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INDEX TERMS WT-PWM modulation strategy, high-frequency resonance instability, suppression method, train-network power supply system. ... Aiming at the high-frequency resonance instability phenomenon in high-speed railways and traction network (simplified as "train-network") system, a new modulation strategy is proposed. ... Besides, if there are multiple frequencies resonance in the system, WRHE-PWM strategy cannot suppress harmonics in all resonance frequencies. ...doi:10.1109/access.2019.2930969 fatcat:lbgs4aabvjdnxptqkzubvah3ay