October 2021 0 3 Report
На рисунке показан трехфазный приемник электроэнергии с активными сопротивлениями Ra=Rb=Rc=20 Ом. линейное напряжение Uл=380 В.Определите показание амперметров при а)равномерной нагрузке фаз б)обрыве сопротивления Ra и наличии нулевого провода
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