KANG Jiale, CHEN Wuhui, ZOU Renkai, et al. Impact of Wind Farm Integration into HVDC Receiving-end System on Commutation Failure[J]. 2026, 43(2): 331-343.
DOI:
KANG Jiale, CHEN Wuhui, ZOU Renkai, et al. Impact of Wind Farm Integration into HVDC Receiving-end System on Commutation Failure[J]. 2026, 43(2): 331-343. DOI: 10.19725/j.cnki.1007-2322.2024.0043.
Impact of Wind Farm Integration into HVDC Receiving-end System on Commutation Failure
The integration of large-scale wind farms into HVDC receiving terminals has become an important application scenario. The impact of wind farms on HVDC commutation failure constitutes a critical issue for the safe and stable operation of the system. In this paper
we investigate the impact of wind farm connection to the HVDC receiving end system on commutation failure from two aspects: low-voltage ride-through control and phase-locked loop control of wind turbines. Firstly
a commutation area margin that accounts for the effects of voltage drop and harmonic distortion is developed
and a commutation failure identification method based on this commutation area margin is proposed. It is subsequently analyzed that low voltage ride-through control of wind power can enhance the voltage support capability
which is beneficial for improving the commutation failure process. It reveals that when the bandwidth of the phase-locked loop on the wind turbine grid side is large
the system may generate a larger second harmonic voltage
which will exacerbate the risk of HVDC commutation failure. Finally
the correctness of the proposed theory is validated through simulations on the PSCAD/EMTDC simulation platform.
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references
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