Исследование влияния параметров системы управления на качество входного тока трехфазного корректора мощности
Аннотация
Предложена система управления трехфазным корректором коэффициента мощности. Проведено исследование рассматриваемой системы управления и получены выражения для расчета допустимых значений коэффициентов усилителей ошибок. Исследовано влияние коэффициентов усилителей ошибок системы управления на качество потребляемого фазного тока устройства. При заданном значении коэффициента мощности получены зависимости коэффициента гармонических составляющих входного фазного тока трехфазного корректора мощности от сочетания коэффициентов усилителей ошибок. Показаны условия, при которых коэффициент гармонических составляющих входного фазного тока принимает минимальное значение. Статья представляет интерес для инженеров силовой электроники, занимающихся вопросами разработки трехфазного корректора коэффициента мощности и проектированием устройств, требующих повышенного качества электрической энергии.
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