How much area is covered by a single lightning arrestor to protect object from lightning strokes ?

1 Answers  

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in 3phase 50kva dg what is the full load current for single phase laod

6 Answers  

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why secondary of open delta pt (two element pt) centre tap is earth what happen when this earth is removed

1 Answers   Essar,

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What is Single Phasing fault???(not single-phase fault)

6 Answers   ABB,

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What is the use of Surge Capacitor in LAVT?

1 Answers   Snipe Engineers,

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how can we connect a distance relay to CT core that is for backup protection or metering?

1 Answers  

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If there is no problem with the electronic circuit and regulator then why the motor start rotating at low value of regulator with full speed both at laod and no load??? and if my judgement of circuit is wrong then what is your openion?

1 Answers  

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how can we find CT coil not working ?

7 Answers  

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as we know that N=120f/P speed of an im can be controled only through changing no if poles, can we control by changing the frequncy????

7 Answers   JSW,

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Why we oil in tranformer/

5 Answers  

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what is the difference between changer, converter and transformer?

0 Answers  

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what is the purpose of starter in tube light?what is it operation .

1 Answers  

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