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Monthly Archives: August 2018

Pole Discrepancy Protection Working Principle – 52 PD

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Purpose of Chokes in Tube Light

Purpose of Chokes in Tube Light

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Backup impedance Protection Working Principle (21G)

Backup impedance Protection Working Principle (21G)

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Under frequency protection

Under Frequency Protection Working Principle – 87U

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Under Voltage protection

Under Voltage Protection Working Principle 27

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Over Voltage protection Working Principle

Over Voltage Protection Working Principle 59

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Why aluminium and copper vessels not used in induction stove

Why Aluminium and Copper Vessels & Pot not Used in Induction...

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What is Reverse Power protection

Reverse Power Protection Working Principle -32R

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Negative sequence relay

Negative Sequence Relay Operation 59_2

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stator earth fault relay 59GN 27TN

100% Stator Earth Fault Protection of Generator

3
Netural overvoltage protection

Neutral Voltage Protection -59GN- 95% stator Earth fault protection

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Neutral Grounding Transformer

Advantage of Neutral Grounding Transformer NGT

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calculate the NGR Resistance value

How to calculate NGR resistance value?

5
NGR working on Star Winding

7 Purpose of NGR Neutral Grounding Resistor Transformer & Generator

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Over frequency relay operation

Over Frequency Protection Working Principle -81O

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How to Read CT Current Transformer Nameplate Details

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4 Different Types of Current Transformers

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Local Breaker Back Protection LBB 50Z or 50BF

Local Breaker Backup Protection LBB 50Z or 50BF

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Low Forward Power protection

Low Forward Power Protection 32F

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Generator Over Fluxing or Over Excitation Protection

Generator Over Fluxing or Over Excitation Protection 24 G

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