Abstract
A system of classification for methods for pulse-vector controlling ac drives is presented. The resource and energy efficiency are considered in electric drives using pulse-vector control systems with wound rotor induction and synchronous motors. Various examples of pulse-vector control circuits are discussed. The control principles for each circuit are worked out, and instances of their application are given. The choice of the element basis of these circuits is grounded, and the advantages and disadvantages of each circuit are considered. The basic pulse-vector control circuits are compared in terms of the following parameters: the values of the maximum electromagnetic torque for the nominal motor torque and the torque pulses for the nominal motor torque. It is shown that application of pulse-vector control improves the energy- and cost-effectiveness of the electric drive, while using different circuits allows one to eliminate some of its disadvantages.
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