Графические диаграммы этих функций показаны на рис. 86, а векторные на рис. 87.
Основное свойство любых переменных функций (е, u, i) в симметричной трехфазной системе состоит в том, что сумма их мгновенных значений в любой момент времени равна нулю, например, еА + еВ + еС = 0. Найдем эту сумму для разных моментов времени:
, ![](data:image/png;base64,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) ;
, ![](data:image/png;base64,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) ;
, ![](data:image/png;base64,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) .
Как следует из векторной диаграммы рис. 87, геометрическая сумма векторов фазных ЭДС также равна нулю:
Достарыңызбен бөлісу: |