how to understand the controling circuits example star- delta-starter controling daigram please let me know

3 Answers   GMR,

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Why we are not placing c.B 's btwn generator and transformer.? what happens when generator gets disconnected from transformer when it is running @ full load?

3 Answers   Areva,

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Dear sir, we are getting voltage fluctuations suddenly for 2 or 3 minutes again it becomes normal. we checked each and every connection some times we are getting 110 volts like that from earth to neutral again it is reducing we are getting supply from 45 kva DG set give earthing properly.

3 Answers   Triveni,

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why inverter rating is in KVA

3 Answers   Alstom, JSW,

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HOW WE CALCULATE CURRENT IF THERE ARE NOT PRESENT ANY AMMETER OR MULTIMMETER??????

0 Answers  

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What do you mean by passive circuit elements and why these are called passive?

0 Answers  

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how to increase the power factor in machines

5 Answers  

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what is the difference b/w winding insulation class and winding temperature class?

6 Answers   Bhel, NDPL, NTPC,

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what is derating factor in Cable ? how we minimise this?

18 Answers   Bhel, College School Exams Tests,

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What aturn on methods of scr?

0 Answers  

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What is LMU and LMDU. in PLCC communication of 132 kv transmission line. is it possible to use only one LMU with out LMDU ?

1 Answers  

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what happens to current , when voltage drops .?

11 Answers  

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