DC Motor Losses and Efficiency: The Losses and Efficiency of a transformer have been studied in earlier lesson. As in the case of transformers, it is more accurate to determine…
Electric Welding Machine Working Principle: The electric welding machine sets may be either dc or ac type. 1. DC Welding Sets: Such sets are of two types namely (i) generator…
Electrical Power Engineering Interview Questions and Answers: AC Distribution Interview Questions and Answers Braking and Mechanical Considerations Interview Questions and Answers Bus Bar Protection Interview Questions and Answers Circuit Breakers…
Important Questions in Electrical & Electronics: IMPORTANT QUESTIONS OF AC DISTRIBUTION IMPORTANT QUESTIONS OF CIRCUIT BREAKERS IMPORTANT QUESTIONS OF DC DISTRIBUTION IMPORTANT QUESTIONS OF DISTRIBUTION SYSTEMS IMPORTANT QUESTIONS OF ECONOMICS…
Booster Generator: A Booster Generator is a D.C. generator whose function is to inject or add certain voltage into a circuit so as to compensate the IR drop in the…
Principles of Power System Articles: This Principles of Power System Articles which includes the following topics: Electrical Energy Definition Different Types of Energy Sources Unit of Energy Energy Efficiency Definition…
Starting of Electric Drives: The most important processes associated with controlled electric drives are (i) starting, (ii) speed control (iii) braking, (iv) reversal of direction of rotation. All these are…
Nature of Electric Supply: The nature of electric supply available may be 3-phase ac, single-phase ac or dc. In case three-phase ac supply is available, polyphase induction motor, squirrel cage…