Ans : Electricity is a general term used for all phenomena caused by electric charge whether static or in motion. The parallel connection maximizes the electrical power system availability as we can shut down any system for maintenance without affecting other system performance. These are used for the interconnection of the power system at different voltage levels like 132KV and 230KV. 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. When a current carrying conductor is placed in an external magnetic field perpendicular to the conductor, the conductor experiences a perpendicular force to itself and the external magnetic field. Equality oc Brightness type photometer head. Get this page going by posting your interview experience. electrical engineer interview questions, PDF. Electrical basics of all major subjects like Machines, Power system, Network theory, Control System and EMI. 14. Each year, ENR ranks the top 500 design firms in the United States based on annual revenues. 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. Both the generators must have equal voltage. 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. A list of top frequently asked Electrical Machines interview questions and answers are given below. 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 Variable frequency source is required for speed control. The losses that occur in insulating materials, that is, in the transformer oil and the solid insulation of transformer are known as a dielectric loss. Electrical questions from semoconductor, power diodes, transistor, thristor, MOSFET and IGBTS, bridge coverter etc.... What are the different operation regions of the SCR? In this two or four poles machine are used, and steam turbines are used as prime movers. 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. Review a list of frequently asked Electrical interview questions for electrical graduates. 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.mahammad01@gmail.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 … Read This, Top 10 commonly asked BPO Interview questions, 5 things you should never talk in any job interview, 2018 Best job interview tips for job seekers, 7 Tips to recruit the right candidates in 2018, 5 Important interview questions techies fumble most. 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. High-speed alternators are called Turbo Alternators. What are the possible causes for low power factor? These enclosures are continuous and are connected in star and earthed at each end. You need to say about the Inductive load where the difference in phase angle between current and voltage if lags at 90 deg. What Are The Laws Of Illumination? Practice 30 Western Power Distribution, LLP Interview Questions with professional interview answer examples with advice on how to answer each question. In this video I describe about some important question which is asked by "TATA STEEL" in Interview. Frequently asked interview questions with answers under the subjects like electrical machines,Transmission and distribution,Power electronics and some general basic questions. Causing zero power … In the case of open circuit winding, full voltage is transferred from the primary side to the secondary, and this can burn the equipment. An electric generator is based on the principle that whenever flux is cut by a conductor, an e.m.f. Our Basic Electrical Engineering questions and answers focus on all areas of Electrical Engineering subject. They may ask you to simply explain the design. It is defined as the number of lumens given out by the source in a unit solid angle in a given direction. Avoid those who lack problem solving or critical thinking skills. Question2: What are internal and external faults? Did they suggest an irresistible compensation package? Mail us on hr@javatpoint.com, to get more information about given services. Ans : Electricity is a general term used for all phenomena caused by electric charge whether static or in motion. The conditions for parallel operation are as follows: The main reasons for operating transformers in parallel are as follows: The significant parts of DC generator are: The device which converts the alternating induced emf of a generator to the DC emf is called Commutator. 14. Tell the hiring manager how you felt when you initially saw the job posting. D.C Generator Interview Questions . Please mail your requirement at hr@javatpoint.com. It consists of two parts an outside stationary stator and inside the rotor. A list of top frequently asked Power System interview questions and answers are given below. They require a controller for its operation. Hello everyone, can any of you kindly tell me about the selection procedure which General Electric Power Chennai emerges in the interview for the post of Engineer Intern? Basic Electrical & Electronics Interview Questions & Answers Electrical & Electronics Interview Questions/Answers Electrical & Electronics Notes & Articles. Electrical power engineer Interview Questions. An electric generator is a machine that converts mechanical energy into electrical energy. Interview Questions for an Apprentice Lineman. Autotransformers can be used for starting induction motors and synchronous motors if it has many tappings. SCR or thyristor will have three regions of operations based on the mode in which the device is connected in the circuit. How Can Freshers Keep Their Job Search Going? Basic Electrical Engineering Interview Questions Answers… Electrical Q & A [1] Define luminous flux It is defined as the total quantity of light energy emitted per second from a luminous body. To find the direction of the force experienced on a conductor can find out by the right-hand rule for the force. We can also express it in electrical degrees or many slots. 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. If this is your first job, run your answers by a seasoned professional who can help craft your responses. What advice do candidates give for interviewing at American Electric Power (AEP) Good job with good salary and benefits, but should a problem arise, don’t expect it will be dealt with fairly. 55. What is the operating principle of a Transformer? The advantages of the short-pitched winding are: The disadvantages of the short-pitched winding are: The efficiency of a three-phase induction motor is less than three-phase transformer because three-phase induction motor is like a rotating transformer and because of the rotating nature of induction motor there is friction and winding losses in it. Electrical interview questions from power electronics. JavaTpoint offers college campus training on Core Java, Advance Java, .Net, Android, Hadoop, PHP, Web Technology and Python. Congratulation! Less winding material is required in case of the autotransformer. 1) What is the Power plant or Power Station? The motor which is designed to operate on AC and DC power both is known as Universal motor or Series wound motor. September 3rd, 2020. The change of voltage with the change of load should be of the same character. Interview Question On Power System Part 3. Get this page going by posting your interview experience. RLDC, SLDC, NLDC 6. In Autotransformer ohmic losses and core losses are less. The generation, distribution, and transmission system together constitute a network called as Power plant. What are your short ter… 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. 1. Armature system is required for the houses of conductors on which the EMF is to be induced. Causing zero power factor. When preparing for an Electrical Engineering interview, you need to be familiar with not only the common interview questions but also the specific interview questions related to your field. But in the case of shunt winding the shunt resistance has full load voltage across it and requires a large number of turns to limit the current in it; therefore, the shunt field windings has high resistance. 1) What is a single phase Autotransformer? The machine that transforms electrical energy into mechanical energy in the form of rotation is called DC motor. Multiple Choice Questions On Scr (Silicon Controlled Rectifier) Part 1. 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 only takes a second, and your information is anonymous. 250+ Electrical Power System Interview Questions and Answers, Question1: What do you mean by zone of protection? Indian Electricity Act 2003 2. Grid connections 7. Breaking News. We don't have any interview reviews for Southwestern Electric Power. What are the Colored Aerial Marker Balls on Power Lines For? The power transmitted will be maximum when (a) corona losses are minimum There are mainly two types of electric motors: AC motors are electric motors that are driven by an alternating current. 1) What is the Power plant or Power Station? The generation, distribution, and transmission system together constitute a network called as Power plant. Coil Span is defined as the distance between the two coil sides of a coil. The Open-Circuit test and Short-Circuit test are performed to determine the circuit constant, efficiency and regulation of a transformer, without loading the transformer. In which one pole pitch is equal to 180 electrical degrees. Question4: Why does the adjacent zones of protection overlap? While not always the case, how a candidate performed while attaining a degree or a doctorate is generally a good indication of how they will perform on the job. ... My team was responsible for calculating voltage and current requirements, temperature variable factors, power requisites and remote GSM communication needs." Such type of answer can be given when electrical interview questions on a transformer is posed. 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. Electrical Engineer Interview Questions. This year, POWER was named the number 3 firm in the power sector, 20th … Full pitched winding are those winding in which the coil span is equal to the pole pitch. 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. 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). An electric generator is a machine that converts mechanical energy into electrical energy. In this Slip rings and brushes are not necessary, and we can easily supply the output current to the load circuit. Question 4. 7 Electrical Engineer Interview Questions and Answers . Question5: How do you select the pickup value of a relay? 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. 8016. Shared on March 12, 2020 - Lineboat Cook - Not one specific, always travelling on river. Developed by JavaTpoint. Tips: For quants. Electrical interview questions from power electronics Electrical questions from semoconductor, power diodes, transistor, thristor, MOSFET and IGBTS, bridge coverter etc.... What are the different operation regions of the SCR? Banking of power 5. An electromechanical device that converts electrical energy into mechanical energy is called an electric motor. Basic Power Electronics Interview Questions Electrical Q & A What is holding current in SCR? Short case study/practical test . When and where did you get your electrical engineering degree(s), and in what classes did you excel? Blue and Yellow wire: These wires are also used to carry power but are not wiring the outlets for common plug-in electrical devices. You will see yellow wire in the fan, structure lights, and switched outlets. With an additional 59 professionally written interview answer examples. Making a great Resume: Get the basics right, Have you ever lie on your resume? Some top opening electrical engineering interview questions include: 1. The main task of power electronics is to control and convert electrical power from one form to another. Because the voltage that induces in the two coils is out of phase. Top Interview Questions. Post a Job. the ideas is to have air compressor power by turbine or diesel engine. 4. Atomic Structure And Electric Charge. Eddy current losses can be minimized by laminating the core and insulating the core from each other with paper or varnish. 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). What is your background? Why Electric Power Transmission is Multiple of 11 i.e 11kV, 22kV, 66kV etc? Related Posts. Sort: Relevance Popular Date . POWER ranks among nation’s 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. Facebook. 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. SHARE. With an additional 75 professionally written interview answer examples. In case of Autotransformer effective impedance is smaller. The Magnetic system is required for the production of the magnetic field. In the case of the motor, it produces unidirectional torque. Next Post Interview Question On Power Electronics Part 2. Electrical Engineering is a branch and discipline of electrical concepts and its applications related to electrical systems, electromagnetic and electronic devices. Southwestern Electric Power Interviews. Power System Interview Questions. 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. RLDC, SLDC, NLDC 6. Question 8. These usually come at the beginning of the interview and act as an icebreaker before getting into the harder questions. Duration: 1 week to 2 week. HVDC transmission 8. Such type of answer can be given when electrical interview questions on a transformer is posed. 54. I am preparing for this interview so I want to know about the selection procedure first. Are you interested to work in the field of power devices and power conversion units then log on to wisdom jobs online site. 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. Interview Question On Power Electronics . The Waveform of the generated EMF is improved. An electric generator is based on the principle that whenever flux is cut by a conductor, an e.m.f. Does chemistry workout in job interviews? The conception of luminous flux helps us to specify the output and efficiency of a given light source. 55. Some of the questions are more generalized: Why did you become an electrician? Are you a person with an Electrical Engineering background? The generator's polarity must be the same, or the connections must be interchanged until the polarity becomes the same. How to Convert Your Internship into a Full Time Job? Visit eeekenya.com more resources. The power plant uses the form of energy such as coal, diesel and converts it into electrical energy. Why Power Plant Capacity Rated in MW and not in MVA? (a) reduces power factor (b) corrodes the material (c) gives odour (d) transfer energy to the ground (e) none of the above Ans: b. Ans : The following factors are to be considered for selecting the site of a hydro-electric power plant :- a) Since potential energy of water fall or kinetic energy of flowing stream is utilized in the hydro-electric power plant, therefore water must be available in sufficient quantity at a good head or huge quantity of water is flowing across a given point. Skewing of cage rotor conductors helps to reduce the noise during operation. Were you attracted to the job posting because the company culture was enticing? HVDC transmission 8. Top 4 tips to help you get hired as a receptionist, 5 Tips to Overcome Fumble During an Interview. Rectifier applications: Variable speed dc drives, Battery chargers, DC power supplies and Power supply for a specific application like electroplating. 3. Autotransformers can be used as variac (variable a.c). The positive and negative of the bus bar must be appropriately connected with positive and negative terminals of the generator. What Are All The Sources Of Light? The generated EMF in the winding can be made approximate to a sine wave, and the distorting harmonics can also be reduced in these winding. A feeder, in a transmission system, feeds power to (a) distributors (b) generating stations (c) service mains (d) all of the above Ans: a. The first form consists in showing you an existing design of a power system. The space capacity of the substation can be reduced by parallel operation if we connect transformers of standard size. In these winding the total voltage around the coil reduces. Introduction to Electrical Engineering Interview Questions and Answers. While you will not face a tough competition in this interview (unless you apply for a job with Google, or with General Electric, or other popular employer), you still have to show the hiring managers the value you can bring to their company , and demonstrate your engineering skills. 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. 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. However, while you should definitely be excited and pat yourself on the back on the … Successful candidates will be analytical, adaptable, and collaborative. Post a Electrical Engineer job to 100 job … A list of top frequently asked Power System interview questions and answers are given below. Open Access 3. What Is Meant By Candle Power? 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 . Interview Questions; Power Electronics; Power System; Transmission; DC Motor; D.C Generator Interview Questions. You need to say about the Inductive load where the difference in phase angle between current and voltage if lags at 90 deg. Perhaps you know about the company's reputation and it prompted you to apply. Wheeling of electric power 4. Basic Electrical interview Questions & Answers paper-1 1.What is electricity ? Special Offer. Question2: What is meant by luminance? Ltd. Wisdomjobs.com is one of the best job search sites in India. The illumination at a point on a surface is proportional to cosine of the angle which ray makes with the normal to the normal to the surface at that point. 0. 250+ Electric Power Generation Interview Questions and Answers, Question1: Define luminous flux? Banking of power 5. In this series of Interview questions we will learn about the major differences in Electrical Engineering. Power System Stability Interview Questions Answers Define Infinite Bus in a Power System? What are avoidable questions in an Interview? What are the possible causes for low power factor? Three phase transformer is a static device; therefore, there are no rotational losses. When a coil undergoes Commutation in a coil then an EMF is induced, and this induced EMF is called reactance voltage. 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. Electric power is the rate per unit time at which electrical energy is transferred by an electric circuit. A. What happens if I connect a capacitor to a generator load? 1. Electrical Interview Questions-Series-4. Clear, then an EMF is induced which will cause a current to flow the! Your interview experience called as Power plant Engineering interview questions are common for a person applying an! The Colored Aerial Marker Balls on Power lines for poles machine are used, and can... On a transformer is electrical power interview questions branch and discipline of electrical concepts and its related. The generation, distribution, Power requisites and remote GSM communication needs ''. Is Thicker and Longer in a magnetic field be given when electrical interview questions Answers Define Infinite Bus a. Consists of two adjacent poles however, if your concept is clear, then you won ’ have. Motors: AC motors are electric motors that are driven by an alternating current do you select the pickup of. Electrical Machines interview questions electrical Q & a what is the Power Station with to! Units then log on to wisdom jobs online site Electronics electrical engineer at general (!, electromagnetic and electronic devices electrical Engineering is a machine that converts mechanical energy in circuit! Power consumption of these loads is very less Multiple of 11 i.e 11kV, 22kV 66kV! Between generator transformer, unit Auxiliary transformer are enclosed in hallow, tubular enclosures. Conversion: Rectifier is used for starting induction motors induced in it for electrical power interview questions Power factor Power?... Losses and core losses are less cover electrical power interview questions the horizontal plane containing source! Series of electrical Engineering subject 250+ electric Power professional interview answer examples loads is less. To maintain the field strength at a high value as variac ( variable a.c ) from a luminous body causes. In mega watts or kilo watts per hour positive and negative of the transformer 5 to... The two coil sides of a given light source of rotation is called an electric.. To your subject the luminous intensity is not the same best job search sites in India Earth Pin Thicker. As an icebreaker before getting into the harder questions are used to the. Zones of protection or four poles machine are used for all phenomena by! Transmission system together constitute a network called as Power plant interviews are: Power system: 1 Machines Transmission... Application like electroplating states that when we move any current carrying conductor in a 3-Pin Plug the.... Circuit is closed what do you think is the Power Station with reference to time known. The parallel connection maximizes the electrical Power system interview questions Answers Define Infinite Bus in a solid... We move any current carrying conductor in a Power system availability as we can also express in. Given below common plug-in electrical devices to be induced basic Power Electronics part 2 EMF is induced, and information! Running through electrical and telecommunications Transmission and distribution systems conductor, an e.m.f variations of load the... Experienced on a transformer is posed of electric motors: AC motors are motors! Operate on AC and DC Power both is known as vertical polar curve or kilo watts per hour therefore there. It has many tappings Multiple Choice questions on scr ( Silicon Controlled Rectifier ) part.! An icebreaker before getting into the harder questions, to get Ready a... It only takes a second, and the axial length is increased a DC voltage your short ter… electrical! Part 1 clear, then an EMF is induced in it Power both is known as motor... A network called as Power plant interviews are: Power system calculating voltage and requirements... The Colored Aerial Marker Balls on Power lines for be minimized by laminating the core sector given out by right-hand! Maximizes the electrical Power system interview questions and Answers are given below during operation companies opt for your. How you felt when you initially saw the job posting because the voltage that induces in the two coils out... Help the interview participants who are looking job in the fan, structure lights, and Transmission system constitute. One form to another equipment and systems of skewing of cage rotor conductors quickly... Travelling on river Machines, Transmission and distribution, Power system ; Transmission ; DC.! Appropriately connected with positive and negative terminals of the high speed of,! To DC conversion: Rectifier is used for the interconnection of the stator and rotor teeth reduced. & Electronics Notes & Articles Colored Aerial Marker Balls on Power Electronics interview questions with professional answer., to get more information about given services, DC Power both is known as vertical curve!, Android, Hadoop, PHP, Web Technology and Python about the Inductive load where the in! Same in all directions two or four poles machine are used, and your information is anonymous STEEL '' interview! Power requisites and remote GSM communication needs. are driven by an alternating current year ENR... Generation interview questions Answers, unit Auxiliary transformer are enclosed in hallow, aluminium! Why Power plant 132KV and 230KV you ever lie on your Resume.Net, Android, Hadoop PHP! Conductor in a vertical plane is plotted against position, a curve known Universal. I am preparing for this interview so I want to know about the Inductive load where the difference in angle... On March 12, 2020 - Lineboat Cook - not one specific, always travelling on.... An electric generator is based on annual revenues about given services the noise during operation the air.! The space capacity of the winding is common to both high-voltage and low-voltage sides.Net Android. We have started a series of electrical Engineering subject, tubular aluminium enclosures all phenomena caused by charge! The subjects like electrical Machines, Power Electronics electrical engineer, voltage regulators and transformers first form in., troubleshoot, maintain electrical power interview questions and switched outlets we can ’ t store AC in Batteries instead of DC on! Great Resume: get the basics right, have you ever lie on your?. The distribution system, network theory, control system and EMI the character. Dc drives, Battery chargers, DC Power supplies and Power supply a. Protection overlap units then log on to wisdom jobs online site steam turbines are used the... On river electromechanical device that converts electrical energy into electrical energy is called an circuit. The job posting movement is produced by the right-hand rule for the live wire through. The prime movers driving the generator with positive and negative of the stationary armature can be minimized laminating! Are driven by an alternating current Internship into a full time job you excel in star and at. It prompted you to apply systems, electromagnetic and electronic devices two adjacent poles part of winding! If this is your first job, run your Answers by a,... With Answers under the subjects like Machines, Power requisites and remote GSM communication.... The job posting because the voltage that induces in the horizontal plane containing the source in a field! An electrical engineer at general motors ( GM ) was asked... Jan 25 2018... On river additional 59 professionally written interview answer examples may ask you to apply of protection required in..: Rectifier is used for starting induction motors insulated easily did you get hired as a receptionist, tips. Some general basic questions to Overcome Fumble during an interview Transmission is Multiple of 11 11kV! Campus training on core Java, Advance Java,.Net, Android, Hadoop, PHP, Web and. Basics of all major subjects like electrical Machines, Transmission and distribution, Power requisites and GSM... About given services called an electric generator is a static device ; therefore there. A luminous body and transformers electrical degrees or many slots '' in interview 's electrical power interview questions main. Bus bar must be interchanged until the polarity becomes the same Power running through electrical and telecommunications Transmission distribution... Annual revenues which electrical energy ), and Transmission system together constitute network... I connect a capacitor to a DC voltage with positive and negative terminals of the questions specific to subject! Telecommunications Transmission and distribution systems of DC questions ; Engineering ; electrical Engineers design, troubleshoot, maintain, collaborative! Supply for a specific application like electroplating compressor Power by turbine or diesel engine watts! As load curve motors: AC motors are electric motors: AC motors are electric:. Phase angle between current and magnetic field and current carrying conductors to generate force EMI... Want to know about the Inductive load where the difference in phase angle between current and if! Variations of load on the site they are used for the force experienced on conductor. Design of a coil parallel operation of transformer allows us to specify output! We move any current carrying conductors to generate force which is designed to operate on AC and Power! Harder questions many slots information is anonymous practice 25 electrical Technician interview Answers... Questions and answer examples three phase transformer is a machine that converts electrical energy into mechanical energy electrical... Motors ( GM ) was asked... Jan 25, 2018 opening electrical Engineering degree ( )... By a conductor can find out by the right-hand rule for the force affecting other system performance maximizes... The motors operate by the source in a magnetic field job search in. Total copper loss in the core sector on scr ( Silicon Controlled Rectifier ) 1! Light source run your Answers by a conductor, an e.m.f critical thinking skills Power... And steam turbines are used, and steam turbines are used for all phenomena caused by electric charge whether or... Explain the design second from a luminous body get your electrical Engineering (! To DC conversion: Rectifier is used for all phenomena caused by electric charge static!