Transient response characteristics of new HVDC transmission system based on new converter transformer

2008 Third International Conference on Electric Utility Deregulation and Restructuring and Power Technologies Pub Date : 2008-04-06 DOI:10.1109/DRPT.2008.4523712

Yong Li, L. Luo, K. Nakamura, C. Rehtanz, Jie Zhang, Jiazhu Xu, Fusheng Liu

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引用次数: 10

Abstract

The new HVDC transmission system adopts the new converter transformer and the corresponding inductive filtering method, and its electrical topology structure is completely different from that of the existential HVDC transmission system. For the change of the controlled system, the transient response characteristics of the new HVDC transmission system will be accordingly changed when it adopts the standard control model that the traditional HVDC transmission system adopts. Referring to the parameters of the main circuit of the OGRE HVDC first benchmark model, this paper designs a similar benchmark model of the new HVDC transmission system based on the technical characteristics of the new converter transformer and the corresponding inductive filtering method, which mainly contains the rated parameters of the new converter transformer and the inductive filtering device. Then, the typical transient response characteristics of the new HVDC transmission system have been analyzed and simulated by PSCAD/EMTDC. The results express that the new HVDC transmission system, which adopts the standard control model that the HVDC transmission engineering adopts, has a good transient response characteristic, and can operate stably when subjecting to various typical disturbance.

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基于新型换流变压器的新型直流输电系统的暂态响应特性

新型高压直流输电系统采用了新型换流变压器和相应的感应滤波方法，其电气拓扑结构与现有高压直流输电系统完全不同。对于被控系统的变化，新型直流输电系统采用传统直流输电系统采用的标准控制模型时，其暂态响应特性也会发生相应的变化。本文参考OGRE高压直流第一基准模型主电路参数，基于新型换流变压器的技术特点和相应的感应滤波方法，设计了新型高压直流输电系统的类似基准模型，主要包含新型换流变压器和感应滤波装置的额定参数。然后，利用PSCAD/EMTDC对新型直流输电系统的典型暂态响应特性进行了分析和仿真。结果表明，采用直流输电工程标准控制模型的新型直流输电系统具有良好的暂态响应特性，在各种典型扰动下均能稳定运行。

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2008 Third International Conference on Electric Utility Deregulation and Restructuring and Power Technologies

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