NIT NO.6(M-3)ITEM NO.25

A. RENOVATION OF APFC PANELS Dismantling of defective components of APFC panel such as capacitors, Contactors, MCCB, MCB , indication lights, APFC relays including dismantling of incoming, outgoing terminations and hardware etc.

Supply of Heavy duty capacitors of various capacities, rated at 440V, 3ph, 50 Hz, complete with terminal cover and discharge device for replacement against defective capacitors in APFC panel. Make - TDK (EPCOS)

Banking of capacitors of various ratings using necessary aluminum links/ multistrand copper wires and necessary hardware etc. to form capacitor banks of suitable rating as per requirement of individual stage to avoid frequent switching of capacitor banks and increase life of capacitors by reducing switching operations

Supply of microprocessor based APFC relay with digital display of power factor and other parameters for replacement of defective APFC relay of capacitor panel having 12 Steps for giving signal to contactor coils for switching ON and OFF required number of capacitor banks of suitable rating to achieve target power factor , control voltage of APFC relay is 230 V and CT secondary ration is 5A. Make - TDK (EPCOS)

Supply of capacitor duty contactors for 20 KVAr capacitors in replacement of defective contactors for switching of capacitor bank on receipt of signal from APFC relay. Make - L&T/Schneider/Havells

Supply of LED type Indication lights of various colors for indication of status of capacitor banks in replacement of defective lights. Make - FTC/Standard/L&T

Supply of TP MCB up to 32 A rating for replacement of defective MCB for protection of capacitor bank in each stage in APFC panel. Make - L&T/GE/Schneider

Supply of TP MCB up to 63 A rating for replacement of defective MCB for protection of capacitor bank in each stage in APFC panel. Make - L&T/GE/Schneider

Servicing of APFC panels including complete dusting of the panel, cleaning of contact points, decarbonizing of joints, alignment of doors, checking of all nuts & bolts. Control circuit and power circuit wiring dressing and renovation of control and power terminations with lugs tapes etc. as required at site

Installation of all components and termination of incoming/outgoing connections with copper wires, lugs, tapes etc. and using necessary hardware for proper fitment of all components to ensure compatibility with the existing components and available space as required at site

Testing & commissioning of APFC panel and fixed capacitor banks per required parameters including following: i. Continuity check of all components, wiring and terminations ii. Meggering of all equipment for phase to phase, Phase to neutral and phase to earth. iii. Programming of APFC relay in APFC panel for achieving target power factor iv. Earthing check to ensure proper earthling of equipment for safety v Monitoring of power factor as per specified parameters

B. S.I.T.C OF PANEL FOR FIXEDCAPACITORS OF MOTORS Supply of Fixed Capacitor panel, made from 14/16 SWG sheet steel panel for housing 5 nos. capacitor banks of 75 kVAr, self-standing type with base channel, chemically treated against rust and corrosion and compartmentalized for capacitors and switching MCCBs. The panel will be complete with cable alley for outgoing cable to the motors for interconnection and earth bus bar. The panel will be painted with Siemens Grey shade. Cooling fans with protective MCB will be provided for effective cooling of the panel. - make of panel STANDARD

Supply of TP aluminum bus bars links complete with mounting insulators, PVC heat shrinkable covering sleeves in red, blue and yellow color as per standard practice and necessary hardware as required.

Complete power wiring for electrical interconnection of capacitor banks and MCCBs with multistrand copper wire of various capacities using lugs, tapes, cleats etc. as required and dressing of the wires with ties to hold the same in place for neatness and safety of the equipment as required

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 Heavy duty capacitors of various capacities, rated at 440V, 3 ph, 50 Hz, complete with terminal cover and discharge device for replacement against defective capacitors in APFC panel- make Standard

Banking of capacitors of various ratings using necessary aluminum links/ multistrand copper wires and necessary hardware etc. to form capacitor banks of suitable rating as per requirement of individual stage

Supply of 250A , triple pole MCCB for protection of capacitor bank in each stage- make L&T/Schneider

Supply of Spreader Link for MCCB of 250 A capacity for providing suitable gap between live parts - Make L&T/Schneider/Havells

Supply of Handle for MCCB of 250 A capacity for operational ease of switching MCCB - Make L&T/Schneider/Havells

Supply of 400A , triple pole MCCB for protection of capacitor bank in each stage - make L&T/Schneider

Supply of Spreader Link for MCCB of 400 A capacity for op for providing suitable gap between live parts - Make L&T/Schneider/Havells

Supply of Handle for MCCB of 400 A capacity for operational ease of switching - Make L&T/Schneider/Havells

Supply of Indication lights with single phase MCB for protection of lights for ON indication of capacitor banks

Supply of 300 mm sq. 1.1 kV grade , 3.5 core aluminum armored cable make Paragon, Havells, KEI or any other ISI marked

Laying of 300 mm sq. cable on the ground using necessary hardware clamps etc. as required at site.

Termination of 95 mm sq. aluminum armored cable using brass compression glands, lugs , tapes etc. as required at site.

Installation of capacitor banks and MCCBs in the panel using necessary hardware , including their terminations with existing cables with brass compression glands, lugs, tapes etc. as required at site

Testing & commissioning of fixed capacitor banks as per all relevant standards including continuity test, insulation test of all capacitors between phases, and phases to neutral and phases to earth.

C. RENOVATION OF STATIC CAPACITOR BANKS OF TRANSFORMERS Supply of sheet steel enclosure panel made out of 16 SWG sheet steel for housing 2 sets of Capacitor banks (Total 60 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 : Epcos

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

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

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

Supply of Indication lights of various colors to indicate status of capacitor bank Make: FTC/Standard/Teknik

Supply of 50 sq. mm, 3.5, 1.1 kV grade core aluminum armored cable for connection of static capacitor banks. Make- Polycab/Havells/KEI or any other ISI marked

Laying of 50 sq. mm. 3.5 core aluminum armored cable for static capacitor bank.

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

Testing and commissioning of 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.

bhawani electrical system