RMO various E and M services in various Delhi Govt Offices under AE (E) EMSD-III South East Sunlight Colony, New Delhi (Sh Servicing of substation and replacement of relay, contactor, MCCBs etc. at Sub Station

Servicing of 630Amps, 3 Phase, 11 KV, HT VCB, complete with removal from HT panel, opening the required parts for servicing, checking, cleaning, testing & rectification of defects, oiling, greasing of moving gear assembly and arc contacts with CR-2 spray and cadmium solution i/c re-assembling, re-installation in HT panel, re-commissioning etc as reqd.

Servicing of 630/800 Amps capacity, 3phase, 415 Volt withdrawal type MV ACB complete with removal from panel board, opening/ dismantling the required parts for servicing, checking, cleaning, testing & rectification of defects, oiling greasing moving gear assembly and arc contacts with CR-2 spray and cadmium solution & checking & cleaning of LT panel board in respect of each LT breaker by opening of LT panel & CT’s chamber removing the dust with vacuum cleaner, checking, cleaning & decarbonizing the LT panel, fixed contacts of switchgear & CT’s with CTC/ CRC tightening of contacts & joints of bus-bar CT & PT connections, tightening of cable end termination replacement of burnt/ heated thimbles, nuts, bolts, LT tapping i/c testing, commissioning, re-assembling, reinstallation in panel board etc complete as reqd.

Testing and calibration of IDMT relay set having 2 Nos. O/L and one No. earth fault relay installed in the existing HT panel by secondary injection method, cleaning the contacts, resetting with required accuracy complete checking & setting of control wiring i/c refixing of the relay unit etc complete as reqd.

Supplying, Fixing, Testing and Commissioning of IDMT relay set having 2 Nos. O/L and one No. earth fault relay installed in the existing HT panel by secondary injection method, cleaning the contacts, resetting with required accuracy complete checking & setting of control wiring i/c refixing of the relay unit etc complete as reqd.

Serviceing and cleaning of LT panel, AMF panel, emergency panel, capacitor panel i/c MCCB, busbar, cable termination complete etc as reqd.

Providing and fixing 400-420 Amp rating 4 pole contactor with 2 NO and 2 NC auxilliary contacts in existing cubicle panel board including drilling holes in cubicle panel, making connections, etc. as required.

Supplying and fixing insulator in existing VCB/HT panel and connect properly to VCB etc complete as reqd.

Supplying and fixing vacuum interrupter in existing VCB/HT panel and connect properly to VCB etc complete as reqd.

supplying and making indoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required:a) 240 sq. mm

Supplying Installation Testing and Commissioing indication lamp complete as reqd.

Servicing of dry type 11KV HT transformer : visual/Thermographic inspection of dry type transformer for any anormality. Air inlet / outlet abnormal overheating of HT/LT connections. Cleaning of cooling air channels. Air circulation ducts with help of vaccum cleaner/air blower. proper cleaning around terminals/isolators by dry/ clean cloth mosturized with ammonia/CRC. measurement of IR values parameters with the 5KV megger. tightening / checking of horizontal / vertical the bars. outer & inner nuts/earthing / retightening of all electrical connections etc as reqd.

Dehydration and filtration of Transformer oil to bring the die- electric strength upto 50KV/min & submission of test reports before and after dehyderation of oil as recommended as reqd.

Supply and filling of transformer oil in the existing transformer for topping / replacement i/c testing of die electric strength of transformer oil after filling, complete as reqd.

Providing and fixing following rating and breaking capacity and pole MCCB with thermomagnetic release and terminal spreaders in existing cubicle panel board including drilling holes in cubicle panel, making connections, Ics=100% Icu and Operational Voltage 690V etc. as required.a) 250 A, 25 KA,TPMCCB

b) 125 A, 16 KA,TPMCCB

c) 100 A, 16 KA,TPMCCB

Supplying and Laying of 3 x 240sqmm HT PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size in the existing masonry open duct as required.

Servicing and following testing of 400/500KVA transformer (a) Measurement of voltage ratio test. (b) Measurement of insulation resistance test & PI (c) Checking of polarity and vector relationship. (d) Measurement of winding resistance. (f) Magnetic balance test & measurement of magnetizing current at low voltage i/c minor defective parts replace etc as reqd.

Credit Material a) Assorted relays

c) Assorted MCCB

d) Assorted cable

e) Assorted contactor

f) Assorted interrupter