power inverter we are using 2n3773 power transister in that places we can use any IGBT ?

1 Answers   Essar,

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What is the problem if we connect a weak capacitor to the system? is that profitable or Loss?

1 Answers  

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At site, we have 30Kw motor (3 phase, 400V,50Hz) and FLC 54A as per the nameplate. At the time of starting it draws 840A instead of 390A (7.2%). As per the data sheet also its 390A starting current. it thru a dol starter from the MCC. can anyone tell what is the problem in the motor

5 Answers   ME,

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Whats meant by trivector meter where it is connected at the substation?

20 Answers   GPIL, Infosys, Jakson, L&T, Secure Meters,

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plese send me the oces/dgfs sylabus and previous year question pattern of electrical engg.?

0 Answers  

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what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?

0 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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While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply

2 Answers  

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Explain Need of a starter in a dc motor.? Also explain any two starting and speed control method of dc motor?

0 Answers  

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I have 480V Single phase and I am trying to figure how big of a transformer (KVA's) and Primary breaker size I need to provide 200 Amps at 240V for a building.

1 Answers   Wipro,

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why only exciting current is shown not primary current in transformer???

0 Answers  

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what type of questions are asked and howmwny questions belong this catagory?

0 Answers   RRB,

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