|Electric Circuit 1/ EPE 220|
Introduction to circuit variables, circuit elements and simple resistive circuits. Steady state techniques of the circuit including Nodal voltage method, mesh-current method, source transformation, Thevinen and Norton equivalents, maximum power and superposition. Introduction to inductance and capacitance. Transient analysis including natural and step responses of RL, RC and RLC circuits. Introduction to operational amplifiers and their applications.
|2016-2017/ second, 2017-2018/ summer, 2017-2018/ winter, 2018-2019/ summer, 2019-2020/ winter, 2019-2020/ summer |
|Electric AC Machine/EPE 452|
This course covers the synchronous generators: construction, speed of rotation, equivalent circuit and phasor diagram, power and torque equations, estimation of synchronous generator circuit parameters, parallel operation of synchronous generators. Synchronous motors: motor starting, equivalent circuit, motor operation, and synchronous condenser. Induction motors: construction and concepts, equivalent circuit of an induction motor, power and torque equations, torque-speed characteristics, speed control of induction motors, determining circuit model parameters.
|2016-2017/ second, 2017-2018/ winter, 2018-2019/ fall, 2019-2020/ summer, 2019-2020/ fall, 2019-2020/ winter|
|Advanced Power System Protection/EPE 647|
Classifications of different types of fault: balance and unbalance fault. Definition of the symmetrical components: positive, negative and zero sequence. Fault analysis and calculations based on the symmetrical components. The concept of instrument transformers, current transformer (CT) and voltage transformer (VT), purpose of using these types in the electrical network and its construction. Instrument transformers secondary connection, their standard limits and the proper way of grounding. Classifications of the instrument transformers based on their applications and standards will also be discussed. Definition of ratio and phase errors of the instrument transformers will be introduced. Several tests used for check the instrument transformers will be given: polarity test, ratio test, isolation test and continuity test. Different types of transformer protection. The main electrical protection for the power transformer: differential and restricted earth fault relay. Its construction, principle of operation, difficulties and modifications.
Classifications of transmission lines and the main electrical protection (Distance protection). Definition of over and under reach in the principle operation of the distance relay. Several characteristics of the distance relay used for specific applications and cases. Over current relay as backup protection: methods of coordination for different types of O/C relay and include the directional elements to add the coordination feature to the O/C relay .
|Power System Protection Lab/EPE 463|
The required test of the instrument transformers, current transformer (CT) and voltage transformer (VT) are given: polarity test, ratio test, isolation test and continuity test. The characteristics of different types of over current and earth fault relays (Electromechanical and static relays). The feeder protection relay which is used to protect the underground cables based on pilot principle is connected and tested. Characteristics of the transformer percentage biased differential relay and its use in protecting the power transformer is also tested to check the operation in different conditions. Sensitive Earth Fault Relay (MCSU01) which is used to protect the network from the high resistance fault is given in this lab. The characteristics of definite time and inverse time overvoltage relays is checked for MVTU12 AND MVTD12 relays, respectively. Finally, the instantaneous over current and earth fault relay and their applications of increasing the security of the electrical network is given in this lab.
|2016-2017/ winter, 2017-2018/ winter, 2018-2019/ fall, 2019-2020/ summer, 2019-2020/ winter|
|Electric Circuit Lab/EPE 223|
Measurement Device (Ammeters, Voltmeters, Oscilloscope), DC Circuit analysis (Ohm`s Law, KCL, KVL, Current division, voltage division, Series/Parallel Combinations of Resistors, Wheatstone Bridge, thevenin`s and Norton`s Equivalent Circuits, Maximum Power Transfer), RLC components and their Frequency Dependence, Frequency Response of RL and RC Circuits, Phase Measurements Using the Oscilloscope, Series Sinusoidal Circuits, Parallel sinusoidal Circuits, Series-Parallel Sinusoidal circuits, Series-Parallel sinusoidal Circuits, Thevenin`s Theorem and Maximum Power Transfer, Resonant Circuits, Frequency response of filters (low-pass, high-pass, Band-pass)