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Basic laws of three-phase sinusoidal circuits

Specialist area:Electrical engineering
Application:Three-phase current

Lecturer:Prof. Dr.-Ing. Hans-Peter Beck
Keywords:Open and interlinked three-phase system:
Instantaneous power, rotary voltage generation, star–delta connection, symmetrical star–delta load, apparent, active and reactive power, power measurement: 1-wattmeter method

Rotary field generation:
Winding arrangement, space-vector definition, field of three cylindrical coils, alternating field, positive and negative sequence system, rotary field of three concentric windings

Three- and four-wire network operation:
Principle of electrical power transmission, balanced and unbalanced loads, definition of balanced and unbalanced operation, balanced network, unbalanced load, power measurement 2- and 3-wattmeter method, reactive-power measurement
Script:Electrical Engineering for Engineers (Part 2)
Chapter, pages:Ch. 1, p. E2/DS 1-20 (SS 2011)
Recording:WS 2004/05 – videos freely available:
Lecture 1 20 Apr 2004
Lecture 2 27 Apr 2004
Lecture 3 04 May 2004
Total running time:3 h 36 min