NIT NO. 7(M-6) ITEM NO. 1

A. IMPROVEMENT OF 2 Nos. APFC PANELS 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 triple pole capacitor duty contactors to replace defective contactors in APFC panel , suitable for 50 KVAr capacitors , make L&T/Schneider/Havells

Supply of triple pole MCB up to 63 A to replace defective MCB in the capacitor panel- make L&T/Schneider/Havells

Supply of triple pole MCB up to 32A to replace defective MCB in the capacitor panel- make L&T/Schneider/Havells

Supply of triple pole MCCB of 125 A capacity for operation and safety of the APFC panel - make L&T/Schneider/Havells

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

Supply of digital volt meter 0-500A to replacement defective ammeter in the capacitor panel. Make : AE/L&T/Havells

Servicing of panels including complete dusting of all components , cleaning of contact point with CTC solution , decarbonising of various joints , tightening of all nuts bolts , sleeving of live parts alignment of doors to prevent ingress of moisture and vermins 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.

Testing & commissioning of APFC panels bank as per required parameters includingfollowing:i. Meggering of all equipments for phase to phase, Phase to neutral and phase to earth. ii. Programming of APFC relays for target powerfactoriii.Allfunctiontests iv. Monitoring of power factor

B. REPAIR OF STATIC CAPACITORS OF TRANSFORMER Checking of capacitors and dismantling of defective capacitors from static capacitor banks including dismantling of terminations, wirings, hardware, as required at site.

Supply of Super Heavy duty capacitors of various capacities rated at 440V, 50 Hz, 3 phase AC complete with terminal cover and discharge device for replacement of defective capacitors of static capacitor banks -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.

Installation & connection of capacitors as described above using necessary hardware, mounting arrangement and termination with multi-strand copper wires, lugs, tapes etc. as required at site.

RP Electricals