Main gas and oil actuated 17 relay Auxiliary transformer gas 18 and oil actuated relay Neutral earthing reactor 19 gas and oil actuated relay 20 Pump fail 21 Fan fail 22 Dehydrating breather fail 23 Conservator low oil level Gas-in-oil monitor Stage 24 1 and Stage 2 On-line moisture 25 management faulty SCHEDULE D, PART I (CONTINUED) Item Control, Indication, Alarm If Req Type of Control, If to be Supplied by Operating Supply and Trip Indication, Alarm and the Tenderer Voltage Trip TRIPS Main transformer 26 winding temperature Main transformer oil 27 temperature Tap-changer 28 temperature Main gas and oil 29 actuated relay Tap-changer oil 30 actuated relay Auxiliary transformer 31 gas and oil actuated relay Neutral earthing 32 reactor gas and oil actuated relay
17 Main gas and oil actuated relay 18 Auxiliary transformer gas and oil actuated relay 19 Neutral earthing reactor gas and oil actuated relay 20 Pump fail 21 Fan fail 22 Dehydrating breather fail 23 Conservator low oil level 24 Gas-in-oil monitor Stage 1 and Stage 2 25 On-line moisture management faulty SCHEDULE D, PART I (CONTINUED) Item Control, Indication, Alarm and Trip If Req Type of Control, Indication, Alarm and Trip If to be Supplied by the Tenderer Operating Supply Voltage TRIPS 26 Main transformer winding temperature 27 Main transformer oil temperature 28 Tap-changer temperature 29 Main gas and oil actuated relay 30 Tap-changer oil actuated relay 31 Auxiliary transformer gas and oil actuated relay 32 Neutral earthing reactor gas and oil actuated relay