how many earthing should need for UPS, where its connected

7 Answers   HCL,

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What is a parabolic signal?

0 Answers  

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In 3 phase induction motor even with low Voltage it reaches nearly it's rated speed why? (for example instead of 400V it reaches with 250V)

2 Answers  

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What does substation operator do in substation?

2 Answers   ABB,

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Can we pass 11kv power in 1.1kV voltage grade cable.If not why?.

3 Answers  

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what is meant by power and distribution transformer ?

0 Answers   CG,

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What are the advantages of D.O.L Starter in 3 phase induction motor?

4 Answers  

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What is phase cross over frequency?

0 Answers  

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A generating system will have a total capacity of 300 MW. Find the probable forced outage when the capacity is supplied by two 150 MW units. The operating probability of all units is P=0.98 and forced outage probability rate Q =0.02 .

0 Answers   BUET, VECL,

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Reason of secondary of ct always short

5 Answers   ANITS, EID Parry,

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What are the usege & different between UPS & batteries with charging system in in Substation?( UPS 120V AC & battery charger is 120v DC)

1 Answers  

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How ships are protected from lightning?

1 Answers  

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