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Effect of Low Voltage Ride-Through Capability of Doubly-Fed Induction Generator Wind Turbines for Transient Stability of Small Power Producer

机译:双馈感应发电机风力发电机低压穿越能力对小功率发电机暂态稳定的影响

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With an increasing of the Doubly-Fed Induction Generator (DFIG) based wind turbine implementations, hence, this paper presents an effect of low voltage ride-through capability of the DFIG wind turbines for transient stability of Small Power Producer (SPP). The DFIG, without the low voltage ride-through capability, can be disconnected from a power grid because of a protection scheme of the DFIG. Therefore, the DFIG tripping can perturb the transient stability of the power system, especially in the SPP applications. To enhance the low voltage ride-through capability of the DFIG wind turbines, Superconducting Fault Current Limiter (SFCL) using High Temperature Superconductor (HTS) is fully implemented in this paper. As the simulated results without the capability to ride through the fault, the effect of the DFIG is completely demonstrated that the DFIGs can perturb the transient stability of the SPP. For solving this problem utilizing the SFCL, the DFIG allows riding through the fault under the Swedish grid code requirement, improving the transient stability of SPP.
机译:因此,随着基于双馈感应发电机(DFIG)的风力涡轮机实施方案的增加,本文提出了DFIG风力涡轮机的低压穿越能力对小功率生产者(SPP)的瞬态稳定性的影响。由于DFIG的保护方案,没有低压穿越能力的DFIG可以与电网断开连接。因此,DFIG跳闸会干扰电源系统的瞬态稳定性,尤其是在SPP应用中。为了增强DFIG风力发电机的低压穿越能力,本文充分实现了使用高温超导体(HTS)的超导故障限流器(SFCL)。由于仿真结果没有克服故障的能力,因此,DFIG的效果已完全证明,DFIG可能会扰动SPP的瞬态稳定性。为了使用SFCL解决此问题,DFIG允许在瑞典电网规范要求下解决故障,从而提高了SPP的瞬态稳定性。

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