Answer / v.venkata ramana

servo motors mainly two types
A) A.C Servo motor
B) D.C Servo motor

What are dependent sources?

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1.two coupled coils with L1=L2=0.6 H have a coupling coefficient of k=0.8 the turns ratio N1/N2 is......

5 Answers   BSNL, SSC,

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what r the earthing required for commissioning of D.G set?

5 Answers  

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How are calculated the aluminium busbar cross section area?

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type of transformer

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what is apparent poewr, reactive power, & active power?

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Why we transmit the power at the voltage in the multiple of 11 or 1.1 like 11kv, 22kv, 66kv, 132kv...... some one told me that it is due to fomr factor 1.1 of sine wave. its fine but while transforming we can choose any voltage, so why only multiple of 1.1 there also.......? plz tell me.

7 Answers  

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What are the uses of stepper motor?

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In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

1 Answers  

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Why the power factor improvement is so important in industrial loads

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what is the use of back emf?

1 Answers  

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Please explain, how to test vector group of tranformer(Delta y1) . Thank

0 Answers   PGCB,

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