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. C. Surge problem. 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. POWER SYSTEM LAB VIVA Questions :-1. Answer : The protection is organized to provide a ring of security around each and every element of power system. The cosine of angle between voltage and the current in an AC circuit is known as power factor. What Do You Mean By Zone Of Protection? Page 1 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. What is dielectric test of a circuit breaker? Higher charging current. This set of Advanced Power Systems Questions and Answers focuses on âSwitchgear and Protection â 2â. Refer to the Fire Protection Handbook to find answers. B. Answer all questions that you know first. Q: What is dielectric test of a circuit breaker? What is meant by synchronous condenser? 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. An example of the power system is a grid that supplies power to the other system. 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. Go back to question â 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. 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. 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) ⦠Power System Protection and Relaying:Question and Answers What is protective relay? The The components or various sections of power system may operate at different voltage and power levels. It is used to improve the power factor of the system. 2) What do you mean by the zone of protection? Underground system is more flexible than overhead system. Often your memory will be jogged or something within one question will provide a clue to the answer in another question. Using the power utility system or network as the source. There are no computations required. 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 Review the questions again. 1. Question 1. Q.5 The main drawback of ovehead system over underground syste is-A. Define Power Factor. P.E. 2. An over excited synchronous motor running on no load is known as synchronous condenser. 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. The relays are compact, self-contained devices, which respond to abnormal conditions. D. High initial cost. Using the power utility system or network as the source. 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