Answer / ajaz sarwar

Grading rings also called corona or anti-corona rings, made up of conductive material attached to the terminals of high voltage equipment to reduce the peak value of electric potential gradient below the threshold value of corona. 

why the earth pin in a 3-pin socket is longer and thickest?

5 Answers  

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how to calculate full load current of transformer & induction moter ?

2 Answers  

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what is the difference between delta-delta, delta-star transformer???

3 Answers  

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when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?

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What are the fire Estingushers use in electrical fire?

3 Answers  

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In a simple spur gear train, gears with 24, 48, 32, 72 and 96 teeth are in sequence. The gear with 24 teeth runs at 900 rpm. The speed in rpm of gear with 72 teeth is

1 Answers   Caterpillar,

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how much current carry a 3-1/2 core of 100mm size cable.explain it with solution

2 Answers   ACS,

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How to size a transformer which will supply power to 550kW,690V motor starting with VFD?

1 Answers  

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what is the uses of C.V.T transformer in switch yard?

4 Answers   L&T,

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what is inter connected dc generator?

0 Answers   Lovely Professional University,

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on 22.03.2015 at 17:15hrs Y phase 66kV class Power Trf-2 Current transformer has flashed over and oil came out. The failed CT has been replaced on 24.03.2015 at 13:15hrs and the Trf has been charged in presence of RT Hassan after conducting the pre-commissioning tests. On the same day at 17:00hrs the commissioned CT has again flashed over and immediately the Trf  has been isolated from power supply. It is confirmed the secondary is not opened and checked the earth integrity and is found ok. Here what would be the reason for the CT failure? 

2 Answers  

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How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.

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