Suppression of AC Coupling Effects on HVdc Transmission System Based on MMC

Lee, Joon-Hee; Jung, Jae-Jung; Sul, Seung-Ki

doi:10.1109/tpel.2024.3405204

IEEE Trans. Power Electron.

2024

DOI: 10.1109/tpel.2024.3405204

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Suppression of AC Coupling Effects on HVdc Transmission System Based on MMC

Joon-Hee Lee,

Jae-Jung Jung,

Seung-Ki Sul

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Cited by 1 publication

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Improvement of the control performance of cable AC voltage withstand testers

Chen,

Zhu,

Yang

et al. 2024

J. Phys.: Conf. Ser.

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The traditional cable AC withstand voltage test device has poor control accuracy and slow protection performance, and the inverter based on power switching devices can be applied to the test device to effectively solve the above problems. However, the LCL-type inverter contains resonance, which tends to cause system destabilization and reduces current quality, affecting the effectiveness of the device for testing. Differential feedback filter capacitor voltage can solve the problem and can save a high-accuracy sensor, but the differential limits its application. This paper proposes to use the negative-band pass filter (NBPF) connected to lag correction (LC) link to equivalent the differential, and it can not only effectively suppress the resonance, but also can significantly suppress high-frequency noise. An experimental platform is built for validation.

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Improvement of the control performance of cable AC voltage withstand testers

Chen,

Zhu,

Yang

et al. 2024

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

show abstract

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Suppression of AC Coupling Effects on HVdc Transmission System Based on MMC

Cited by 1 publication

References 21 publications

Improvement of the control performance of cable AC voltage withstand testers

Improvement of the control performance of cable AC voltage withstand testers

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