(Stellenbosch : Stellenbosch University, 2002-03) Fick, Pieter D.; Kamper, M. J.; Stellenbosch University. Faculty of Engineering. Dept. of Electrical and Electronic Engineering.
ENGLISH ABSTRACT: This thesis describes. the design and evaluation of a constant current angle controller
for a variable speed reluctance synchronous machine (RSM) drive, as an energy
efficient high performance drive. An accurate model of the RSM, with the use of
finite element analysis, is derived and implemented in simulation software. The
current- and speed controllers are designed and evaluated using a complete simulation
model of the whole drive. The controller is implemented on a TMS320F240 DSPbased
digital controller, which was developed. The dynamic performance of the
constant-current-angle control is compared with that of the conventional constant-daxis-
current control method. The results obtained from the RSM drive confirm the
simulation results. In the comparison of the two control methods it is shown that the
constant-current-angle controlled RSM drive is an energy-efficient drive with good
dynamic performance.