Per Unit System in Power System

Per Unit System in Power System: Per Unit System in power system is usual to express voltage, current, voltamperes and impedance of an electrical circuit in per unit (or percentage)…

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Per Unit System

Per Unit System: While carrying out the analysis of electrical machines (or electrical machine systems), it is usual to express voltage, current, VA and impedance in Per Unit System (or…

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Operating System Interview Questions and Answers

Operating System Interview Questions and Answers: Following are the below Operating System Interview Questions and Answers, Operating System Important Questions and Answers 1. Define Operating Systems. Ans. An Operating system…

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DC Excitation System Working Principle

DC Excitation System Working Principle: In dc excitation system, the system has two exciters—the main exciter (a separately excited dc generator providing the field current to the alternator) and a…

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Basic Requirements of Protection System

Basic Requirements of Protection System: Protection system is an extremely important part of the power system as it is provided to operate under abnormal conditions to prevent failure or isolate…

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