Answer / dileep nigam

we perform two test in lightening arrestor for checking the
healthiness.
01 power factor test
02 infrared analysis
possible problem in LA is caused by ingress of moisture

hi guys please tell me the procedure for mesuring the coil resistance of 3ph induction motor?

0 Answers  

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what is the different ratings of ACB/VCB/SF6 which is used at HT side

3 Answers   Hosco,

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How the CT and PT ratings are calculated

5 Answers  

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1.what is meaing of ups,and used in softwares and sud stations,and main partes in ups. 2.main partes of the Disel Genarator. 3.main partes of the chiller and safty equipments.

2 Answers  

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How to check phase R,Y,B

3 Answers  

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why so maney smaller size capacitor use instead of single Big size capacitor in apfc panel

1 Answers  

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How to calculate incomer of a capacitor bank/feeder from its KVAR, AND how to calculate the copper busbar for rated incomer,like for 400A we calculate the 40x10 of aluminum busbar.

1 Answers  

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Which addressing mode contains the address for data as a part of the instruction in 8085.

3 Answers   Ecil,

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

0 Answers  

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what is the working of ups.

7 Answers  

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in short circuit. test of a transformer 5 to 10% ofvrated voltage is used why??? if we use rated voltafe then what will be?

1 Answers  

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is it possible to run a dc motor on ac supply with good performance.....?

3 Answers  

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