what is the RESTART INHIBIT protection?

1 Answers   Thermax,

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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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comparision between mcb,mccb,elcb,flcb,elcb in details

0 Answers   ABB,

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Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

0 Answers   Bhel,

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Define corner frequency?

0 Answers  

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why it is necessary to maintain frequency constant in a power grid ?

1 Answers   NTPC,

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How can claculate to attain the desired PF in the line ( HOW Much KVAR is required ) Pls Give the formula?

2 Answers  

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transformer phasor diagram under load explain it?

0 Answers  

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on what factor insulation resistance depends

2 Answers   Uttam Sugar,

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corona happens more in ac or dc?

5 Answers   MAHINDRA,

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what is appearent power?

3 Answers  

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Which Motor used in Fan's Motor ?

3 Answers   Matsui Technologies,

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