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Modern achievements in the field of construction of transformers and Converter technology allow creating integrated multipulse rectifier units that meet the currently increased requirements of electromagnetic compatibility between different consumers of electric energy and the network feeder. Current rectification carried out with the help of valve devices is closely related to commutation processes, the widespread use and distribution of which requires accurate consideration of the factors that determine them. One of the important questions is the degree of influence of the structural asymmetry of the transformer converter of the number of phases on the overlap angle and on the rectified voltage in the commutation zone. The paper offers a mathematical description of the steady-state process for solving a wide group of practical problems, including commutation periods for the case of converter asymmetry with an arbitrary number of ripples of the rectified voltage.

Mathematical description of commutation in multipulse rectification schemes with voltage asymmetry