Why used IGBT IN AC Drives

4 Answers  

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Can anyone tell me some hints about what type of questions are asked by the interviewer by an Electronics engineer when company is installing an IPP and wants a team of engineers?

0 Answers  

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What is Mvar?how significant is in electrical energy transmission?

2 Answers   Areva,

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How to determine the short circuit current for breakers and VCB.

1 Answers   Sabic,

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what is specific gravity of a battery if specific gravity increase/decrease,what will happen to the voltage/current of the battery

5 Answers   NTPC,

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Explain the working of variable frequency transformer?

0 Answers  

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while calculating demand in my company the present load in kw is 212.... there 125kvar capacitor bank is installed by spliting as 50 in departments...the diasplay in panek biard shows 175kw... how could we know the amount of kvar used to compensate the kva

1 Answers  

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Brief me about maintenance planning & sheduling of machine tool.

0 Answers   HCL, Thermax,

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Should power factor be low or high?

0 Answers  

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What is full form of ELECTRICAL?

3 Answers   Changwoon, DP World, Electrical, GSS, HCL, ITI, L&T, Maruti Suzuki, MCC, SMR, Somany Ceramics, TRDP, Wipro,

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What is the formula to calculate the size of Aluminium and copper cable?

0 Answers  

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what is automatic voltage regulator and it is used?

28 Answers   ACME, TCS,

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