MSc Renewable Energy and Clean Technology

Power System Plant:

• Overhead Lines: basic design, air-gap clearances, conductor electro-mechanical aspects, thermal rating, current rating, insulation design, environmental aspects including EMFs, conductor vibrations, and lightning protection
• Power Cables: basic design, cable ducting, installation and lay formation, cable materials and electrical parameters, thermal rating calculations
• Switchgear: types of switchgear, circuit breaker technologies, interruption media, characteristics of an electric arc, high and low resistance interruption methods, transient recovery voltage
• Transformers: structure and functions of basic components, volts per turn calculation, tap changers, oil/cellulose insulation materials

Power System Analysis:

• AC circuits: complex impedance, phasors, real and reactive power, and power factor
• Three-phase systems: delta and wye connections, line-line and line-neutral quantities, instantaneous and complex power.
• Per-unit calculations for single and three-phase circuits: calculating different bases, converting between bases, equivalent circuits and one-line diagrams.
• Review of the main electricity generation technologies used in modern power systems and the nature and types of demand.
• Power flow calculation in simple two-bus system: transmission of real and reactive power, calculation of losses, voltage drop and maximum power transfer. Calculation of symmetrical fault currents.

All intended learning outcomes below are developed and assessed. On successful completion of the course, students will be able to:

ILO 1 Describe the function, structure and design of the main power system components.

ILO 2 Explain the ageing, degradation and failure mechanisms of power system components.

ILO 3 Calculate design and operating parameters of power system components.

ILO 4 Design a simple electrical network and justify the selection of power system components.

ILO 5 Analyse single-phase and balanced three-phase AC circuits using phasor diagrams and complex impedance.

ILO 6 Calculate the transfer of active and reactive power in two-bus AC power networks using complex power.

ILO 7 Describe methods for generation of electrical energy in modern power system and the nature and types of demand.

ILO 8 Analyse power networks using single-line diagrams and per unit parameters to determine operating conditions and fault currents.

Written Exam

The exam forms 70% of the total unit assessment

Duration: 3 hours, 4 questions

Coursework

The coursework forms 30% of the total unit assessment and is a 10 page report.

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1. Power system analysis, Grainger, John J.; Stevenson, William D.; Stevenson, William D., McGraw-Hill, 1994, ISBN: 0070612935
2. Power system analysis & design, Glover, John Duncan, Cengage Learning, 2022, ISBN: 9780357676196
3. High voltage engineering: fundamentals, Kuffel, E.; Zaengl, W. S.; Kuffel, J., Butterworth-Heinemann/Newnes, 2000, ISBN: 008050809
4. Transmission and distribution electrical engineering, Bayliss, C. R.; Hardy, B. J., Newnes, 2011, ISBN: 0080969127
5. Gas insulated substations, Koch, Hermann, IEEE Press Wiley, 2014, ISBN: 9781118694527
6. Gas insulated substations, Koch, Hermann J., Wiley, 2022, ISBN: 9781119623632