NITNo17ItemNo6

Renovation of existing 250 KVAr Capacity Standard make APFC Panel by carrying out the following works: Dismantling of defective capacitor units from the APFC Panel after suitably discharging the left-over charge on capacitors to ensure safety of the working persons along with dismantling of APFC relay, indications lights , meters, A/M switches, MCBs including dismantling of terminations and existing hardware and rusted parts and various other items requiring change in the panel as required at site.

Supply of MOC-25 A, triple pole Contactor model MOC-25 of L&T make or equivalent item of Schneider, Havells make to replace defective Contactor in the APFC Panel.

Supply of APFC relay, microprocessor based to replace defective APFC relay with digital display of power factor and other parameters to sense power factor through control CT and give phased impulses to contactor coils for switching ON-OFF required number of capacitors as per requirement to achieve target power factor. Make : Standard

Supply of capacitor units of various capacities, rated at 440V, 3 Phase, 50 Hz system complete with terminal cover, cable end entry, mounting structure and hardware etc. Make: Standard

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 triple pole MCB up to 63 A to replace defective MCB in the capacitor panel. Make : L&T/Schneider/Havells

Supply of LED indication lights of various colors to replace defective/ burnt out lights. Make : Standard / FTC

Fixing of all above components in the APFC panel with suitable fabrication work to accommodate new items in the existing feeders for alignment of components and ease of termination complete with hardware etc. as required at site

Testing & commissioning of APFC panel as per required parameters including following 1. Continuity and earth test, 2. Programming of APFC relay for target power factor 3. Meggering of all equipments for phase to phase and phase to earth. 4. Checking of tightness of all nut and bolts 5. Monitoring of power factor

S.I.T.C. of 250 KVAr APFC Panel for the Second Transformer Supply of STANDARD make, 12 stage 250 KVAr APFC Panel, cubicle type, made out of 14/16 SWG-sheet steel, dust & vermin protected, suitably ventilated for cooling, complete with power & control wiring with multistrand copper wire , duly powder coated with Siemens grey shade RAL 7032 and consisting of following switchgears: (DJB SOR 2022: Code No 14.1.15) 01. Incomer 630 A, TP, MCCB: 01 No 02. RYB indication lights: 01 Set 03. 0-500 A Ammeter with ASS and CT: 01 Set 04. 0-500 V voltmeter with VSS: 01 Set 05. 600 A TP aluminum bus bars with neutral link for control circuit 06. 12 stage microprocessor based APFC relay: 01 No. 07. MPP type capacitors, 440V, 3 Phase : 250 KVAr 08. Capacitor duty contactors as per KVAr rating: 10 No 09. Stage protection MCB- of suitable rating: 10 No 10. Stage ON indication lights: 10 No 11. Cooling fans with MCB: 02 No

Installation of APFC panel on ground with necessary civil work, if required including grouting of the panel in the ground with suitable nut and bolts and vertical alignment of the panel in line with the existing panels for uniformity and ease of installation and operation as required at site

Supply of 3.5 Core 400 Sq mm armored aluminium conductor PVC insulated and PVC sheathed / XLPE cable for working voltage upto1.1 KV. Make: - Gloster/ ICL/ ICC/ Universal/ CCI/ Havells/ Grandly. The Job also includes Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing masonry open duct as required. Above 185 sqmm and upto 400 sqmm (DJB SOR 2022: Code No 37.6.4)

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. (DJB SOR 2022: Code No 39.1.31)

Supply & Fixing of control CT 400 / 5A in the main bus bar for sensing of power factor and providing signals to the APFC relay for switching ON the capacitor units as per requirement

Supply & Laying of 2.5 mm, 2 core, multistrand copper control cable from LT panel to capacitor panel with necessary ferrules and fixing hardware as required at site.

Supply & Fixing of GI strip/wire for double loop earthing of APFC panel using necessary hardware and fasteners on the ground or on the wall as required at site.

Testing & commissioning of APFC panel as per required parameters including following 1. Continuity and earth test, 2. Programming of APFC relay for target power factor 3. Meggering of all equipment for phase to phase and phase to earth. 4. Checking of tightness of all nut and bolts 5. Monitoring of power factor

Renovation of the existing Fixed Capacitor Banks of Transformers by carrying out the following works: Dismantling of defective capacitor units from the capacitor bank after suitably discharging the left-over charge on capacitors to ensure safety of the working persons along with dismantling all components as required at site

Supply of capacitor units of various capacities, rated at 440V, 3 Phase, 50 Hz system complete with terminal cover, cable end entry, mounting structure and hardware etc. Make: Standard

Banking of capacitor units to form banks of suitable rating by electrical interconnection using aluminium bus bars or copper multistrand cables with lugs, tapes etc. to form banks as per requirement of various capacitor banks.

Fixing of all above components in the APFC panel with suitable fabrication work to accommodate new items in the existing feeders for alignment of components and ease of termination complete with hardware etc. as required at site.

Testing & commissioning of fixed capacitor banks of transformer including insulation tests and charging of capacitor banks to ensure their proper functioning

Premier Engineering Company