期刊文献+

500kV淮宿变电站投运对安徽电网暂态稳定性的影响 被引量:5

Effect of 500 kV Huaisu substation commissioning on Anhui power system transient stability
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摘要 根据安徽电网的仿真,发现500kV淮宿变电站投运虽增强了皖北机群之间的联系,但在机群之间的某一内部联络线故障时造成系统暂态功角稳定水平降低;而在机群之外发生故障时则这种电源互联有助于提高系统的暂态功角稳定性。运用等面积法则和扩展等面积法则对这一现象进行了分析,指出在电网的规划和设计中应该充分考虑送端电源之间的联接,以避免因送端电源之间的联系过于紧密而造成电网暂态稳定水平下降。 Along with the power system development and power plant construction as well as power network interconnection, power systems will be stronger. But power system transient stability will be effeeted when the power resources are interconnected. Based on EEAC theory, a simulation of Anhui power network was analyzed. It indicated that Anhui power system transient would be decreased when the intereonneetion line fault happened in the power plant cluster. But the power system transient stability will be improved when outward faults happen, which was proved by the equal area law and EEAC theory. It was pointed out that the excessive compactness of power resource interconnections would decrease power system transient stability, which should be avoided in power network plannings and designs.
出处 《中国电力》 CSCD 北大核心 2008年第8期8-11,共4页 Electric Power
关键词 电网互联 暂态稳定性 等面积法则 扩展等面积法则 power network intereonneetion transient stability equal area criterion extended equal-area criterion
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参考文献4

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共引文献56

同被引文献13

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  • 2DL/T5218-2005.220-500kV变电所设计技术规程[S].,..
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