power system protection quiz

c) Holes Mho relay is normally used for the protection of: This value is the determinant as to how long a short circuit will remain on a circuit, if uninterrupted by an overcurrent protective device. Twisted multiple-choice questions, true or false statements, and visual problems will force you to dig deep in your memory to recall all the facts learned on electrical safety. Ans: (d), a) 4 kV Search for: Menu Power Quality Quiz Questions. d) Transmission lines Closes fuel shutoff, closes hydraulic shutoff, disconnects the generator field, and arms the fire-extinguishing system. c) Bulk oil circuit breaker PLAY. Try this amazing Relays And System Protection quiz which has been attempted 719 times by avid quiz takers. Power Quality Quiz Questions. d) Alloys, Multiple Choice Question (MCQ) of Electronics page-14:196. Bulk oil circuit breaker is suitable for voltages upto. c) Relays d) Fuses What is System protection? If any fault occurs in the system then the relays associated with it trip all the circuit breaker so that the faulty element gets removed from the power system. What component is not normally used in the protection of a power system? Objective Type Question or MCQ of Power System Protection page-2. Preview this quiz on Quizizz. If there is any fault associated within the ring the relays associated with it must trip all the allied circuit breakers so as to remove any faulty element from rest of the power system. This Security provided to the system is called the 'Zone of protection'. 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. Which of the following terms describes the time lapse before the surge protection begins, or how much time elapses between detection and protection? 1.In a circuit breaker, are is initiated by the process of. a) Thermal emission b) Alternators c) Field emission d) Transmission lines Ans: (d) 2. c) Air blast circuit breaker Trivia Quiz. Power System Protection — ENEE. The journal is devoted to presenting new theories, technologies and top-level academic achievements in the field of protection and control in modern power systems. 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. In the short circuit analysis, the rate of decay of fault current depends on: Magnitude of the short circuit depends least based on what? These objective type Power systems - Generation questions are very important for campus placement test, semester exams, job interviews and competitive exams like GATE, IES, PSU, NET/SET/JRF, UPSC and diploma. Ans: (d), a) Current carrying contacts called electrodes Ans: (c), a) Circuit breakers STUDY. Electrical machine quiz; Control system quiz. OUTLINE System protection-Definition Need for the protection Elements of the protection system 3. What is protective relay? Share. Ankit Goyal. Objective Type Question or MCQ of Power System Protection page-1. Write all answers in the Examination Answer Booklet provided. Power Systems MCQ Series 1 Instrumentation Tools assists you with a complete guide of objective questions which mainly targets the aspirants of Electrical, Electronics and Instrumentation engineering Streams to crack the competitive exams and to prepare for the top MNC companies written tests. A. Which drawing represents a Overcurrent (Non-Directional) Relay? See answer and applicable Code reference. The main … This test is useful for the students who are preparing for GATE(Electrical Engineering). Basic Power system quiz; Switchgear & Protection Quiz; Electrical machine quiz. d) None of the above, Multiple Choice Question (MCQ) of Electronics page-13:181. Quiz: Are You A True Star Wars Series Fan? MySafetySign.com has designed a free quiz to determine if you’re trained well for Electrical Safety PPE. c) Free electrons are always present in the semiconductor. Basic Control system; Electronic measurement and Instruments. Power Quality Quiz Questions Answers) Search for: Related Pages. B. Power System Protection — ENEE Question 3 (10 Marks) In the following 66kV power system, the feeder protection breaker CB1 is operated by a modern digital relay programmed with Standard Inverse (SI) overcurrent protection and an Instantaneous over current protection. Watch Now. Which of the following terms describes the time lapse before the surge protection begins, or how much time elapses between detection and protection? The conduction in JEFT is always by the C. Both A and B. D. None of the above View Answer. C. Both A and B Your Comments. Faults. Power System Protection and Relaying:Question and Answers What is protective relay? The next step is protection, with surge elimination and power conditioning equipment that can prevent these issues from reaching the system. Hindi Electrical Engineering. Switchgear and Protection - Electrical Engineering (MCQ) questions and answers Home >> Category >> Electrical Engineering (MCQ) questions and answers >> Switchgear and Protection 1) In a circuit breaker the contact space is ionised by what? 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. d) Inner and bound electrons are always present in the semiconductor. This portion of our website covers almost everything related to protection system in power system including standard lead and device numbers, mode of connections at terminal strips, color codes in multi-core cables, Dos and Don’ts in execution. A formulae sheet is attached at the back of the exam paper for your use. A. D. High initial cost. Example: Question 2 (a). In simple words relay is … What types of relay takes longer to detect a fault that is further away along the line? C. Surge problem. Hindi Electrical Engineering. Protection Summary • The Power System must be protected – To avoid damage to equipment, people & property • Protection systems are created using CT/VTs, relays and circuit breakers • Key characteristics are: – Selectivity – Speed – Reliability – Stability – Sensitivity b) Air blast circuit breaker TOTAL 40 MARKS The purpose of a differential relay on a transformer is to. When are you subjecting your computer to the greatest risk of external power problems? Which of the following types of relays are used to protect transformers and generators? 2. d) Tungsten 1. The protection is organized to provide a ring of security around each and every element of power system. e) Holes and electrons simultaneously, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-20, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-19, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-18, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-17, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-16, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-15, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-14, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-13, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-12, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-11, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-10, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-9, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-8, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-7, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-6, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-5, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-4, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-3, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-2, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-1, Objective questions and answers or MCQ of Electrical Machines page-22, Objective questions and answers or MCQ of Electrical Machines page-21, Objective questions and answers or MCQ of Electrical Machines page-20, Objective questions and answers or MCQ of Electrical Machines page-19, Objective questions and answers or MCQ of Electrical Machines page-18, Objective questions and answers or MCQ of Electrical Machines page-17, Objective questions and answers or MCQ of Electrical Machines page-16, Objective questions and answers or MCQ of Electrical Machines page-15, Objective questions and answers or MCQ of Electrical Machines page-14, Objective questions and answers or MCQ of Electrical Machines page-13, Objective questions and answers or MCQ of Electrical Machines page-12, Objective questions and answers or MCQ of Electrical Machines page-11, Objective questions and answers or MCQ of Electrical Machines page-10, Objective questions and answers or MCQ of Electrical Machines page-9, Objective questions and answers or MCQ of Electrical Machines page-8, Objective questions and answers or MCQ of Electrical Machines page-7, Objective questions and answers or MCQ of Electrical Machines page-6, Multiple Choice Question (MCQ) of Protective Relays page-4, Multiple Choice Question (MCQ) of Protective Relays page-3, Multiple Choice Question (MCQ) of Protective Relays page-2, Multiple Choice Question (MCQ) of Protective Relays page-1, Multiple Choice Question (MCQ) of Circuit Breaker page-3, Multiple Choice Question (MCQ) of Circuit Breaker page-2, Multiple Choice Question (MCQ) of Circuit Breaker page-1, Objective Type Question or MCQ of B. Objective Type Question or MCQ of Power System Protection page-2. 11. 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) Water b) Alternators Explain under-reaching protection. The correct answer is: b) False. Ans: (c). Trivia Questions, Electrical Installation Questions! When are you subjecting your computer to the greatest risk of external power problems? c) 10 kV What is a distance relay. Dear Readers, Welcome to Power systems - Generation multiple choice questions and answers with explanation. Also explore over 60 similar quizzes in this category. a) The saturation voltage VCF of silicon transistor is more than germanium transistor. 700 apply to the installation of emergency systems. Part VI of this Article covers the overcurrent protection requirements for these systems. Short circuit studies provide an analysis of all possible operating scenarios which will be, or have been influenced by, the proposed or completed additions or changes to the subject system. b) CUJT b) The saturation voltage VCE for germanium transistor is more than silicon transistor. Discussion on Power Systems Protection - Part I. b) Arc extinguishers b) Supply voltage c) Copper tungsten alloy Faults that occur within the zone are termed as Internal … Protection and Control of Modern Power Systems is an international academic journal co-published by Power System Protection and Control Press and Springer. Which of the following statement is true? Power Quality and Protection DRAFT. b) Switching condition only In case of ring main feeder protection . Which drawing represents a Under Current Relay? c) Insulators In case of parallel feeder protection . The provisions of Art. In case of ring main feeder protection . B. Link to paper: D. Whitehead and N. Fischer, "Advanced Commercial Power System Protection Practices Applied to Naval Medium Voltage Power Systems," IEEE Electric Ship Technologies Symposium, July 2005 (this takes you to the SEL web site, free registration may be required) Link to paper: R. Lavorin, D. What is protective relay? Ans: (c), a) Bulk oil circuit breaker Power System Protection 2. The generation, distribution, and transmission system … d) The saturation voltage VCE for silicon transistor is lower than germanium transistor. Power Quality Quiz Questions Answers) Search for: Related Pages. *b. Voltage and current is used as input varibles to the DR. mcqelectrical4u. Which of the following circuit breaker is generally used in applications in railways? The objective of power system protection is to isolate a faulty section of electrical power system from rest of the live system so that the rest portion can function satisfactorily without any severe damage due to fault current. Ans: (c), a) Aluminium Post on: April 25, 2016 . Write your answer clearly, use numbered headings or subheadings to show which part of your answer refers to which question. C. Both A and B Your Comments. Which drawing represents a Balanced Current Relay? 1.In a circuit breaker, are is initiated by the process of, a) Thermal emission Multiple Choice Question (MCQ) of Electronics page-17:241. Power system studies are essential tools in understanding the expected performance of an electrical system and determining the severity of a fault or other unexpected event. 9th - University grade. Economics of Operation page-3, Objective Type Question or MCQ of B. Which of the following statement is correct? 11. The test contains all the topics related to the stream. Economics of Operation page-6, Objective Type Question or MCQ of B. Power Relay and Protection. The ratio of reset to pickup for an induction cup relay is approx: By Swiftdodgers | Last updated: Oct 26, 2016, Electrical Vocabulary Quiz! ... to cause the prompt removal from service of any element of a power system when it suffers a short circuit, or when it starts to operate in an abnormal manner that might cause damage or otherwise interfere with the effective operation of the rest of the system ... Wireless Final Quiz. Diffferent Protection schemes 52! c) Transformers to isolate two systems a) Bulk oil circuit breakers b) Minimum oil circuit breakers c) Air break circuit breakers d) None of these Ans: (c) 12. Home; Electrical Theory. a) UJT Bharadwaj. 3. Ans: (a), a) Restriking voltage b) Minimum oil circuit breaker d) None of these Ans: (b), a) Air Which drawing represents a Pilot Wire  Relay? Multiple Choice Question (MCQ) of Electronics page-15:211. Power System Protection and Relays Questions & Answers. Specially developed for the Electrical Engineering … And the best part: the quizzes are free! b) Bound electrons are always present in the semiconductor. Which of the following is the most severe fault? Similar Classes. Which drawing represents a Differential Relay? Instructions Sheet. b) Minority carriers In this live class we will discuss a live quiz on power system protection and economics. In case of parallel feeder protection . Economics of Operation page-2, Objective Type Question or MCQ of B. The pulling out (or down) of an illuminated fire handle in a typical large jet aircraft fire protection system commonly accomplishes what events? Power System Protection and Relays Questions & Answers . c) Both (a) and (b) above 9th - University grade. Underground system is more flexible than overhead system. Q.5 The main drawback of ovehead system over underground syste is-A. Reactance relay is normally preferred for protection against: If the fault current is 2000 amps, the relay setting is 50% and the C.T. b) Oil 1.8 Various Power System Elements That Need Protection 23 1.9 Various Principles of Power System Protection 23 Reuiew Questions 24 Problems 25 2 OVER-CURRENT PROTECTION OF TRANSMISSION LINES 26-56 2.1 Introduction 26 2 2 Fuse 26 2.3 Thermal Relays 27 2.4 0; er-current Relay 28 2.4.1 Instantaneous OC Relay 29 What is the Power plant or Power Station? INDIA'S BEST WEBSITE FOR ELECTRICAL ENGINEERING STUDENTS. 0. b) Conductors Power system protection 1. b) Electrolytic The alternate source for emergency systems shall have ground-fault protection of equipment. c) Field emission How many protection zones are possible in a power system? Home; Electrical Theory. d) SF6 circuit breaker d) SF6 circuit breaker d) None of these Multiple Choice Question (MCQ) of Electronics page-16:226. If your particular topic of interest is not included in this list, please refer to the list of companion books referred to at the beginning. Ended on Apr 13, 2020. Can You Pass This Basic World History Quiz? It introduces the electric power system, from generation of the electricity all the way to the wall plug. The domains of power system where directional overcurrent relay is indispensable are . c) The saturation voltage VCE for silicon transistor is same as that for germanium. a) Inner electrons are always present in the semiconductor. Higher charging current. They respond to the impedance between the relay location and the fault loction. We understand the importance of continuous learning, particularly when it comes to being safe. Actually circuit breaker isolates the faulty system from rest of the healthy system and these circuit breakers automatically open during fault condition due to its trip signal which comes from protection relay. a) Semiconductors Power system protection vladimir. a) 4 kV b) 25 kV c) 10 kV What is not a possible zone of protection in a power system? By offering this quiz free of charge, we hope that people will enter a confined space with more knowledge than they previously had of … d) Circuits to break the system The domains of power system where directional overcurrent relay is indispensable are . c) PUT A type of relaying which is responsive to the direction of the flow of power and line impedance is normally designed as. d) Electrons STUDY. b) 25 kV Offered by University at Buffalo. Descriptions of … a) Bulk oil circuit breakers b) Minimum oil circuit breakers c) Air break circuit breakers d) None of these Ans: (c) 12. Economics of Operation page-4, Objective Type Question or MCQ of B. Coupling Capacitance Volatge Transformers (CCVTs), Removing question excerpt is a premium feature, Which of the following relays operation is based on a direct proportion of the distance to the location of the fault, A type of relay in which the time of relaying varies directly as the distance of the fault from the station. The materials whose electrical conductivity is usually less than 1 × 106 mho/m are Power Quality and Protection DRAFT. System protection is the art and science of detecting problems with power system components and isolating these components. In which of the following device the base resistors are not added in the package but added externally? b) Fast switches Preview this quiz on Quizizz. Basic measurement quizes; Curiosity Questions; Quizzes and Tests; Electrical paathshala 2; About; Contact a) True b) False. c) Recovery voltage The purpose of the short circuit study is to determine the ability of each component within an electrical system to withstand and/or interrupt the system current. Information contained within the study include tabulations of the data used to model the system components and a corresponding one-line diagram. It is used to protect transmission lines. This book is devoted to the subjects of power system protection, power system dynamics and stability, and power system operation and control. Access study documents, get answers to your study questions, and connect with real tutors for EE 466 : Power System Protection at King Fahd University Of Petroleum & Minerals. C. Both A and B. D. None of the above View Answer. Non Stop EE Question Marathon -I. Ans: (d), a) Circuit power factor only d) None of these Which of the following circuit breaker is generally used in applications in railways? is 400/5, then the plug setting multiplier should be: If the time operation of a relay for unity TMS is 10 sec, what is the time of operation for 0.5 TMS. You will learn about the segments of the system, and common components like power cables and transformers. 4. Ans: (a), a) Air break circuit breaker a) Majority carriers What Are Internal And External Faults? B. Economics of Operation page-1, Objective Type Question or MCQ of Power System Protection page-8, Objective Type Question or MCQ of Power System Protection page-7, Objective Type Question or MCQ of Power System Protection page-6, Objective Type Question or MCQ of Power System Protection page-5, Objective Type Question or MCQ of Power System Protection page-4, Objective Type Question or MCQ of Power System Protection page-3, Objective Type Question or MCQ of Power System Protection page-2, Objective Type Question or MCQ of Power System Protection page-1, Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-11, Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-10, Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-9, Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-8, Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-7, Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-6, Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-5, Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-4, Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-3, Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-2, Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-1. Economics of Operation page-5, Objective Type Question or MCQ of B. Power system quiz. The greatest effect of a fault on a system is on? In adjacent overlapping zones in the DWP 500-kv systems, what component or device is normally overlapped? d) 36 kV The protection is provided in the system to protect each and every element of the power system. This course familiarizes you with standards and policies of the electric utility industry, and provides you with basic vocabulary used in the business. PLAY. A power system is an interconnected network with components converting non-electrical energy continuously into the electrical form and transporting the electrical energy from generating sources to the loads/users.

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