Answer / ruben

UPS has internal bypass and used if in case there is some
problem within the UPS, ie. overload. the load will be
automatically fed from the bypass circuit. the maintenance
bypass is an external circuit or feeder that is use to feed
the load (bypassing the UPS). this will allow the user to
remove completely remove the UPS from the network/system for
maintenance or replacement.

Why the standard of ambient teperature mentioned as 40 degree celcius in machines.

0 Answers  

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Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise,give with best examples.... please help me in this regards....

1 Answers   Modi Builders,

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why we are using DC supply for all protection relays, why cant we use AC supply..???

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whether the generating voltage can be made to be transmitted by means of signals to the recieved end or at the consumers end?

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tell how current tranfomer works

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Testing procedure of DG alternator stability test

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What is the mechanism of WTI

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how can we rotate a single phase motor (without cap.)in reverse direction?

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what are d/f between cfl and pl lamps,

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Which are the types of breakers used in High Tension (HT) side?

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R=*¶ l/a

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how is the leakage current flow only through guard wire (when guard wire is connected in the circuit)????

2 Answers  

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