Electrical Power Engineering Articles: This Electrical Power Engineering Articles which includes the following topics: Refrigeration Cycle Diagram Explain Vapour Compression Refrigeration System Explain Vapour Absorption Refrigeration System Thermoelectric Refrigeration…
General Characteristics of Electrical Equipment: All electrical machines, apparatus and other forms of characteristics of electrical equipment must satisfy two main requirements—they must be able to operate continuously under normal service…
Methods of Ventilation and Cooling of Electrical Machines: It is necessary to provide suitable ventilation and cooling of electrical machines so that the temperature rise at any part of the…
Electrical Braking of Polyphase Induction Motors: Electrical Braking of Polyphase Induction Motors which consists of different types, namely, Plugging (or Counter-Current Braking) Dynamic (or Rheostatic) Braking Regenerative Braking 1. Plugging…
Laws of illumination in Electrical: There are two laws of illumination Law of inverse squares and Lambert's cosine law. Law of Inverse Squares: If a source of light which emits…
Electrical Power Engineering Multiple Choice Questions with Answers: Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 1 Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 2…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 12: 552. The electric motor used for traction work should be mechanically (a) small in overall dimensions (specially in its…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 11: 502. In underground traction, the supply system is (a) 500 V to 1,000 V dc (b) 25 kV, 50…