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AC-fed railway traction drives suffer from pulsating input power because of the single-phase pulse width modulation rectifier at the front end. An LC filter is often needed at the dc link to absorb the pulsating power. However, this greatly reduces the power density. An effective way to get rid of this clumsy filter is to compensate pulse width calculation of the traction inverter so that it does...
The repetitive control technology is a high cost-performance waveform control technology widely used in the control of inverter. Compensator as the key parts of repetitive controller is usually adopted as the combination of notch filter with second-order filter. The process of designing and debugging of the repetitive controller, which needs more experiences, is very tedious. In this paper, FIR (finite...
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