Answer / k.prakashchandra

Witout voltage input ,you can not measure watts.In EM
meter, the connections to pressure coils are made inside
the meter.In case of electronic meter, there are voltage
sensors (divider) instead of coils.

What are the three types of compensators?

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definition of transponder?

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is high voltage or high current is danger

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in star delta starter current is 1/3times the delta value how?

2 Answers  

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1. If we apply dc supply to the primary winding of transformer it will be burnt out. similarly dc supply is given to field winding of syn. motor and armature winding of dc motor, they are safe. (Remember both windings inductive nature) what is the reason behind that?

2 Answers  

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diff between grounding & earthing

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how to find the voltage drop

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can we install HT panel & LT panel side by side or how much clearance is required ?

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which motor is used in mixies

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Which of the following can be operated at higher frequencies ? -SCR -MOSFET -IGBT

4 Answers  

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Why Two Transformers aside shoud be supperated by concreted wall?

5 Answers  

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why contactor not provided between output of VFD and motor?

6 Answers   Siemens,

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