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A novel space vector PWM (SVPWM) strategy is proposed in this paper to balance the neutral-point voltage (NP) and the floating capacitor voltage for five-level active neutral-point-clamped (ANPC) converter. There are two different switching sequences in each small area. According to the NP offset, different switching sequences are used to control the NP voltage. Since the charge-discharge of the floating...
With the rapid development of power industry, power load is also rising, leading to increased levels of short-circuit current, so the demand of the technology of short-circuit current limit is very urgent. Resonant-type fault current limiter used in extra high voltage(EHV) power grid makes high-power electronic devices with a slow response, limited withstand short-circuit current limited ability and...
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