Answer Posted / guest

To save from Electric shock

how to protect motor in dol starter having capacity of 30 hp.40 hp?

3251

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what about GD square and its important for motor design?

3883

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I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.

2484

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what is errection pcbs?

1976

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Which Class insulation is prefered for the sandwich Busducts ? Why?

2076

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what is protection class current transformer.

4393

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How can two 3 phase transformers of same KVA and Voltage be connected in parallel?

1956

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Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?

1730

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How to Calculate The sag of OPGW in Transmission Line???

3174

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Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz

2353

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distribution transformer de-rating formula on over limit iron losses  

2348

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is ac supply can store

2158

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I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

4084

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How to calculate the efficiency of Turbo Generator(Alternator) in general....?

2971

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Advantage of LT panel vs HT panel

2985

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