For refrigerators the motor current is raised beyond its rating on both conditions when the voltage of the system is more(say 270v) than the rated voltage(220v) as well as when the voltage of system is less(say 160v) than normal voltageof 220v, why explain?

0 Answers   Electrical Tech, UPSE,

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How would you relate your key competencies to this position?

0 Answers  

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How do you calculate of power factor, if it is lagging or leading for unit(1).

4 Answers  

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what is the ground fault relay,which purpose it will be use,clearly tell me plz

0 Answers  

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Current Transformer's star point must face the protected object for the relay operation?

2 Answers   Siemens,

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According to ohms law voltage proportional to current, then why should current rating is low with high voltage rating in transformer?

5 Answers   KEC,

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Why do you get a typical sound when the transformer is put into operation?

4 Answers   IIT,

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IF we have 500kva transformer & know the current on HT & LT side, how can we consider for its breaker?

5 Answers  

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Why double earthing is required ?

1 Answers  

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what is the difference between relay, contactor

4 Answers   BRSS, Vishay Intertechnology,

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How to select the Cable size for 550 Amps Load without seeing the cable Catalogue?

8 Answers   Nesma,

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An ISP is granted a block of addresses starting with 150.80.0.0/16. The ISP wants to distribute these blocks to 2600 customers as follows. a) 200 medium size businesses; each needs 16 addresses b) 400 small businesses; each needs 8 addresses c) 2000 households; each needs 4 addresses Design the subblocks and give the slash notation for each subblock. Find out how many addresses are still available after these allocations.

0 Answers   UOG,

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