Answer / subbu

Since ct is step up transformer ,with secondary open , very high voltage will develop on secondary side. Due to this high voltage , secondary winding insulation will fail .this will lead to damage of secondary winding.

How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?

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what is reactive power and active power

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WHY WE ARE EXPRESSING KW-HR AS UNIT OF ELECTRICITY.........?WE CAN EXPRESS IN ANOTHER UNIT.....?

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Define phase lag and phase lead?

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What are the types of piano switches?

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how much test voltage should applied for tan delta test.

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what are the various types of earthing? plz give brief detail of all. also post pictures if u have.

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What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?

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1. Why a DC motor starter is called 3 point starter

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why universal motor work on ac & dc both?

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For single phase(phase to neutral) having potential difference 230.in three phase(phase to phase)we have 440V HOW...?

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Why high voltage lines (overhead ) are called high tension lines?

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