Answer / pravesh

ripples in ac supply are the d.c. components which are
along with the supply.

Vac = sq root (Vrms)^2 + (Vdc)^2

Answer / yogan

dc power

what is function of INVERTER

4 Answers  

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I have a 5KVA UPS. Total load to be connected almost 3KW. Ordering a battery pack with capacity of 1920VAh. How long will the backup time be?

1 Answers  

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what is the material use in bus bar & why.

3 Answers  

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How do we calculate the Out put voltage of generator, after the excitation is being given?

0 Answers  

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there are a transformer and a motor. both are connected to 3phase, 415 Volt, 50Hz power supply. Both are working with induction principles. Then, why, motor is rotating and transformer is not rotating.

8 Answers  

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how can a transformer test by megger?

1 Answers  

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difference between ac and dc generators

4 Answers  

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Simultaneous trip of incoming and outgoing breakers of 400kv/220kv trnasformer. What are the probable causes?

2 Answers  

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what is power?

1 Answers  

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What is OT in a transformer, specify its function.

2 Answers  

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wath is this mining of bts

1 Answers   Nokia, TATA,

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define superposition theorem thevnin theorem ,norton theorom?

0 Answers  

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