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This paper analyses a PWM control circuit for a three-level three-phase inverter. The power circuit of inverter and the PWM control principles, using a mirror triangular waveform, are explained. The ...

This paper presents theoretical and experimental relationships between radiated electromagnetic noises and common-mode and normal-mode currents, paying attention to an induction motor drive system fed ...

Engineering nano-clouds that can change color, temperature and outwit heat sensors How does a cloud stay cool under direct sunlight—or seem to vanish in infrared?

Enter, the Arctic P12 PWM PST, the best budget fan we've tested to date. There's nothing particularly impressive about this fan on paper, but neither is there anything wrong with the specs in general.