改进的D-PMSG风力发电机频率附加惯性控制

2018 Chinese Control And Decision Conference (CCDC) Pub Date : 2018-06-01 DOI:10.1109/CCDC.2018.8407856

Liu Mudan, Wang Yinsong, Liu Shuang

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引用次数: 0

摘要

D-PMSG风电机组的MPPT控制方式是转子转速与系统频率解耦，不能提供额外的有功功率参与频率控制，导致调频能力不足。针对改善D-PMSG风力发电机组的频响特性，解决附加惯量控制与MPPT控制相互干扰的问题，提出了一种改进的附加惯量控制策略。该控制方法可以利用附加惯量控制的辅助功率来支持系统频率，并根据系统频率变化通过调速来补偿MPPT控制的主动参考。仿真结果表明，该方法具有较好的惯性响应特性和较好的抗干扰性。

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Improved additional inertia control of frequency for D-PMSG wind turbine

The rotor speed and system frequency are decoupled in the MPPT control mode of D-PMSG wind turbine, which can not provide additional active power to participate in frequency control and lead to insufficient frequency regulation ability. Aiming at improving the frequency response characteristic of D-PMSG wind turbine and solving the problem of mutual interference between additional inertia control and MPPT control, an improved additional inertia control strategy is proposed. The control method can employ the auxiliary power of additional inertia control to support system frequency and compensate the active reference of MPPT control through speed regulation according to the system frequency variations. Simulation results indicate better inertia response characteristics and great improvement of mutual interference.

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2018 Chinese Control And Decision Conference (CCDC)

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