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Electrical and Electronics Important Questions and Answers

Digital Signal Processing Important Questions and Answers Electrical Machines 2 Important Questions and Answers Power Electronics Important Questions and Answers Communication Engineering Important Questions and Answers Transmission and Distribution Important Questions and Answers Principles of Management Important Questions and Answers Operating Systems Important Questions and Answers Biomedical Instrumentation Important Questions and Answers Special Electrical Machines …

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Special Electrical Machines Important Questions and Answers

Special Electrical Machines Important Questions and Answers: 1. What is Electronic Commutation? Answer: Power electronic switching devices used in commutator with the utilization of position sensor are known as electronic commutation. 2. What is PMBLDC machine? Answer: PMBLDC – Permanent Magnet Brushless DC Machine, DC motors with solid state switches performing the function of commutation …

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Design of Electrical Machines Important Questions and Answers

1. How Materials are classified according to their degree of magnetism? Answer: Classification of Material Based on Degree of Magnetism Ferromagnetic material. Paramagnetic material. Diamagnetic material. 2. Name any two methods to reduce armature reaction. Answer: Methods to Reduce Armature Reaction are Compensating windings are provided to neutralize the effects of armature reaction. By increasing …

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Electrical Drive Systems and Components

Electrical Drive Systems and Components: Electrical Drive Systems : Each Electrical Drive Systems is different from other Electrical Drive Systems. However, there are some common features associated with all Electrical Drive Systems. To understand them it is good enough to consider few examples. This approach has been adapted here. Normally, a Electrical Drive Systems receives …

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Energy Conservation in Electrical Drives

Energy Conservation in Electrical Drives: Application of Variable Speed Drives : Several drives are driven at constant speeds by induction or synchronous motors, although operation of Application of Variable Speed Drives could lead to saving of substantial amount of energy. Such practice was adapted in the past because of nonavailability of efficient methods of speed control …

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