Answer / rajeev

Because inverter oprates on dc

Answer / poonga

T/F losses depend on core and copper not on power factor .this is reason why it is being mentioned in KVA

Answer / prapulla

Transformer works under ac supply.so it depends on power factor also.where in case of machines working under dc supply, there is no pf.

why frequency meter is connected in parallel in a circuit?

1 Answers   University of Engineering and Technology,

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For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?

0 Answers  

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what r PID controllers?why they r used?what is there purpose?plz Explain in detail

0 Answers  

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My load is 15 kw,i want to improve power factor from 0.8 to 0.9,how select capacitor

2 Answers   RIB Software, TATA,

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Explain what happens to the speed of a series motor as the load decreases

1 Answers  

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how to calculate overall efficiency of diesel generator set? give us a formula with an example.

2 Answers  

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In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.

0 Answers  

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why transformer rating is in KVA?

4 Answers   ABB,

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Is motorized MCCB required rotatory handle

1 Answers  

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why shunt capacitor is connected

1 Answers  

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Is there any calculation to find unknwon(unferroled) phases R Y B in alternator,3 phase motor anybody shoot my problem. how can we notice this is the respective phase?

3 Answers  

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what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?

0 Answers   HAL,

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