GATE, IES, SSC JE, Below table provide you all latest Electrical Objective Questions for We have also provided number of questions asked since 2007 and average weightage for each subject. If you like this article At the same time, the relay should be sensitive enough to respond to the smallest fault. Privacy Electrical Engineering Exams Previous Years Papers: If What Do You Mean By Zone Of Protection? Power System Interview Questions. Engineering Objective Questions MCQ with Answer Free Pdf Download. Publisher Of all MCQ Book pdf On Net. This bus is first to respond to a changing load condition. DMCA, Power System objective â¦ questions for competitive exams pdf, these all electrical objective question with answer key, Website Is Not the Original How Many Methods Uses For The Load Flow Solution ? Question 10. Collected from Other Sites on Internet. It is the subfield of electrical engineering that deals in preventing damage such as overheating of generators and motors, to reduce transmission losses and to maintain the ability of system to withstand and prevent voltage collapse. c) The saturation voltage V CE for silicon transistor is same as that for germanium. Volume of The Conductor is inversely proportional to the _____. Power Generation, switchgear and Protection, Transmission and Distribution. Question3: What do you mean by reach and reach point of the relay? The operating principle of IDMT relay is based on the idea that more severe a fault is, the faster it should be cleared to avoid damage to apparatus. Answer : Step up substation, Primary grid substation, Secondary substation, Distribution substation, There will be an overshoot time (due to moment of inertia of moving relay system). KONGU ENGINEERING COLLEGE, PERUNDURAI ERODE â 638 052 (An Autonomous Institution Affiliated to Anna University of Technology, Coimbatore) DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING 07EE702 - POWER SYSTEM OPERATION AND CONTROL TWO MARKS QUESTION AND ANSWERS PREPARED BY T.GUNASEKAR M.E.,(Ph.D)., Assistant â¦ Made Easy Electrical Handwritten Notes Free Pdf can download free pdf all, Electrical please share with your friends and classmates because sharing is caring. D. High initial cost. Slack Bus is the responsible for the delivering losses in the power system. Download PDF, Electrical Engineering IES Exam Last 10 Year Papers Question 8. material follow below links. 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. How To Set The Operating Time Of The Relay? Which of the following statement is true? 2. Power System Protection â ENEE. POWER SYSTEM PROTECTION QUESTION AND ANSWER PDF; what is torque control in protective relay; Share on. A Definite time over current relay (DTOC) can be adjusted to trip out at a definite amount of time, after it picks up. Underground system is more flexible than overhead system. Though IDMT relays offer significant improvement in fault clearing times over DTOC relays, DTOC relays have their own advantage. # Circuit Breakers and various types of circuit interrupters are used to provide the fault isolation. will help your exams preparation wants more Electrical Engineering study Electrical engineering (MCQ) objective questions and answers for interview, freshers, Students, PSU exam, GATE preparation, IES, competitive exams etc. The protection is organized to provide a ring of security around each and every element of power system. Question 9. Power System Protection 7 Ex: Differential protection, frame leakage protection The systems in which selectivity is relative are non-unit systems. Faults in the 3 P system can be classified under the following :-. study When the AC passed through the conductor the density of the current is not uniform over the cross-section of the conductor, the density of the current is very high near the surface of the conductor and very low at middle this effect is called skin effect. Objective Type Question or MCQ of Power System Protection page-1. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. 1. Power Station is a place where Power is Generated and Transmitted , eg. 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 effect is only in the ac. This E-Books pdf download link Has Been Example: Question 2 (a). Do you have employment gaps in your resume? if it is greater than 1 then load will act as capacitor and starts feeding the source and will cause tripping. It is a network which consists generation, distribution and transmission system. Are you an electrical and electronics engineering graduate willing to work in designing of power system? Ex: current time graded protection, distance protection. So the pickup value of the relay should be more than maximum load. So, crack the opportunity by looking into the Electrical Power system job interview question and answers and roll on to your bright future. 1.7 Basic Principle of Operation of Protective relay Each relay in a protection scheme performs a certain function and responds in a given Power System Protection and Relaying:Question and Answers What is protective relay? B. Question 3. If the adjacent zones do not overlap there will be some portion of the power system which is left out unprotected. you are preparing and searching SSC JE, GATE, IES, GATE Electrical Question Papers with Solution 6 things to remember for Eid celebrations, 3 Golden rules to optimize your job search, Online hiring saw 14% rise in November: Report, Hiring Activities Saw Growth in March: Report, Attrition rate dips in corporate India: Survey, 2016 Most Productive year for Staffing: Study, The impact of Demonetization across sectors, Most important skills required to get hired, How startups are innovating with interview formats. In case of ring main feeder protection . Are you willing to pursue more knowledge in VLSI, control systems, power systems then log on to wisdomjobs.com online site. THERMAL POWER PLANT QUESTION AND ANSWER Q:List the factors to be considered while choosing a site for steam power station: 1.Supply of fuel 2.Availability of water 3.Transportation facilities 4.Cost and type of land 5.Nearness to load centres 6.Distance from populated area Question 17. Previous Article Why Starting Current of Induction Motor is High. Fuses are burned at the time of over current flows in the circuit but breakers are just open (not burn) at the time of over current flow. A:Power factor is the ratio of true power to apparent power. The relay should allow normal load as well as a certain degree of overload to be supplied. 10 All the Rights On This Book Belongs To 15 signs your job interview is going horribly, Time to Expand NBFCs: Rise in Demand for Talent, Electrical Power System Interview Questions. Question4: Why does the adjacent zones of protection overlap? Ltd. Wisdomjobs.com is one of the best job search sites in India. table. provides you power systems transmission and distribution objective questions Question 4. About Higher charging current. 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. Naturally when a fault occurs it is sensed by both the primary and backup protection. Most Important Power System Protection MCQs March 19, 2018 December 26, 2020 admin 0 Comments Electrical Engineering XYZ presents most important power system protection MCQs on important topics including fuses, relays, circuit breakers, machines, motors, transformers, alternator, grounding and protection schemes. material here provides you will help you crack your university exams and also link as soon as possible. Dear Readers, Welcome to Power systems - Generation multiple choice questions and answers with explanation. Consider a primary relay A having operating time of 0.1 sec. Electrical and Electronics Engineering Interview Questions, Electrical Engineering Interview Questions, Network Administrator Interview Questions, Control Systems-Electrical Engineering Interview Questions, Linear integrated circuit Interview Questions, Protection Relay Engineer Interview Questions, Electrical and Electronics Engineering Practice Tests, Control Systems-Electrical Engineering Practice Tests, Business administration Interview questions, Cheque Truncation System Interview Questions, Principles Of Service Marketing Management, Business Management For Financial Advisers, Challenge of Resume Preparation for Freshers, Have a Short and Attention Grabbing Resume. Download. Does chemistry workout in job interviews? Question2: What are internal and external faults? Question 15. No comments . All rights reserved Â© 2020 Wisdom IT Services India Pvt. You The components or various sections of power system may operate at different voltage and power levels. It has to be ideally 1. So, pickup value should be less than the smallest fault current. Thermal power station, Hydel power station, Nuclear power station etc. 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. Best Books for SSC JE Preparation Pre and Mains Exams, 3. Best Books for IES Preparation Stage-1, Stage-2 and Stage-3 Exams, Power System Objective Questions and Answers Pdf Free Download. Question 7. Question 18. Solved examples with detailed answer description, disscussion in forum helps in easy to understand concepts. When Will You Go For Idmt And Dtoc Relays? Explain The Operating Principle Of Dtoc And Idmt Relays? GATE 2021 Syllabus & Pattern, Best books, Previous Resistance grounding system means connecting the neutral point of the load to the ground to carry the residual current in case of unbalanced conditions through the neutral to the ground whereas resistance earthing system is done in an electric equipment in order to protect he equipment in occurrence of fault in the system. An industrial consumer hall a daily load pattern of 2000 KW, 0.8 lag for 12 Hra and 1000 kW UPF for 1J Hr. Therefore, the IDMT relay will not be of much help. Electronics Question Papers Pdf Download. Faults that occur within the zone are termed as Internal Faults and that occur outside the zone of protection are termed as external faults (can also be called as through faults). Contact Electrical4Uâs MCQs are in a wide range of electrical engineering subjects including analog and digital communications, control systems, power electronics, electric circuits, electric machines â and much more. 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. Copyright ©2016–2020 - with Top 4 tips to help you get hired as a receptionist, 5 Tips to Overcome Fumble During an Interview. The minimum voltage at which the breakdown of the insulating properties of air occurs and corona start is called D C V . Have Their own advantage is different Between Resistance Grounding system and Resistance Earthing system primary! Are given below ) 1 domains of power system protection Dr. Mohamad Tawfeeq protective relays What the! Of voltage and power levels, pickup value of the best job search Sites in India Substation to! To Publisher of these Books CE for silicon transistor a certain degree of overload to be supplied circuit. Used in only one time but Breakers are used to Make the Reactive. 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