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State the function of following auxiliaries used in electric locomotive, i) Batteries ii ) Compressor iii ) Blower iv ) Exhauster 

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Ans: 1) Batteries – supply to run baby compressor which supplies air for initial raising of pantograph and closing of air blast circuit breaker. 2) Compressor – supply air for operation, control and application of brakes. 3) Blowers – cooling purpose as transformer blower, reactor blower, SCR blower, traction motor blower etc. 4) Exhausters – for vacuum brakes.

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