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Accurate digital current control of the reluctance synchronous machine with constant current angle

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2 Author(s)
P. D. Fick ; Dept. of Electr. & Electron. Eng., Stellenbosch Univ., South Africa ; M. J. Kamper

Constant current angle controlled reluctance synchronous machine drives can be considered as near optimum efficiency controlled drives. This paper describes an accurate constant current-angle current-control technique for a digital controlled reluctance synchronous machine (RSM) drive. Using finite element calculated results accurate decoupled dq current regulators are designed and used in a digital controlled system using the TMS320F240-DSP. In the design of the controller the effect of dynamic inductances, due to saturation and cross magnetisation, on the performance of the PI-controllers is taken into account. Complete analysis, digital simulation and measured results are presented.

Published in:

Africon Conference in Africa, 2002. IEEE AFRICON. 6th  (Volume:2 )

Date of Conference:

2-4 Oct. 2002