Fail safe terminology

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Pal

Can anybody explain what is meaning fail safe start command to DG set?

The DG set is connected to EMCC (Emergency switchboards). EMCC has two Incomers, Incomer -1 as normal incomer & Incomer-2 Emergency (DG-set) in normal case

1) When there is power fail-

Start command is generated at EMCC (By monitoring Line & Bus voltage) & given to DG set (AMF panel) which in turn give Engine start command. After voltage built up Automatic forward transfer happens (Transfer of loads on DG).

regards
pal
 
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