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首页> 外文会议>IEEE PES Asia-Pacific Power and Energy Engineering Conference >Fault ride through characteristics of connection of large wind power island to VSC-HVDC grid
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Fault ride through characteristics of connection of large wind power island to VSC-HVDC grid

机译：大型风电岛与VSC-HVDC电网连接的故障穿越特性

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摘要

With increasing scale of wind power development, large wind power bases will, where there is no support from synchronous power source, be directly connected to the grid and therefore one of developing trends to transmit currently large-scale wind power is transmit the wind power “island” with the long distance VSC-HVDC transmission technology when it is connected to the grids. When a large-scale wind power island is connected to a VSC-HVDC grid, the wind turbines and the VSC-HVDC grid will influence each other's operation and control, and in particular, in the case of fault, mutual coupling of dynamic characteristics of electrical variables at different time scales between the wind turbines and the VSC-HVDC grid cannot be ignored. The paper is focused on non-synchronous detection of disturbance, one of key problems found in connection of wind power to the VSC-HVDC grid, and studies the fault ride-through (FRT) technology for the island-connected large-scale wind power and the VSC-HVDC grid, by analyzing the impact of fault-response characteristics of the wind power and the VSC-HVDC grid at different time scales on each other.
机译：随着风电发展规模的扩大，在没有同步电源支持的情况下，大型风电基地将直接连接到电网，因此，目前传输大型风电的发展趋势之一就是传输风电。连接到电网时具有远距离VSC-HVDC传输技术的“孤岛”。当大型风力发电岛连接到VSC-HVDC电网时，风力涡轮机和VSC-HVDC电网将相互影响运行和控制，特别是在出现故障的情况下，风力发电机的动态特性会相互耦合。风力涡轮机与VSC-HVDC电网之间在不同时间尺度上的电气变量不容忽视。本文着重于非同步检测扰动，这是风电与VSC-HVDC电网连接中发现的关键问题之一，并研究了孤岛式大型风电的故障穿越技术（FRT）。通过分析风力发电的故障响应特性与VSC-HVDC电网在不同时标上的相互影响，对VSC-HVDC电网进行分析。

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