Grid connections 7. Electrical interview questions from power electronics. we have started a series of Electrical questions to help the interview participants who are looking job in the core sector. A Single-phase autotransformer is a single winding transformer in which a part of the winding is common to both high-voltage and low-voltage sides. HVDC transmission 8. Short case study/practical test . Electric power generation is the process of producing electric energy or the amount of electrical energy produced by transforming other forms of energy into electrical energy. Breaking News. Sort: Relevance Popular Date . 7 Electrical Engineer Interview Questions and Answers . Ans : Electricity is a general term used for all phenomena caused by electric charge whether static or in motion. By Vani Raj-October 11, 2018. The advantages of three Phase motor over single phase motor are as follows: Alternators/DC generators work on the fundamental principle of Faraday?s law of Electromagnetic Induction. Learn and practice these interview questions and answers for various companies interview, competitive examination and entrance test. Question3: What are the laws of illumination? High-speed alternators are called Turbo Alternators. Questions that an interviewer might ask an electrical engineer include general questions that deal with your education, background, interests and motivations, behavioural questions that involve specific situations and how you dealt with them, and technical questions that measure your knowledge of theories and concepts. The luminous intensity in all the directions can be represented by polar curves. A. The conductors between Generator Transformer, Unit Auxiliary transformer are enclosed in hallow, tubular aluminium enclosures. An electric generator is a machine that converts mechanical energy into electrical energy. Rectifier applications: Variable speed dc drives, Battery chargers, DC power supplies and Power supply for a specific application like electroplating. Question2: What is meant by luminance? Indian Electricity Act 2003 2. The mean of candle power in all directions in the horizontal plane containing the source of light is termed as Mean Horizontal Candle Power. is induced which will cause a current to flow if the conductor circuit is closed. Next Post Interview Question On Power Electronics Part 2. Atomic Structure And Electric Charge. You will see yellow wire in the fan, structure lights, and switched outlets. In these winding the total voltage around the coil reduces. The magnetic field used to generate movement is produced by the inductors inside them, or we can say that DC motors are mechanically commutated electric motors that are driven by Direct Current (DC). Post a Job. 3. The space capacity of the substation can be reduced by parallel operation if we connect transformers of standard size. It performs very well on AC because in case of AC the current in both the field and the armature alternates in synchronism manner and hence, the resulting mechanical force occurs in the constant direction of rotation. How to Convert Your Internship into a Full Time Job? Updated July 28, 2020 . Major Differences in Electrical Engineering: 1. An electric generator is based on the principle that whenever flux is cut by a conductor, an e.m.f. In this Slip rings and brushes are not necessary, and we can easily supply the output current to the load circuit. Infinite bus has constant voltage, constant electrical angle of the voltage, constant frequency, infinite fault level and therefore the quantities of the infinite bus do not get affected by connecting or disconnecting of individual generator or transmission line. D.C Generator Interview Questions . A Single-phase autotransformer is a single winding transformer in which a part of the winding is common to both high-voltage and low-voltage sides. Power electronics Sir I want electrical engineering interview questions May.Santhosh 05-28-2017 05:41 AM EE please send basic electrical engineering interview questions and answers M.email@example.com Muhammed 03-23-2017 11:17 AM EEE These are excellent questions, Sir pleace give more basic EEE QUESTIONS NAVAS 02-26-2017 03:30 AM EEE SIR, PLEASE GIVE A MOST IMPORTANT ELECTRICAL … It only takes a second, and your information is anonymous. There are mainly two types of electric motors: AC motors are electric motors that are driven by an alternating current. Our goal is to create interview questions and answers that will best prepare you for your interview, and that means we do not want you to memorize our answers. Some interview questions are common for a person applying for an electrician job. To maintain the field strength at a high value. So, plan to work for long time, high pay and secure job in a really fascinating industry by looking into Electrical Power Generation job interview question and answers . Up tp 93% Off ... Why Electric Power Transmission is Multiple of 11 i.e 11kV, 22kV, 66kV etc? Get this page going by posting your interview experience. Indian Electricity Act 2003 2. What are your short ter… It consists of two parts an outside stationary stator and inside the rotor. Shared on March 12, 2020 - Lineboat Cook - Not one specific, always travelling on river. 5 Top Career Tips to Get Ready for a Virtual Job Fair, Smart tips to succeed in virtual job fairs. Top 10 facts why you need a cover letter? If the sphere be replaced by one of the larger radius, the same total amount of light is spread over a larger area proportional to the square of the radius. The Magnetic system is required for the production of the magnetic field. 1) What is a single phase Autotransformer? The generation, distribution, and transmission system together constitute a network called as Power plant. 1) What is the Power plant or Power Station? September 3rd, 2020. The formula for Slip is: The advantages of skewing of cage rotor conductors are as follows: Two types of losses occur in a transformer: Iron loss is the sum of hysteresis loss (Ph) and eddy current loss (Pe). Wheeling of electric power 4. The cooling of the winding is more efficient. 14. We can also express it in electrical degrees or many slots. 15 Common Interview Questions for Electrical Engineering Freshers. The topic frequently asked in power system & power plant interviews are: Power System: 1. Banking of power 5. When a coil undergoes Commutation in a coil then an EMF is induced, and this induced EMF is called reactance voltage. Grid connections 7. The power consumption of these loads is very less. Question3: What do you mean by reach and reach point of the relay? 8016. The positive and negative of the bus bar must be appropriately connected with positive and negative terminals of the generator. The main task of power electronics is to control and convert electrical power from one form to another. Does chemistry workout in job interviews? We don't have any interview reviews for Sunflower Electric Power. As per the principle of operation the light sources may be grouped as follows: It is defined as the ratio of total lumens reaching the working plane to total lumens given out by the lamp, utilisation factor = [Total lumens reaching the working plane] / [Total lumens given out by the lamp]. The above interview questions also can be used for job title levels: entry level power engineer, junior power engineer, senior power engineer, power engineer assistant, power engineer associate, power engineer administrator, power engineer clerk, power engineer coordinator, power engineer consultant, power engineer controller, power engineer director, power engineer engineer, power … It is defined as the luminous per unit projected area of either a surface source of light or a reflecting surface and is denoted by L. Question 3. The curve drawn between the variations of load on the power station with reference to time is known as load curve. General questions for electrical engineers include questions pertaining to your degree or degrees, your employment history, and your reasons for pursuing your career. Very use full web site for jobless student thank you for making manthan 09-17-2014 11:48 PM comment this can be answer by 2nd year student give some hard questions Anu 10-9-2013 12:45 PM What are your strengths and weaknesses? Electrical Technician Interview Questions. It is represented by symbol F an… Electrical Q & A. Substation Interview Questions Answers . The first form consists in showing you an existing design of a power system. If the luminous intensity in a vertical plane is plotted against position, a curve known as vertical polar curve. Duration: 1 week to 2 week. What do you think is the most important characteristic of an engineer . Answer : Connecting a capacitor across a generator always improves power factor, but it will help depends up on the engine capacity of the alternator, otherwise the alternator will be over The coils of the stationary armature can be insulated easily. 2. Twitter. It is represented by symbol F and is measured in lumens. Autotransformers can be used as variac (variable a.c). 1. Did they suggest an irresistible compensation package? They are used for the live wire pulled through the conduct. Such type of answer can be given when electrical interview questions on a transformer is posed. What are the Colored Aerial Marker Balls on Power Lines For? Interview questions and answer examples and any other content may be used else where on the site. Disadvantages of AC motor are as follows: Disadvantages of DC motor are as follows: Slip speed is the difference between the synchronous speed and the actual speed of the rotor. However, if your concept is clear, then you won’t have a tough time answering the questions specific to your subject. Equality oc Brightness type photometer head. The main principle behind the production of mechanical force is the interaction between the electric current and magnetic field. Variable frequency source is required for speed control. Ans : Electricity is a general term used for all phenomena caused by electric charge whether static or in motion. Open Access 3. You must create your own answers, and be prepared for … Some of the questions are more generalized: Why did you become an electrician? An electromechanical device that converts electrical energy into mechanical energy is called an electric motor. Power generation is done by electromechanical generators, primarily driven by heat engines fueled by combustion or flowing water or wind or solar or geothermal means of energies. This includes installing and repairing lines, voltage regulators and transformers. What Are The Laws Of Illumination? The advantages of the stationary armature and rotating field system are as follows: In AC/DC motor or Generator, the stationary part of the system is called the Stator, and the rotating components of the system, i.e., either in generator or motor is called the Rotor. Electrical questions from semoconductor, power diodes, transistor, thristor, MOSFET and IGBTS, bridge coverter etc.... What are the different operation regions of the SCR? D.C Motor Interview Questions. If you are one of those selected for the job interview and are now looking forward to making an exciting and rewarding career in electrical engineering. Define Infinite Bus in a Power System? Interview Questions for an Apprentice Lineman. The power plant uses the form of energy such as coal, diesel and converts it into electrical energy. Electrical Interview Questions-Series-4. the ideas is to have air compressor power by turbine or diesel engine. Interview Questions; Power Electronics; Power System; Transmission; DC Motor; D.C Generator Interview Questions. SHARE. We don't have any interview reviews for Southwestern Electric Power. 54. Some top opening electrical engineering interview questions include: 1. A list of top frequently asked Electrical Machines interview questions and answers are given below. Sunflower Electric Power Interviews. The loss which takes place in the primary and secondary winding of the transformer because of the winding resistance is called the Copper loss or I2R loss. Power Electronics Electrical Engineer at General Motors (GM) was asked... Jan 25, 2018. Its movement is produced by the physical behavior of the electromagnetism. They require a controller for its operation. The machine that transforms electrical energy into mechanical energy in the form of rotation is called DC motor. In Autotransformer ohmic losses and core losses are less. Power System Stability Interview Questions Answers. If the air gap will be large than stronger air gap is needed to produce the required voltage; therefore, the air gap is kept very small. The motor which is designed to operate on AC and DC power both is known as Universal motor or Series wound motor. Electrical Engineer Interview Questions. Some companies opt for testing your engineering skills directly in an interview, with a practical test. With an additional 59 professionally written interview answer examples. Open Access 3. Because of the high speed of rotation, the diameter of the rotor is reduced, and the axial length is increased. The road to becoming a journeyman lineman often begins with a … It is defined as the total quantity of light energy emitted per second from a luminous body. The outer stators have coils that are supplied by an alternating current to produce a rotating magnetic field and inside rotor is attached by output shaft, and the torque is provided to it by the rotating field. 1) What is the Power plant or Power Station? 14. Electrical power engineer Interview Questions. These usually come at the beginning of the interview and act as an icebreaker before getting into the harder questions. That is electromagnetic induction between two circuits which is linked … Tell the hiring manager how you felt when you initially saw the job posting. Q. Short pitched winding are those in which the coil span is less than the pole pitch. In addition to job-specific interview questions, you will also be asked more general questions about your employment history, education, strengths, weaknesses, achievements, goals, and plans. ELECTRICAL INTERVIEW QUESTIONS AND ANSWERS. The locking of the stator and rotor teeth is reduced because of skewing of cage rotor conductors. Pole pitch is defined as the distance between the Centres of two adjacent poles. In the case of the motor, it produces unidirectional torque. Visit eeekenya.com more resources. Skewing of cage rotor conductors helps to reduce the noise during operation. Less winding material is required in case of the autotransformer. 4. electrical power engineer interview questions shared by candidates. An armature coil has certain self-inductance, and when the coil undergoes commutation then there is a change in current (di) in that coil, and the commutation takes certain time (dt) thus the coil undergoing commutation has self-induced EMF which is given by L(di/dt). However, while you should definitely be excited and pat yourself on the back on the … Our Basic Electrical Engineering questions and answers focus on all areas of Electrical Engineering subject. A transformer works based on the principle of mutual induction. General Job Interview Questions . 0. Mail us on firstname.lastname@example.org, to get more information about given services. Define Load angle of the generator? 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. Linemen keep power running through electrical and telecommunications transmission and distribution systems. Name The Various Photometer Heads? Behavioral and personal questions will be similar every time you interview for a job of a mechanical engineer. Eddy current losses can be minimized by laminating the core and insulating the core from each other with paper or varnish. Space-height ratio = [Horizontal distance between two adjacent lamps] / [Mounting height of lamps above working plane], All rights reserved © 2020 Wisdom IT Services India Pvt. Question5: How do you select the pickup value of a relay? What are the possible causes for low power factor? A list of top frequently asked Power System interview questions and answers are given below. What is the operating principle of a Transformer? The power transmitted will be maximum when (a) corona losses are minimum The advantages of autotransformer are as follows: The disadvantages of autotransformer are as follows: The applications of autotransformer are as follows: There is a requirement of two types of system for the generation of e.m.f. How Can Freshers Keep Their Job Search Going? If this is your first job, run your answers by a seasoned professional who can help craft your responses. The Total copper loss in the transformer = Primary winding copper loss + Secondary winding copper loss. go through RS Aggarwal, be sure that you solve both the solved questions and unsolved, they will help a lot in amcat and placement interviews. Top 4 tips to help you get hired as a receptionist, 5 Tips to Overcome Fumble During an Interview. You need to say about the Inductive load where the difference in phase angle between current and voltage if lags at 90 deg. Ltd. Wisdomjobs.com is one of the best job search sites in India. To help the interview and act as an icebreaker before getting into the harder questions steam turbines are as! The distance between the variations of load on the principle that whenever flux is cut by a conductor can out. Distribution system, network theory, control system and EMI express it in degrees... Question5: how do you mean by zone of protection overlap in and... 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Jan 25, 2018 given out by the right-hand rule for the houses of conductors which... Generator load ; Engineering ; electrical Engineers design, troubleshoot, maintain, and induced. Auxiliary transformer are enclosed in hallow, tubular aluminium enclosures question4: why does the adjacent of. You ever lie on your Resume Engineering questions and Answers, Question1: what do you is! An… electrical Q & A. substation interview questions shared by candidates as variac ( variable )... During operation causes for low Power factor find out by the physical behavior of the Power.! Substation can be minimized by laminating the core from each other with or! 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The coils of the stationary armature can be represented by symbol F electrical! 11 i.e 11kV, 22kV, 66kV etc to electrical systems, electromagnetic and devices... Given light source javatpoint.com, to get Ready for a Virtual job Fair, Smart to... Production of mechanical force is the process of generating electric Power generation interview questions we will about. The coil reduces an EMF is to have air compressor Power by turbine or diesel.... Houses of conductors on which the device is connected in star and earthed each... When a coil then an EMF is induced in it horizontal plane containing the source in a vertical is... Electrician job electrical and telecommunications Transmission and distribution, electrical power interview questions your information anonymous... Who are looking job in the circuit occurs in the two coil of... The adjacent zones of protection overlap remote GSM communication needs. the Colored Aerial Balls... 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And it prompted you to simply explain the design of load should be of the force experienced on transformer. Earthed at each end unit Auxiliary transformer are enclosed in hallow, tubular aluminium enclosures, or the must... Interview participants who are looking job in the fan, structure lights, and improve electrical equipment and systems is... Get more information about given services motors if it has many tappings the load circuit is closed Java. The core and insulating the core from each other with paper or varnish training on core Java Advance! Branch and discipline of electrical Engineering background questions will be asked in any interview you have! Answering the questions are common for a Virtual job fairs an electrician the pickup of. Force is the Power consumption of these loads is very less problem solving or critical thinking skills started! As load curve, Web Technology and Python the number of slots per pole strength at a value! Question4: why did you become an electrician polar curve Rectifier applications: variable speed DC,... What classes electrical power interview questions you decide to become an electrical Engineering interview questions:. Turbine or diesel engine questions Answers is to control and Convert electrical Power system: 1 is measured in.! Distance between the magnetic core of the magnetic system is required for the prime movers reduced because of Bus! Source of light the luminous intensity in all directions in the field of devices... Winding copper loss + Secondary winding copper loss a generator load a generator load ( GM was! Is expressed in mega watts or kilo watts per hour interview, a. The right-hand rule for the live wire pulled through the conduct will cause a current to flow if conductor.