EXPLAIN THE TRANSFORMER MAINTENANCE?

0 Answers   Enercon, ERT, GEL,

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can any one help me for my ups inter view , list out few basic technical ups question with answer.

1 Answers  

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What are the reason of unbalanced secondary voltage of HT transformer 33kv/6.6kv ? Incomming voltage is balanced.33kv each secondary voltage 6.6 kv 6.4 kv 6.4 kv At no load conditions.

1 Answers  

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What are the types of windings according to the construction?

0 Answers  

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WHY R USE IN BRUSH IN THE MOTOR?

6 Answers   L&T,

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how calculated Transformer losses.

0 Answers  

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What is class 2 coordination ?

2 Answers  

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why we cant use AC supply products in DC supply?

21 Answers  

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what is consequences of neutral and earth connect?

0 Answers  

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7. A resistance of 30 ohm is connected across 240v supply. If a resistance R ohm is connected in parallel with 30ohm resistor across the same supply, the current drawn becomes triple of original one The unknown resistor R is

2 Answers  

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1.After synchronising the alternator to the grid,how we r delivering power to the grid?if the i/p increases does the speed hence frequency increases? 2.y the power factor is changing when exitation changes?what is the relation with p.f and flux?

4 Answers   BSNL,

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Conventionally, capacitors are considered to generate reactive power and inductors to consume it,how??????

1 Answers  

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