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Course Catalog 2013-2014
DEE-24106 Electric Power Systems, 5 cr |
Person responsible
Enrique Acha, Ontrei Raipala, Sami Repo, Luis Castro Gonzalez
Lessons
| Study type | P1 | P2 | P3 | P4 | Summer | Implementations | Lecture times and places |
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Requirements
To attend the lectures; to pass the one final exam (60% of grade) and to complete the course assignments (40% of grade)
Learning Outcomes
Student having taken the course should understand the principles of how an electrical power system is planned and operated. They are expected to model and analyse the steady-state and dynamic performance of simple power systems using: power flows; short-circuit fault current calculations and the various forms of power system stability assessments. Student should be able to carry out simulation studies of practical power systems operating under steady-state and dynamic conditions using commercial power system analysis software; to check the sanity of the simulation results by resorting to basic theory; to assess the operation of the actual power system under study and to produce a well laid-out simulations report.
Content
| Content | Core content | Complementary knowledge | Specialist knowledge |
| 1. | Week 1. Transmission Line Performance: Active and reactive power flows in short, medium and long transmission lines, SIL. Principles of compensation | Week 1. Transmission Line Performance: Standing waves and basic concepts of corona effects | Week 1. Underground Cable Parameters Calculation |
| 2. | Week 2. Power Flow Analysis: Basic theory, power flow solution algorithms (e.g.. Newton-Raphson, Fast Decoupled) | Week 2. Power Flow Analysis: Computer-based power flow solutions of medium and large-scale power systems | Week 2. Power Flow Analysis: Sparse matrix techniques Three-phase power flows |
| 3. | Week 3. Short-Circuit Analysis: Background theory, fault level and the representation of classical power system faults | Week 3. Short-Circuit Analysis: Power flow-initialized short-circuit analyses Advanced transformer modelling | Week 3. Short-Circuit Analysis: Dynamics of short-circuits, circuit breaker selection and protection relay studies |
| 4. | Week 4. Grid Operation & Frequency Control: General principles of grid operation in today’s power industry. Frequency control and automatic generation control | Week 4. Grid Operation & Frequency Control: SCADA and EMS systems. Advanced principles of grid operation and frequency control | Week 4. Grid Operation & Frequency Control: Power system state estimation, PMU and its applications, Optimal Power Flows (OPF) |
| 5. | Week 5. Voltage Control & Stability: Equipment for voltage control (generator’s AVR, SVC, LTC), voltage stability enhancements and voltage collapse. Voltage control principles in Finland | Week 5. Voltage Control & Stability: Centralized and distributed control principles, reactive power cascade control. Modelling of SVC, tap changer, induction motor loads and polynomial loads in Newton-Raphson power flows | Week 5. Voltage Control & Stability: FACTS equipment, the continuation power flow method, maximum loading using OPF |
| 6. | Week 6. Power Systems Stability: Stability classification, swing equation, power-angle equation and equal-area criterion. Analysis of simple systems | Week 6. Power Systems Stability: Analysis of multi-machine systems, combination of dynamic and static equations, factors influencing angle stability. Introduction to small signal stability | Week 6. Power Systems Stability: Advanced numerical solutions of differential equations. State-space presentation of large-scale power systems for small signal stability analysis |
| 7. | Week 7. Power System Harmonics: Basic terms and concepts, harmonic sources, harmonic impedances, harmonic propagation | Week 7. Power System Harmonics: Harmonic indexes, standards, measurements | Week 7. Power System Harmonics: Inter-harmonics and supra-harmonics |
Instructions for students on how to achieve the learning outcomes
Exam (60%) Assignments (40%)
Assessment scale:
Numerical evaluation scale (1-5) will be used on the course
Study material
| Type | Name | Author | ISBN | URL | Edition, availability, ... | Examination material | Language |
| Lecture slides | Enrique Acha | Yes | English | ||||
| Lecture slides | Sami Repo | Yes | English | ||||
| Online book | Electric Energy Systems | A. Gomez-Exposito, A.J. Conejo and C. Canizarez | 9781420007275 | Applicable chapters: 1,2,3,8,9,10 | Yes | English |
Prerequisites
| Course | Mandatory/Advisable | Description |
| DEE-23106 Fundamentals of Electrical and Power Engineering | Mandatory |
Prerequisite relations (Requires logging in to POP)
Correspondence of content
| Course | Corresponds course | Description |
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More precise information per implementation
| Implementation | Description | Methods of instruction | Implementation |
| Lectures Excercises Practical works |
Contact teaching: 0 % Distance learning: 0 % Self-directed learning: 0 % |