NIT NO. 24 ITEM NO. 30

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, 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 aluminium 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 , control voltage of APFC relay is 230 V and CT secondary ration is 5A -make STANDARD

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

Supply of LED type Indication lights of various colours for indication of status of capacitor banks in replacement of defective lights- make FTC/Standard

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

Supply of TP MCCB 125 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 , Decarbonising 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, luge, 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. Setting of APFC relay in APFC panel for achieving target power factor iv. Earthing check to ensure proper earthing of equipment for safety v Monitoring of power factor as per specified parameters

B. RENOVATION OF PANEL FOR FIXEDCAPACITORS OF MOTORS Supply of Fixed Capacitor panel, made out of 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 compartmentalised for capacitors and switching MCCBs . The panel will be complete with cable alley for outgoing cable to the motors , TP aluminium bus bar links for interconnection and aluminium earth bus bar. The panel will be painted with in Siemens Grey shade. Cooling fans with protective MCB will be provided for effective cooling of the panel - make of panel - Standard

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

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

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 Dismantling of defective components like capacitors, MCBs from static capacitor banks of transformers including dismantling of terminations, wirings , hardware , 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

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

Installation, of all components of static capacitor bank and termination of incoming/outgoing connections with copper wires, luge, 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 static capacitor banks with continuity test as per all relevant standards including insulation test of all capacitors between phases, and phases to neutral and phases to earth.

Premier Engineering Company