Learn what a Power System is, and the basics of Electrical Power Systems. Cyber Security Interview Questions and Answers Q1) Define Cybersecurity? Interview question for Management Trainee in Greater Noida.basic questions from power electronics, power system protection and machines Here For You During COVID-19 NEW! Again, assume that the A phase cur- rent is at 0°. POWER-SYSTEM PROTECTION 15.3 2. Hive Interview Questions ; Datastage Interview Questions; Oracle Warehouse Builder Interview Questions; Tableau Interview Questions; Apache Storm Interview Questions; Business Intelligence :- More Interview Quetions; Support. A power transformer usually has one primary and one secondary, and one input and output. 83. A SIMPLE explanation of an Electrical Power System. 13. point A in this case. Highly-cited researchers. Electrical Engineering Objective Questions MCQ with Answer Free Pdf Download. You could mention: punctuality, work ethic, team-working skills, interpersonal skills. In this topic you will find the most common Questions and the Model Answers that you may expose to in your Interview for a Planning Engineer Position. We will go on adding questions, till we reach 100 and may be we will add more than 100. Electrical Engineering Interview Questions ; Question 25. How can you relate power engineering with electrical engineering? ups is also two types : on line and offline . By . Electrical Power System Interview Questions ; Question 16. What Are The Main Equipments And Accessories Used For Substation? 1) What is / are the main disadvantage of using oil as the quenching medium in the circuit breakers? HR Interview Questions; Computer Glossary; Who is Who; Electrical Safety - Quick Guide. either by direct strokes on the equipment or by the strokes on the transmission lines that reach the equipment as travelling waves. Describe the skills and competencies that make you a perfect fit for the role, advises Kim Whitfield, head of resourcing at M&S. In this post provide you latest and updated 2018 Electrical MCQ Objective Questions with answer which are help for preparation all electrical engineering exams like GATE, IES, JTO, PSUs, RRB JE/AEN, RRB loco pilot and technicians, SSC JE, DMRC, LMRC, ISRO and other state level engineering exams. Question #1. What is a System? 4. Questions (27) ... Power System Protection. The circuit has an A phase to ground fault on the line, with fault current magnitude of 9000 A. What is protective relay? Building âAâ is supplied with 120/240 volt single-phase power from building âBâ on the same property. We have planned to give you 100 Interview Questions on Power Transformer. Double end fed power system 2. BPO & â¦ Cybersecurity refers to the protection of internet-connected systems such as software, hardware, electronic data, etc., from cyber attacks. An example of a Power System is the Electrical Grid that provides power to homes and industry within an extended area. The radial system is employed only when power generated at low voltage and substation is located at the center of the load. And electrical engineering & electronics engineering ?
Answer:uninterrupt power supply is mainly use for short time . online ups having high volt and amp for long time backup with with high dc voltage.but ups start with 12v dc with 7 amp. b. SECTIONS. Review a list of frequently asked Electrical interview questions for electrical graduates. Frequently asked interview questions with answers under the subjects like electrical machines,Transmission and distribution,Power electronics and some general basic questions. Overfluxing protection is recommended for (a) distribution transformer (b) generator transformer of the power plant (c) auto-transformer of the power plant (d) station transformer of the power plant Ans: b. generators, transformers etc.) Device drivers are also a piece of software that considered mandatory to run the hardware components in the system. Low power factor means losses will be more.it is the ratio of true power to apparent power. Name the latest computer processors? Power System Protection and Relays Questions & Answers . Answer: Eletro-mechanical relays operate by two principles. Ans : In the power system sometimes a very temporary nature of fault persists for a short period of 2 or 3 seconds and after which the fault is automatically cleared. Electro-magnetic attraction and electro-magnetic induction. Previous Article Why Starting Current of Induction Motor is High . Answer: When the fault occurs relay operates and close the trip coils and circuit breaker operates and open the contacts subsequently and fault is cleared. In a computing text, it is referred to as protection against unauthorized access. 84. I A 75 A I B 0 A I Power transformers generally operate at nearly full â load. The power system is responsible for the production of electricity with the help of energy such as coal and diesel. Power System Protection Interview Questions 2; Answer: The relays are connected to the power system through the current transformer (CT) or potential transformer (PT). Switchgear protection plays a vital role in modern power system network, right from generation through transmission to distribution end. Q2) What is Cryptography? Interview. Please click on the Red Plus Icon to know the answer. POWER ranks among nationâs top design firms Leading industry magazine Engineering News-Record has ranked POWER Engineers Incorporated (POWER) among the top 100 engineering design firms in the country for the 15th year in a row. What Is Called Mobile Substation? Find the phase and residual relay currents. Power Systems (Switchgear & Protection) Expected MCQ PDF 1 For Coal India Limited (CIL) MT Exam 2017 . State the difference between generator and alternator 3. A distribution transformer may have one primary and one divided or âTappedâ secondary, or two or more secondaries. Explain differential protection? 1. 5. A. Electrical Q & A. Previous Page. Need periodical replacement. Obviously the distributor is fed at one end only i.e. ET Prime Women Leadership Awards. We have to â¦ Electrical Interview Questions & Answers visit www.eeekenya.com Page | 1 ... Power factor should be high in order to get smooth operation of the system. ETRise Top MSMEs. I was asked a number of questions from more basics such as frequency of electricity network in the UK to more daunting like loosing a big generation in the network and the available time to act (with regard to system's inertia). The lightning surges may cause serious damage to the expensive equipments in the power system (e.g. I was interviewed by two persons. Using Fuse we can protect the power supply against over current. Answer: Relay time is the interval between the occurrence of the fault and the closure of the relay contacts is called relay time. Harikesh Yadav March 10, 2017 EE MCQ PDF, General. To maintain continuity of supply the breaker should not trip in such condition.  How to provide Over current protection in a power supply? 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. Single end fed system of parallel feeders 3. Home » Power System Protection and Relays Questions & Answers. c. Possibility of causing fire hazards. This interview question for technical support tests your knowledge and if you updated with the latest technological trends. This is most general interview question related to power supply. Open Up India. Answer : The substation, which is created for temporary requirements of mainly construction purposes, is called mobile substation. Why AC systems are preferred over DC systems? The power system consists of a three-stage network â generation, distribution, and transmission. Electrical Power System Interview Questions ; Question 24. means according to ups VA it gives backup. This year, POWER was named the number 3 firm in the power â¦ Next Article Transformers Questions â¦ Power System Protection and Relays 2 What is Relay Time? Jobs It has to be ideally â¦ ET Power Talks. Explore the latest questions and answers in Power System Planning, and find Power System Planning experts. Varuni Khosla & Brinda Dasgupta, ET Bureau Last Updated: Jun 11, 2016, 05:00 PM IST. To know the answer in detail, click on the link given in the answer. Advertisements. Letâs start. Differential protection is based on the fact that any fault within an electrical equipment would cause the current entering it, to be different, from that leaving it. These questions are basics and any candidate should possess basic knowledge of these aspects. Ring main feeder system. Aside from the fact that most of these are silly questions for a technical job interview, the answer provided to your second question is just plain wrong. Electrical Safety - Power System . How to answer. Planning Engineer team reviewed questions and answers to remove duplicated ones, added more explanations and graphs to the answers, and produce the final product in a good shape. Q. SAS Interview Questions; Computer System Analyst (Software) Interview Questions; DATA ANALYTICS :- More Interview Questions; Business Intelligence. power systems relay questions; power system protection question and answers pdf; protective relay and circuit breaker interview question; protective relay isolation; POWER SYSTEM PROTECTION QUESTION AND ANSWER PDF; what is torque control in protective relay; Share on. Great Manager Awards. 3 Electrical machines and Power Systems 8 or 9 questions 4 Electronics 8 or 9 questions 5 Fundamentals of Communication 8 or 9 questions 6 Control System Fundamentals 8 or 9 questions Total 50 questions. Air blast circuit breakers for 400 kV power system are designed to operate in (a) 100 microsecond (b) 50 millisecond (c) 0.5 sec (d) 0.1 sec Ans: b. What are different types of principles of operation of electro-mechaical relays? Kuwait Society Of Engineers 2018 Fundamentals of Electrical Circuits: - Circuit variables and elements - Circuit laws and simple resistive circuits - Inductance and Capacitance - â¦ 2. Risk of formation of explosive mixture with air. 1.Why star delta starter is preferred with induction motor? As with all challenging interview questions, an employer will observe your voice and body language, since theyâll indicate how well you cope under pressure. Ans. Therefore, breaker should be able to carry high current safely for some for some specified period during running i.e. Each year, ENR ranks the top 500 design firms in the United States based on annual revenues. d. â¦ What is fault clearance time? This is starting question and the interviewer will go in depth in each section. Figure shows a single line diagram of a radial system for a DC distribution where a feeder OC supplies a distributor AB at a point A. Electrical Engineering interview questions and answers: Part 1 Part 2 Part 3 Part 4 Part 5 Part 6. In India, industry uses 415 Volts 3 phase AC power at 50 Hz. 13 interview questions that can decide your future. 13 interview questions that can decide your future. â¦ Next Page . Business News âº Jobs âº 13 interview questions that can decide your future. 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