FIELD: electricity.
SUBSTANCE: control method of three-phase self-commutated inverters is based on comparison of high-frequency reference voltage of triangular or saw-tooth shape and low-frequency multiphase modulating voltage, in which, first, modulation of amplitude of reference voltage is performed according to the value and shape of modules of phase modulating voltages. The obtained reference voltages are compared to the corresponding phase modulating voltages.
EFFECT: enlarging the working range of amplitude control of the first harmonics of output voltages of a self-commutated inverter up to the mode of # degrees control providing its maximum possible value.
4 dwg
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