What does substation operator do in substation?

2 Answers   ABB,

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What happens with squirrel induction machines if the ends of rotor conductors are kept open? Explain

5 Answers  

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EXPLAIN WORKING PRINCIPLE OF ALTERNATOR & MOTORS.

2 Answers   L&T,

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There are two nos of 33Kv/11Kv 5MVA transformers conecting through HT cable from substation having metering at substation itself.One transformer used at a time another remains stand by.Further 11 nos of 11Kv/440V transformers are attached on it and each transformer is having its own Power factor correction panel.Now one 33/11Kv transformer at no load condition/Stand by condition is having power factor in leading side upto 0.21 and while when another tranformer at same situation have power factor in lagging 0.42. Now one thing is clear that transformer one is having 1.5 Km long 33kv cable due to that PF goes in leading side and another is having only 250 mtr length remains him lagging. Now i want to know that how i can maintain the Power factor at no load/ stand by position though both are behaving in seperate manner.

1 Answers  

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I had finished D.E.E.E at 2004,I wish to take C license.I am working pvt company HT supply but my professional certificate was missing.I have diploma & course completed certificate.without professinel may I got c license?.pls guide me.

1 Answers   OEG,

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what is humming AC solenoid

2 Answers   Seagate,

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name the types of insulatter?

5 Answers  

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why capacitor bank is not used in generator power

7 Answers   Caterpillar,

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what is the meaning of insulation level?

2 Answers  

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Is it necessary to carry out sheath test after cable jointing? If the value is zero of such instance , is it ok to energize the cable?

1 Answers  

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sir pls send the je exam - 2008 and other model question papers..

0 Answers  

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salam, hi, how to calculate british temperature unit (B.T.U)?

1 Answers  

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