What is vacuum circuit breaker.define with cause and where be use it device?

0 Answers  

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why substation ratings are multiple of 11 means 11\33 kv substation

6 Answers  

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What will be the minimum megger value of 1700 KVA Transformer? a) Do megger value varies according to climate conditions and area . b) If megger value is 100 mega ohm is it good for new transfomer. Explain?

4 Answers  

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WHAT IS THE FULL FORM OF ONAN ( TYPE OF COLLING IN TRANSFORMER)

7 Answers  

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how to find the ballast lost from the actual wattage? for example i am going to buy decorative type 2x36watts fluorescent light fitting for this lamp how to find the ballast lost? is there any formula?

2 Answers   MEIL,

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What is the application of Nitrogen Injection system in Transformer Protection?

1 Answers   HPL,

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WHAT IS THE DIFFERENCE BETWEEN RESISANTANCE AND IMPEDANCE IF IMPEDANCE IS MORE THAN RESISTANCE AT SAME VOLTAGE CAN WE HAVE RELATION DERIEVED BETWEEN THEM

4 Answers  

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230v AC & 230V DC which is more dengerous for getting a clectric shock between this two voltage?

5 Answers  

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what is the functioning of cvt in a substation?

2 Answers  

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Why current transformers are rated in BURDEN instead of VA?

4 Answers   Bhel,

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When batteries are connected in series the voltage increases but the current remains unchanged, how can this be? When you consider ohm's law. i.e. If voltage increases, current increases, providing resistance remains the same.

10 Answers  

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how commomn gate triggering is given for TRIAC ? other thyristor wont be efffected?

0 Answers   BARC,

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