The IEEE defines protective relays as: “relays whose function is to detect defective lines or apparatus or other power system conditions … Read moreClassification or Types of Protective Relays

What is Voltage Surge or Transient Voltage? The sudden rise in voltage for a very short duration on power system … Read moreVoltage Surge in Power System

  In a modern power system, electrical energy from the generating station is delivered to the ultimate consumers through a … Read moreWhy Voltage Control is Important?

Please read Ideal Transformer and Practical Transformer before continuing. Consider a practical transformer on no load i.e., secondary on open-circuit as … Read morePractical Transformer on No Load

Using a resistor to limit the current can be used for small LEDs. For such low power LEDs, where the … Read moreConstant Current Driver Design based on LM317

Are you an electrical engineer searching for a job now? Thinking of what to do next? Have you ever thought about … Read moreWhat Jobs Electrical Engineers Do? | Roles and Responsibilities

Amazed why secondary of current transformer should not be open? If it is left open it may destroy the current … Read moreWhy Current Transformer (CT) Seconday Should not be Open ?

Ideal Transformer An ideal transformer is one that has no winding resistance no leakage flux i.e., the same flux links … Read moreIdeal Transformer and Practical Transformer

Even though the basic functions of the oil used in transformers are heat conduction and electrical insulation, there are many other properties which … Read moreProperties of Good Transformer Oil