define B types and C types in MCB ?

3 Answers   Bhel,

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Explain Circuit Breaker Trip Characteristics in detail.

0 Answers   L&T,

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Phase control and integral control are used for?

0 Answers   NPCIL,

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3ph motor running with unequal kw and different pf what are the reasons

0 Answers   UltraTech,

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What is the efficiency during maximum power transfer?

0 Answers  

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I have a 5KVA UPS. Total load to be connected almost 3KW. Ordering a battery pack with capacity of 1920VAh. How long will the backup time be?

1 Answers  

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what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?

0 Answers  

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in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer 

0 Answers  

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Draw a SLD of DG distribution up to main LT panel?

0 Answers   HSL, TATA,

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what is the advantage of NiCd battery over Lead acid battery?

1 Answers  

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1.25 kg of hydrogen are burnt with stiochiometric air, the mass of air in kg required is

0 Answers   Caterpillar,

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what is meant by damper winding ?

3 Answers  

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