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首页> 外文会议>International Conference on AC and DC Power Transmission >Vector and power synchronization control for connecting a VSC-MTDC to an AC power system — A comparative study of dynamic interactions between the DC and AC network based on PSCAD simulation
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Vector and power synchronization control for connecting a VSC-MTDC to an AC power system — A comparative study of dynamic interactions between the DC and AC network based on PSCAD simulation

机译：用于将VSC-MTDC连接到交流电源系统的矢量和功率同步控制—基于PSCAD仿真的DC和AC网络之间动态相互作用的比较研究

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摘要

In this paper, a comparative study of the impacts of two VSC control strategies which are vector control and power-synchronization control strategy on the dynamic interactions between the AC and DC network is conducted. Firstly, a hybrid AC/DC system model which consists of synchronous generators and a VSC MTDC grid is established in the PSCAD. Moreover, based on the established system model, the dynamic interactions between the AC and DC network with two different control strategies under different contingencies such as AC side fault, DC side fault and system frequency fluctuation are examined carefully. Furthermore, under the AC fault condition, the effects of several different influencing factors such as MTDC integration, power exchange, the connection strength and VSC control parameters on the electromechanical transient process of the hybrid system are investigated.
机译：本文对矢量控制和功率同步控制两种VSC控制策略对交直流网络动态相互作用的影响进行了比较研究。首先，在PSCAD中建立了由同步发电机和VSC MTDC电网组成的AC / DC混合系统模型。此外，在建立的系统模型的基础上，仔细研究了两种不同控制策略在交直流侧故障，直流侧故障和系统频率波动等意外情况下交直流网络之间的动态相互作用。此外，在交流故障条件下，研究了MTDC集成，功率交换，连接强度和VSC控制参数等多种不同影响因素对混合系统机电过渡过程的影响。

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