : Standard

Supply of 100A MCCB as incomer of static capacitor bank panel. Make : L&T

Supply of TP MCB up to 32A for protection of capacitors unit in various stage. Make : L&T

Supply of Indication lights of various colours to indicate status of capacitor bank in replacement of defective lights. Make : FTC

Supply of 70 sq mm, 3.5 core aluminium armoured cable for connection of static capacitor banks.

Laying of 70sq mm. 3.5, core aluminium armored cable for static capacitor bank.

Installation of static capacitor bank inlcuding laying and termination of cables with brass compression gland and earthing of the panels with GI strip/wire etc. As required at site.

Tesing and commissioning of APFC panel and static capacitor panels as per required parameters including following: i. Continuity earth test.ii. Meggering of all equipment for phase to phase, phase to neutral and phase to earth. iii. Setting of APFC relay for target power factor. iv. Monitoring of capacitor installation to achieve target power factor as per specified parameters.

Premier Engineering Company