Answer / mzechlin

A typographical error; "Shop" testing should be correct.
It is the testing of equipment in the workshop under
controlled conditions usually using standard references.

Answer / ravi

Is it optical shop testing????r wt???????????/

WHat is the requirement of installing FAST ACTING EARTH SWITCH in GIS and how is that integrated with protection system. How and when does it operate?

0 Answers  

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why free wheeling diode is connected across inductive load

16 Answers   NTPC, Omaxe, Wipro,

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Why the magneti fields are not passes from southpole to north pole

0 Answers   SGML,

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The initial current is very large at the time of starting for almost all DC motors. SO WE USE STARTER FOR A SAFE STARTING but at our homes we don’t see any starters in our coolers, motors.WHY DON’T WE NEED STARTERS FOR THESE APPLIANCES?

1 Answers  

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can a 50 Hz transformer work satisfactorily if placed under 60 Hz,what are the prices and losses that will arise

5 Answers  

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To test Transformer we give HT side 440V to see wheather that it is producing 17.6V on LT to verify Voltage ratio is correct or not but when we give the 440V voltage to LT side then what will happen to HT voltage ?

3 Answers   Aditya Birla,

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what is power factor? how can we correction the power factor if this is high or low? If anyone know please please send the answer on my email id ( kumarkirshan@in.com )

5 Answers  

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How many types of losses occur in a transformer?

0 Answers  

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i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?

0 Answers  

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Why 11KV PT Secondaries [(11000/1.732)/(110/1.732)/ (110 / 3)]are in star connection ? And why the same should not be in delta ?

1 Answers  

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What is meant by single line diagram?

2 Answers  

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Why open circuit test of transformers is conducted at rated voltage??Why not any other voltage??

0 Answers  

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