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Subject: three level electrical potential Описывается новая технология инвертора частоты для управления двигателем.Most conventional modern inverters have six output transistors. Omron Yaskawa has designed its own output transistors and there are 12 in the Three Level Control design. The voltage of the main circuit is divided by capacitors and the neutral point (0 voltage) has been introduced. The PWM waveform therefore has a three level electrical potential between Positive (P), 0 and Neutral (N) compared with the two level electrical potential between P and N of conventional designs. Интересует перевод последнего предложения. Как бы это сказать по-русски. "Сигнал ШИМ имеет трехуровневый потенциал (напряжение)" - явно криво. |
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чего здесь сложного ? Выходной сигнал ШИМ имеет форму трехуровневой ступеньки |
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