Annual Maintenance contract of 02 nos. 33KV HT Automatic Voltage Regulator (HT AVR) installed at Goa Airport

Amount

Annual maintenance contract of 2 nos., 33KV HT Automatic Voltage Regulator (HT AVR) of 5000 KVA,3 phase, 50Hz AC capacity having an input voltage range from 27KV to 35KV and stabilized output voltage of 33KV +/- 1%, 3 phase, 50Hz AC including all accessories and protection devices including earthing terminals, drain valve, oil level indicator, conservator, explosion vent, buchholz relay, dial type temperature indicator etc. and including regular visit and breakdown call/visit within 48 hrs etc. as required as per instruction of Engineer-In-charge.

Supply of Spares etc. as follows as required time to time as per instruction of Engineer In-charge:-

PCB 1002/3 relay

Flip flop circuit

40 kg TOURQ, Step sys. Motor with gear, sprocket, resistance, capacitor etc. complete accessories as required

Power contactor, 800 Amps, 240V AC (Make: ABB or equivalent)

B4C limit switch

100/12 Balancer core & coil assembly

200/12 Balancer core & coil assembly

240 Volt, AC, Single phase auxiliary contactor (NCC)

240 Volt, AC, Single phase auxiliary contactor (RCC)

240 Volt, AC, Single phase auxiliary contactor (CFF)

240 Volt, AC, Single phase auxiliary contactor (CFL)

240 Volt, AC, Single phase auxiliary contactor (CM)

240 Volt, AC, Single phase auxiliary contactor (CC)

240 Volt, AC, Single phase auxiliary contactor (AC)

110 Volt, AC, Single phase auxiliary contactor (CLS)

240 Volt, AC, Single phase cutler hammer Timmer (0 to 60 sec)

Onetime repair & commissioning of 2nos, 33KV HT AVR including servicing/replacement of carbon roller assembly, B4C tag, limit switches, tail assembly with sleevings, HT bushings complete set, oil temperature indicator,33KV PTs and CTs, top up of transformer oil etc. to make the AVR completely serviceable, as required as per the instruction of Engineer In-charge

MAHADEV ENTERPRISE