Abstract
The requirements for the reverse recovery current sinusoidality are high. Therefore, when developing programs for microcontrollers for a universal system of pulse-width modulation of the recovery current, it is important to have information on the dependences of the sinusoidality distortion degree on the relationship between the total electromotive force of the battery and the mains voltage, the amplitude of the recovery current, the inductance of the active rectifier coil, through which it flows, as well as between the frequencies of the network and the control PWM signal. The results of research into the development of a microcontroller modulation system for a routine forced (training or diagnostic) discharge of storage batteries into a single-phase network are presented. The sought expressions for the dependences of the sinusoidality distortion degree are obtained on the basis of the results of the spectral transformation of the regenerative current function obtained in MathCAD when the latter is formed by the control signal with single-stroke double-sided PWM-2.
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