取消电分相实现铁路全线贯通后,牵引供电系统结构将发生较大改变,为预防实施贯通同相供电后谐波谐振带来的谐波放大、过电压等现象,针对贯通同相供电系统利用谐振模态分析法对系统节点导纳矩阵进行分析,通过对特征值、参与因子求解得到...取消电分相实现铁路全线贯通后,牵引供电系统结构将发生较大改变,为预防实施贯通同相供电后谐波谐振带来的谐波放大、过电压等现象,针对贯通同相供电系统利用谐振模态分析法对系统节点导纳矩阵进行分析,通过对特征值、参与因子求解得到谐振信息。利用实测数据对理论分析进行验证,通过模态分析能够精确有效得到系统谐振频率。增加无功补偿型同相补偿装置后,探究系统的谐振点变化情况。研究当机车位置、牵引网长度、同相补偿装置中静止无功发生器(static var generator,SVG)各种参数等条件变化下整个系统的谐振点变化规律,为后续同相供电系统安全运行提供理论基础。展开更多
Sailing the seas depends on the navigation,and progressing the world needs guidance.The Belt and Road Initiative(or BRI),that is,the initiative of jointly building the Silk Road Economic Belt and the 21st Century Mari...Sailing the seas depends on the navigation,and progressing the world needs guidance.The Belt and Road Initiative(or BRI),that is,the initiative of jointly building the Silk Road Economic Belt and the 21st Century Maritime Silk Road,raised by Chinese President Xi Jinping in September and October of 2013,has planned a pattern of international cooperation in the new era.展开更多
文摘取消电分相实现铁路全线贯通后,牵引供电系统结构将发生较大改变,为预防实施贯通同相供电后谐波谐振带来的谐波放大、过电压等现象,针对贯通同相供电系统利用谐振模态分析法对系统节点导纳矩阵进行分析,通过对特征值、参与因子求解得到谐振信息。利用实测数据对理论分析进行验证,通过模态分析能够精确有效得到系统谐振频率。增加无功补偿型同相补偿装置后,探究系统的谐振点变化情况。研究当机车位置、牵引网长度、同相补偿装置中静止无功发生器(static var generator,SVG)各种参数等条件变化下整个系统的谐振点变化规律,为后续同相供电系统安全运行提供理论基础。
文摘Sailing the seas depends on the navigation,and progressing the world needs guidance.The Belt and Road Initiative(or BRI),that is,the initiative of jointly building the Silk Road Economic Belt and the 21st Century Maritime Silk Road,raised by Chinese President Xi Jinping in September and October of 2013,has planned a pattern of international cooperation in the new era.