Answer / karthik ccel

The PS class is protection class CT. This PS class C.T is
mostly used for the differential protection for
transformers,motors etc...

Answer / hemang

It is a protection class.

Answer / prakash gokhale

CL5P 10

in a delta-star with neutral grounding on star side what will happen if one star limb  got opened at star point

1 Answers   NTPC,

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This is urgent!! What is a Thyristor-based 3-ways selector switch with Zero crossing control? how does it operate and where is it mostly found in a system?

0 Answers  

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What is meant by Creepage Distance in Insulators?

2 Answers   Areva,

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Why effective AC resistance is more than DC resistance of a transmission line?

9 Answers   HCL, ONGC,

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compressor compresses air means exactly what happens?

2 Answers  

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what is the significance of positve n negative voltage regulation .on alternator

1 Answers   TCL,

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Less cost of delta connection over star connection a. No fourth neautral wire

1 Answers  

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what is the meaning of cable Glanding can you explain brifly?

2 Answers  

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why any inductive load need free wheeling diode?

4 Answers   Essar,

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why the admittance matrix or y bus matrix of a large network is called sparse matrix?

3 Answers  

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when i am going to take trail on a 3ph sq.i/m motor 5.5kw, i observed that RPM of the motor is very low as compared to the rated RPM and also it rotates in clockwise in first ON command,and anticlock wise in second ON command. finally i observed that on phase is no available . but iam not clear about, why the motor is rotates in both directions without any phase interchanging.pls answer to my question.

1 Answers  

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what is the meaning of transformer short circuit test?

7 Answers   HZL, L&T,

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