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Ferroresonance in Power Transformers
Ferroresonance: Ferroresonance phenomenon can be triggered off through interaction of the system capacitance with a non-linear inductance, when transformer is ... -
What Is Step and Touch Potential and Reducing Resistance To Ground?
Step Potential Step potential is the step voltage between the feet of a person standing near an energized grounded object. ... -
Methods to Reduce Step Potential and Touch Potential in Substation
Step Potential and Touch Potentials are very important in substations because during ground faults all the ground current returns to ... -
Substation Safety Clearances
Majority of electrical substations will be air insulated type. All the electrical equipment live parts will be exposed .All the ... -
Advantages and Disadvantages of Air Blast Circuit Breakers
In air blast circuit breakers, compressed air at a pressure of 20-30 kg/cm2 is employed as an arc quenching medium. Air ... -
Shunt Vs Series Capacitors Advantages
Shunt Vs Series Capacitors Advantages Capacitors aid in minimizing losses and helps in reducing operating expenses. Capacitors should be placed ... -
Top 100 Power Electronics Questions & Answers
Why IGBT is very popular nowadays? Lower hate requirements Lower switching losses Smaller snubber circuit requirements What are the different ... -
Power Systems Operation and Control Interview questions
What is load curve? The curve drawn between the variations of load on the power station with reference to time ... -
Top 100 Switchgear and Protection Interview Questions
What are the functions of protective relays To detect the fault and initiate the operation of the circuit breaker to ... -
How to test SCR using Multimeter
This post will discuss about testing SCR – Silicon Controlled Rectifier with thte help of Ohmmeter. The thyristor pin assignment diagram ...
Author: Bharadwaj
