What is VVVF Drive ?

3 Answers  

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Dears we deal in Chemical are Plate earthing. Kindly call if any requirement and questions. Tech Earth Solutions Mohit Verma 8791071007

0 Answers   XYZ,

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why is the number of turns different in current and potential coils of wattmeter..?

1 Answers  

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any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

0 Answers  

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What is C2-M2-E2 class in circuit breaker. why and where it is to be used in circuit breaker

1 Answers  

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what type questions asked in hp cl

0 Answers   HPCL,

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if any body have question paper of railway (section engineering),then plz send me .i will thank of him/her.

0 Answers  

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Transformer's core is made up of which material and why so?

10 Answers   ABB, NTPC,

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what is the earthing condition between earth & phase.

3 Answers   ABB,

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What are high pass filter and low pass filter? and What are the flowmeter ?

0 Answers  

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why does fans rotate in anticlockwise direction?

1 Answers  

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1)we r having one problem .one dry type transformer(6.6KV/433V)is taking high magnetizing current on delta connected HV side of "U" phase when compared to other two phases.could any body tell the reason why it is happening? 2)why CT secondary side protection core has got higher winding resistance when compared to that of metering core of same CT?

2 Answers  

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