Answer / ram

Differential relay operation depends upon the transformer
rating.
There are some factor to be consider for differential relay
settings.few are as follow.
1)Inrush current of the transformer
2)Load details

function of soft starter .

2 Answers  

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Does outdoor isolator loose connection cause short circuit current in that circuit? if yes then how ??

0 Answers  

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2 t/f operating in parallel will share the load according 2 their- a)leakage reactance,b)pu impedence,c)efficiency,d) rating.

1 Answers  

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Why 3 phase induction motor getting supply in body if one of it's phase is cut

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What is difference between MCB,MCCB,ELCB and RCCB? Brief description and why RCCB is costly?

3 Answers   JLL,

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what could be the RMS value and average value of a 4 phase sine wave?

0 Answers   BARC,

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why battery room in substation is black coloured?

4 Answers  

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How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?

0 Answers   Dhanam Enterprises,

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How to calculate Air conditioning capacity for a telecom BTS shelter?

0 Answers  

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How to conduct a Hipot test on a 11KV cable?

2 Answers  

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What it the purpose of parallel phasing transfomers??

0 Answers   Asia MotorWorks AMW,

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ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?

0 Answers  

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