Fundamental Principles of Energy and Power Systems

Learning Outcomes

Knowledge and Understanding

Having successfully completed this module, you will be able to demonstrate knowledge and understanding of:

• The relationships between energy, work, force, power and efficiency, and the fundamental types of energy
• The importance of energy conversion
• The fundamentals of current and future energy/power production methods

Subject Specific Intellectual and Research Skills

Having successfully completed this module you will be able to:

• Revise and review the fundamentals of electrical power systems
• Select the 'right' energy source to match the user/load needs, and energy matching

Review of Power Systems Fundamentals' (12 lectures)

Review of the 3-phase a.c. circuit fundamentals, Phasor notation and use of complex quantities, Phasor diagrams, Impedance triangle, Power in a.c. systems: complex, apparent, active, reactive, Power factor, Three-phase systems and connections, Star-delta transformations, Unbalanced systems and the method of symmetrical components, Phase sequence networks, Harmonics.

Elements of power systems, Power system components, Representation of components (equivalent circuits), Transformers, Generators, Transmission lines and cables, Switchgear, Simplified equivalent circuits, Per unit system and its use, Parallel operation

of transformers, Autotransformers, Tap changing. The rotating field principle, Operation of generators on infinite busbar, Motor

characteristics. Load flows, Review of balanced and unbalanced faults, Fault current limiters. Steady state and transient stability, the equal area criterion.

Energy Fundamentals Energy Overview. Definition of energy : Energy quality, density and intensity. Sources of energy: fossil fuels and renewables. History of energy technology. Importance of energy. Energy demands, consumption and future trends.

Principles of Energy Conversion and Energy Systems : Forms of energy: kinetic, potential, heat, chemical, bio, electrical, electromagnetic, nuclear, etc. The law of energy conservation. The second law of thermodynamics. Energy Conversion efficiency.

Introduction to energy systems. System efficiency. Energy sustainability.

Heat Engines : Definition of heat engines. Principles of heat engines. Types of heat engines: steam engines, internal combustion engines, gas turbine engines, etc. Heat, mechanical work and entropy. Ideal and real engine cycles. Cycle efficiency. Cogeneration. Combustion fundamentals. Engine emissions and regulations.

Electrochemical Energy Conversion : Electrochemical vs. conventional energy conversion routes. Types of electrochemical cells for energy conversion. Definitions of batteries, fuel cells, redox flow cells. Principle of fuel cells. Types of fuel cells. Examples

of applications.

Thermoelectric energy Conversion : Thermoelectric effects, Seebeck, Thomson and Peltier, Thermoeelctric materials and figure of merit. Thermoelectric conversion device and radiosotope thermoelectric generators

Solar Energy Conversion : Solar radiation. Electromagnetic energy. Solar spectra. Scattering and absorption. The greenhouse effect. Types of solar energy conversion: photosythesis, thermal electrical conversion, photochemical conversion, photoelectrical conversion. Introduction to photovoltaic cells. Energy storage. Applications: domestic, industrial and space. CHP.

Other Renewable Energy Systems : Importance of renewable energies. Wind power. Hydropower and tidal power. Nuclear fission and fusion. Biomass. Geothermal power. Economics of energy technologies. Social and environmental impact. Review of fundamental fluid mechanics associated with environmental flows from wind, wave and tide. Overview of propulsive power.

Summative

This is how we’ll formally assess what you have learned in this module.

Referral

This is how we’ll assess you if you don’t meet the criteria to pass this module.

Repeat

An internal repeat is where you take all of your modules again, including any you passed. An external repeat is where you only re-take the modules you failed.