what is the working of ups.

7 Answers  

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How to calculate VCB rating for 33KV ,25 MW Power line?

0 Answers  

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what is the purpose of vector group in a transformer ? if 2 tranaformers r connected in parallel the vector group is same or not? for parallel operation 2 transformers of different manufacturers maintain same vector group or not?

3 Answers   Orchid,

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What is an Automatic Voltage Regultor & what is its use? What are the general componets we use to design an Automatic Voltage Regulator..What are the factors to be considered for its design?

3 Answers  

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1.Why hydrogen used for cooling in generators 2.Why electrical equipment protected by ground 3.Why earthing for transmission line 4.What is rms value of half wave rectified square wave. If Rms value of actual wave 2amps.

1 Answers   Power Grid,

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what is dc transformer? how it work?

15 Answers  

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why the earth terminal of the three pin plug we are using bigger than the others?

2 Answers  

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what is the use of neutral?

14 Answers   IOCL,

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why HV test for cables?.why 0.7times?

1 Answers   Bosch, Prince Food Products,

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How to design inductive load for 3 phase 440v and maximum 5 amps for star or delta? Can we use a 15kW, 1450rpm motor for 15kW, 960rpm apllication?If yes.how......n.if thesame motor used what`s it`s sideeefect.

0 Answers  

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What is meant by RCCB

3 Answers  

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How do you commission a power Transformer?

1 Answers   EEI,

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