The protection is provided in the system to protect each and every element of the power system. Underground system is more flexible than overhead system. D. High initial cost. There are no computations required. B. POWER SYSTEM LAB VIVA Questions :-1. Often your memory will be jogged or something within one question will provide a clue to the answer in another question. It is used to improve the power factor of the system. Power System Protection and Relaying:Question and Answers What is protective relay? 1. A protection system engineer is planning to provide the complete protection, he can achieve this by _____ a) three phase fault relays and two earth fault relays b) … 2) What do you mean by the zone of protection? The Using the power utility system or network as the source. Answer : The protection is organized to provide a ring of security around each and every element of power system. Refer to the Fire Protection Handbook to find answers. Page 1 Q.5 The main drawback of ovehead system over underground syste is-A. Review the questions again. What is meant by synchronous condenser? The components or various sections of power system may operate at different voltage and power levels. 2. It consists of overvoltage withstand test of power frequency lightning and impulse voltages.Testa are done for both internal and external insulation with switch in both open and closed conditions. It will be convenient for analysis of power system if the voltage, power, current and impedance ratings of components of power system are expressed with a common value called base value. Higher charging current. An example of the power system is a grid that supplies power to the other system. What is dielectric test of a circuit breaker? Electrostatics Quiz Questions; Kirchhoff's Laws Test Questions; Electrical Materials Quiz Questions; Electrical Heating; Electrical Losses Quiz Questions; Electrical Measuring Devices Quiz ; Wiring Systems Quiz Questions; Inductance Quiz Questions Answers; Capacitance Quiz Questions; Electrical Power Generation: Battery Quiz Questions Go back to question ↑ Answer #10 Answer on first question: Functions of a protective relay: The protective relaying senses the abnormal conditions as a part of the power system and gives an alarm or isolate that part from the healthy system. C. Surge problem. Practicing All Power Systems - Electrical Engineering Questions and Answers in online helps you to improve your ability to attend the real time GATE, IES and BSNL JTO Exams. Define Power Factor. This set of Advanced Power Systems Questions and Answers focuses on “Switchgear and Protection – 2”. What Do You Mean By Zone Of Protection? Using the power utility system or network as the source. Answer: It is an electrical device designed to initiate the isolation of a part of the electrical installation, or to operate an alarm signal, in the event of abnormal condition or a fault. The relays are compact, self-contained devices, which respond to abnormal conditions. Q: What is dielectric test of a circuit breaker? P.E. Question 1. The cosine of angle between voltage and the current in an AC circuit is known as power factor. Ans: C. Q.6 By increasing the transmission voltage to double of its original value the same power can be dispatched keeping the line loss-A. Answer all questions that you know first. Exam will cover an AM exam (4 hours) followed by a PM exam (4 hours) and that the exam will be 80 questions long, 40 questions in the morning and 40 questions in the afternoon. It consists of overvoltage withstand test of power frequency lightning and impulse voltages.Testa are done for both internal and external insulation with switch in both open and closed conditions. 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