Electrical energy supply systems: transmission and distribution systems; Basic aspects of both the supply and utilization of electrical energy, with some emphasis on contemporary aspects of energy utilization including modern developments, energy efficiency and environmental aspects. Basic concepts used in power circuit analysis: phasors, leading/lagging, power, power factor, reactive power. Transformers: equivalent circuits, single and three-phase transformers, delta-wye connections, harmonics; Principles of energy conversion; Operating principles and analyses of DC, induction and synchronous machines; Introduction to power electronics: single- and three-phase switching of electrical power. DC-AC, DC-DC and AC-AC converters.