TNDE78	Electrical Power Systems, 7,5 ECTS-points /Elmaskiner/ Advancement level: B
	Aim: The course will give knowledge about the 3-phase system, the theory for electric machines and their operation. Prerequisites: TNDE37 Circuit theory TNDE24 Transforms Supplementary courses: TNDE65 Power Electronics, TNEI45 Electrical Drives. Course organization: The teaching consists of lectures, laboratory work and a project work. Course content: The three-phase system: Power measurememt, equivalent circuits, voltage drop, power losses, phase compensation and different grounding systemes. Transformers: Basic considerations. No-load conditions. Load conditions. Equivalent circuits. Efficiency. Per-unit system. Autotransformers. Current transformers. Voltage transformers. Inductions machines: Rotating magnetic field. The 3-phase induction motor. Principle of action. Synchronous speed and slip. Performens. Torque-speed characteristics. Double-cage motors. Starting methods. Slip-ring induction motor. Efficiency. Single phase induction motor. Synchronous machines: Construction of synchronous machines. Synchronizing to a net. Power and torque characteristics. DC machines: General principles. Armature windings. Commutator and brushgear. Armature reaction and interpoles. As generator and as motor. Speed control. Efficiency. Course literature: To be announced later.
TEN1	Written examination, 3 p.
LAB1	Laboratory work, 1 p.
PRA1	Project work, 1 p.

Course language is Swedish.