TQM Tools Interview Questions and Answers

TQM Tools Interview Questions and Answers: 1. What is benchmark? Ans. Benchmarking is a systematic search for best practices, innovative ideas and highly effective operating procedure. 2. What are the…

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Directional Static Overcurrent Relay

Directional Static Overcurrent Relay: For obvious reasons of obtaining selectivity overcurrent relays are made directional. Directional static overcurrent relay senses direction of power flow by means of phase angle between…

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What is Summation Transformer?

What is Summation Transformer? Summation devices are employed to compare the relaying quantities derived from the currents in the three phases of the primary circuit. The effectiveness of the comparison…

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Overlapping Zones of Protection

Overlapping Zones of Protection: Overlapping Zones of Protection - In order to provide selectivity to the system it is usual practice to divide the entire system into several protection zones.…

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