Answer / balaji

In squarewave pulse the output contains more ripples.. But
in Pulse width modulation(PWM)the ripples in the output is
very less...

Answer / prava

both magnitude and frequency can be controlled by PWM
technique where as in square wave pulse the magnitude
depends on the input only frequency can be controlled

Is there any Institution (Not AMIE)for giving B-Tech/M-tech in Electrical engineering for those who r in service? Give the details please.

2 Answers  

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what ll happen to current if two phases get short circuited

2 Answers   Kirloskar,

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Why indian power system in 11kv,22kv,33kv,66kv,110kv,220kv ? 2) Why ups required dedicated earth?

8 Answers   Energia, L&T, Sail,

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what is megar testing

4 Answers   NASA,

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what is the consuption rating of motor in one day

1 Answers  

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What shall be the secondary output voltage if the primary winding of a 220/6V, 50 Hz transformer is energized by an 110V, 60 Hz supply?

0 Answers   HPCL,

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IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.

0 Answers  

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during parallel operation of two ac generator which condition must match before taking both parallel i.e speed /voltage rating /kva/exciation

2 Answers  

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what is the constructional difference in generator if we want to genearate 6.6kv instead of 440v?

1 Answers   Anglo Eastern,

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what is reverse power relay brief explanation and in b/w where it is connected

0 Answers  

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if one potential missing in energy meter , how much % slow the energy meter?

1 Answers   NTPC, SK,

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What is cathode ray oscilloscope (cro)?

0 Answers  

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