avr is an automayic voltage regulator ... it regulates voltage before it synchronise with grid after synchronisation it regulates power factor why....

7 Answers  

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Why the brushes used in dc machines are made of carbon not from other metal?

2 Answers  

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Why secondary of a CT in a power system acts as an open circuit after core saturation?

2 Answers  

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why it is in star to delta form of Synchrounus generator and delta to star form of Generator Transformer (or step up transformer)

1 Answers  

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when we put inducter in neuteral grounding of genrator.

3 Answers  

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In 3phase supply Voltage will come around 370v then what will happen?(mean what will effect on electrical equipment like AC,UPS,Motors.)

1 Answers   NTPC,

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diagram for soft stater ?

3 Answers  

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what is the safty of poly phase tranformer?

0 Answers   Adani,

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What is the maximum percentage voltage drop (vd%)for a motor control center

0 Answers  

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Mention what are the different colors on wires indicates?

0 Answers  

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. What should be the minimum and maximum ohmic value for earthing?

1 Answers  

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how to calculate the earth mat design in 132 kv substation yard ????

0 Answers   Divis Laboratories, KSEB, SWPL,

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