Any formula to calculate neutral current in 3 phase 4 wire system

1 Answers  

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What are the different auxiliary protections of a transformer?

1 Answers   CESC,

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How much ph is maintained of water resistance starter for slipring induction motor ?

0 Answers  

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why should small green grass ans small plant should not be there inside the transformer Yard in the factories

0 Answers   Riddhi Siddhi,

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what is the relationship between induction motor and transformers?

11 Answers   College School Exams Tests, Engineering, Reliance,

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I just purchased a 4 position cam switch to be used to operate a 3-speed blower motor. The motor is a 10 amp motor and has 3 wires that are used to control speed. The cam switch was rated at 660V 20 amps but when I received it, I noticed that it has AC-15 operational current rating (Ie) of 4/5 amps. If I am reading the label correctly. the 4/5 amps is related to 440v/220V (Ue). Other ratings are AC-3: 5.5A, AC2: 7.5A and AC-4: 1.5A. My questions are 1) Is it safe to use this switch with the motor I have 2) what is the difference between the 20 amp Ith ratting and the Ie operational ratings?

0 Answers  

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In track electrification Either we use single conductor or double conductor? why?

2 Answers  

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What is GIS (Gas Insulated Switchgear)

3 Answers   Power Grid,

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Dear all, i completed M.E(Power Electronics & Drives) 2011 passed out having 78% so i need job in core side but i don't know how can i receive the calls from electrical companies and i uploaded my CV in naukri, times jobs etc.. In that iam not recieved any mails from good companies so give me best procedure plzzzzzzzzzzzzzzzzzzzzzzzz..... Thanks, K.Linga Reddy Email-id:-lingareddykmthm@gmail.com Ph no:-08015402078

1 Answers  

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Why in India distribution transformer are connected in Dyn11 when we know capacity of v-v connection can be increased by adding only a single transformer?

1 Answers   CSPL,

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compressor compresses air means exactly what happens?

2 Answers  

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I have tow 200 KVA UPS, both are in parallel mode.My question is that, both are running on battery when power fail, if one of them fail (Eg rectifire fails or some other reason), at thet time reverse power will come to faild ups if it comes then it will harm to failed ups or not? if not then how it protects to faied ups????????????????

1 Answers  

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