Answer / jaybarnwal9534@gmail.com

simply, for the safety of lineman or electrician.
because isolator provides complete interruption of current

Answer / nagesh.patwari

Isolators are provided with interlocks on the both sides of CB in outdoor panel, reason is to identify either circuit is open or closed. Accordingly worker can take decision either to work on system or not. if CB open then isolators are also open.

My energy meter ratio is -/110/root 3,1A and connected line CT is 100/1,PT is 11kv/110 so what is the MF for meter

1 Answers   Apollo,

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I want to know Electrical Circuit?

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how to find value of resistance when 1 kw consumption for 10 minutes

1 Answers   Manipal Hospital,

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why we can not use dc in our country( INDIA)

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draw waveform of capacitor or inductor in a d.c ckt(during transient) with zero resistance with it(in series or parallel)also neglect resistance of wire

2 Answers   L&T,

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2 Answers  

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IN A DY11 GROUP DISTRIBUTION TRANSFORMER WITH NEUTRAL EARTHED, WHAT WILL HAPPEN TO THE SYSTEM VOLTAGE & THE EQUIPMENTS IF EARTH GETS OPEN ON LOAD?

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I have a one P.F meter in my factory showing 2 phase leading and one phase lagging then what is my actual P.F.

1 Answers  

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