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commutation fault
相关语句
  换相失败
     According to both en-gi neering control &protection design and the situation of the test and in the practical operation this paper described control tactics for all kinds of different faults of HVDC transmission system including commutator,the thyristor elec-tronic equip ment (TE),wa ter cool ing system commutation fault,AC&DC lines faults,AC&DC filter faults and so on.
     根据以上2个直流工程的控制与保护设置及试验和运行情况叙述了高压直流输电系统在各种故障,包括换流器故障、冷却系统故障、各种情况下的换相失败、交流和直流线路故障,交直流滤波器等故障所采取的控制对策。
短句来源
     Combining the principle of commutation fault with real test phenomena, the reasons of the whole incident are analyzed, and the method to deal with this accident is described and explained.
     通过将换相失败的原理与实际的试验现象相结合,分析了整个事故原因,并对事故解决方法进行了描述和解释。
短句来源
     Conventional HVDC has the advantages of mature state of art and lower cost and the disadvantages of absorbing large reactive power and the danger of commutation fault.
     传统高压直流输电(HVDC)系统具有技术成熟、成本低廉的优点和需要吸收大量无功功率以及存在换相失败的危险等缺点;
短句来源
  相似匹配句对
     ④fault;
     ④断层型(非背斜背景下);
短句来源
     (6)Fault;
     (6)失误;
短句来源
     Study on Commutation of Sentence
     减刑若干问题研究
短句来源
     I Outline of Commutation System.
     1、减刑制度概述。
短句来源
     Current commutation can be divided into three stages: 1.short fault happens, and main interrupter opens;
     本文把电流转移过程分为三个阶段:1.短路故障发生,主灭弧室分闸;
短句来源
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In recent years,HVDC transmission project is developing greatly in the homeland.Tian-Guang HVDC transmition project put into operation after Gezhouba-Shanhai HVDC transmission project.According to both en-gi neering control &protection design and the situation of the test and in the practical operation this paper described control tactics for all kinds of different faults of HVDC transmission system including commutator,the thyristor elec-tronic equip ment (TE),wa ter cool ing system commutation fault,AC&DC...

In recent years,HVDC transmission project is developing greatly in the homeland.Tian-Guang HVDC transmition project put into operation after Gezhouba-Shanhai HVDC transmission project.According to both en-gi neering control &protection design and the situation of the test and in the practical operation this paper described control tactics for all kinds of different faults of HVDC transmission system including commutator,the thyristor elec-tronic equip ment (TE),wa ter cool ing system commutation fault,AC&DC lines faults,AC&DC filter faults and so on.

最近几年高压直流输电在我国有很大的发展,继葛—上直流工程以后,天生桥—广州±500kV直流输电工程又投入了运行。根据以上2个直流工程的控制与保护设置及试验和运行情况叙述了高压直流输电系统在各种故障,包括换流器故障、冷却系统故障、各种情况下的换相失败、交流和直流线路故障,交直流滤波器等故障所采取的控制对策。

This paper describes integrally the process of arrestor explosion happened in the test of pulse missing repeatedly in inverter without telecommunication during the debugging course of Three Gorges to Guangdong HVDC transmission project. Combining the principle of commutation fault with real test phenomena, the reasons of the whole incident are analyzed, and the method to deal with this accident is described and explained. According to the analysis of complementary test results for many times, it proves...

This paper describes integrally the process of arrestor explosion happened in the test of pulse missing repeatedly in inverter without telecommunication during the debugging course of Three Gorges to Guangdong HVDC transmission project. Combining the principle of commutation fault with real test phenomena, the reasons of the whole incident are analyzed, and the method to deal with this accident is described and explained. According to the analysis of complementary test results for many times, it proves that this mistake is corrected, and the similar mistake will not happen again when the same case happens in the future.

完整描述了三峡—广东直流输电工程系统调试过程中进行无通信逆变侧多次丢失脉冲试验时导致一个阀避雷器爆炸这一事故的全部过程。通过将换相失败的原理与实际的试验现象相结合,分析了整个事故原因,并对事故解决方法进行了描述和解释。对多次补充试验结果的分析证实了错误已经改正,今后遇到该类情况发生时不会再发生类似错误。

Conventional HVDC has the advantages of mature state of art and lower cost and the disadvantages of absorbing large reactive power and the danger of commutation fault. Voltage Source Converter (VSC) based HVDC (VSC-HVDC) has the advantages of flexible operation and control and the disadvantages of high cost. Combining the advantages of the two kinds of HVDCs, a novel type of hybrid HVDC transmission is proposed, in which at sending terminal the Phase Control Converter (PCC) is adopted and at receiving...

Conventional HVDC has the advantages of mature state of art and lower cost and the disadvantages of absorbing large reactive power and the danger of commutation fault. Voltage Source Converter (VSC) based HVDC (VSC-HVDC) has the advantages of flexible operation and control and the disadvantages of high cost. Combining the advantages of the two kinds of HVDCs, a novel type of hybrid HVDC transmission is proposed, in which at sending terminal the Phase Control Converter (PCC) is adopted and at receiving terminal the VSC is adopted. Simulation results show that the proposed hybrid HVDC system could operate steadily. Further more when single phase to ground or three phases short circuit fault occurs in one or both AC sides, the steadily operation of the proposed hybrid HVDC can be rapidly restored.

传统高压直流输电(HVDC)系统具有技术成熟、成本低廉的优点和需要吸收大量无功功率以及存在换相失败的危险等缺点;基于电压源换流器(Voltage Source Converter,VSC)的高压直流输电系统具有运行控制方式灵活的优点和相对成本较高的缺点。文中提出一种结合二者优点的新型混合直流输电方式,其送端采用传统HVDC 的相控换流器,受端采用VSC。仿真结果表明,这种混合直流输电系统可稳定地进行电力传输,且当交流系统发生单相接地故障和三相短路故障后,仍可以迅速恢复系统的稳定运行。

 
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