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ELECTRICAL POWER SYSTEM WITH HIGH-DENSITY PULSE WIDTH MODULATED (PWM) RECTIFIER
ELECTRICAL POWER SYSTEM WITH HIGH-DENSITY PULSE WIDTH MODULATED (PWM) RECTIFIER
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机译:具有高密度脉宽调制(PWM)整流器的电力系统
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摘要
An electrical power system includes an alternating current (AC) power source configured to output an AC signal, a single phase pulse-width modulated (PWM) rectifier coupled to the AC power source and to an electrical load; a DC link capacitor coupled in parallel to the load and the PWM rectifier; and an active ripple energy storage circuit. The active ripple energy storage circuit has a first terminal, a second terminal and a third terminal, the active ripple energy storage circuit being coupled in parallel to the electrical load, the PWM rectifier and the DC link capacitor via the first terminal and the second terminal, the third terminal being coupled to the second terminal, the active ripple energy storage circuit being configured to selectively absorb and discharge at least part of the ripple energy.
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