i have done my b.tech in 2009 .still hunting for a job...wat shud i answer if intervevwr asks..(what u have done 1yr)

1 Answers   TATA,

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What is four quadrant metering system.

5 Answers  

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How to calcute the cable size for both HT and LT please specify the formula for that Regards Chethan C

1 Answers   Bhel, Student,

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what is inrush current in transformer?

17 Answers   Bhel, Essar, GMR,

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what is the maximum genarating in india?

17 Answers  

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What conditions are required for a transformer to operate at low frequencies ?

1 Answers  

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what is the formula for transformer oil?

1 Answers  

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Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?

0 Answers  

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what is earthing transformer? draw the winding dia.of earthing transformer.

0 Answers  

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Am using an electronic digital display to see the RPM of ABB ACS 550 drive, which is showing negative value when the motor & drive in stop mode but it is showing correct value during the run mode. can anyone help me out??

2 Answers   Bala Power Solutions,

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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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why the Parameters : Base Voltage & Maximum Voltage can't be equal in value in a VFD (Variable Frequency Drive) ? How much the base voltage would be lower than the maximum voltage ? If 400 V is the 3 phase output of a VFD ... then what should be the base voltage ? thanks a lot

1 Answers   Yaskawa,

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