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APFC RELAY

APFC RELAY:  L&T etaSMART APFC Relay Manual

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WHAT IS THE TIME-DELAYED IN OVER CURRENT RELAYS?

TIME DELAY: In order to achieve selectivity and back-up protection, it is essential t…

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WHAT IS THE INSTANTANEOUS OVER CURRENT RELAYS?

INSTANTANEOUS OVER CURRENT RELAY:  These relays work without an intentional time dela…

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WHAT IS THE INRUSH CURRENT OF A TRANSFORMER?

MAGNETISING INRUSH CURRENT:- Magnetising inrush current refers to the current which f…

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WHAT ARE THE FAULTS IN TRANSFORMER?

FAULTS OF TRANSFORMERS: Different type of faults that occur in transformers are below…

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WHAT IS ELECTROMECHANICAL RELAY?

ELECTROMECHANICAL REALY:- In electromechanical type of relays, when the actuating qua…

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WHAT IS THE ZONES PROTECTION?

It is thus wise to divide an electric power system into different protective zones, whi…

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WHAT IS THE NEED FOR POWER SYSTEM PROTECTION?

The power system network in any region or country constitutes the backbone of it's …

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WHAT IS HARMONICS?

In our electrical system when current and voltage are distorted by non-linear loads. …

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WHAT IS DISCHARGE RESISTOR?

Three-phase power capacitors terminals are directly connected with discharge resistor(2…

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HOW TO SELECT VOLTAGE FOR POWER CAPACITOR?

VOLTAGE SELECTION OF POWER CAPACITOR **IMPORTANT TERMS FOR VOLTAGE SELECTION:- …

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WHAT IS THE PARALLEL OPERATION OF TRANSFORMER?

PARALLEL OPERATION OF TRANSFORMER: T here are certain definite conditions which …

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WHICH INSTRUMENTS REQUIRED FOR ENERGY AUDIT?

ENERGY AUDIT  ELECTRICAL MEASURING INSTRUMENT:- These are instruments for me…

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