±1 100 kV换流站交流滤波器场的工频电场仿真

doi:10.11930/j.issn.1004-9649.201808059

中国电力 ›› 2019, Vol. 52 ›› Issue (6): 121-127.DOI: 10.11930/j.issn.1004-9649.201808059

±1 100 kV换流站交流滤波器场的工频电场仿真

王延召, 周兵, 张业茂, 谢辉春, 刘震寰

中国电力科学研究院有限公司电网环境保护国家重点实验室, 湖北武汉 430074

收稿日期:2018-08-13 修回日期:2018-09-25 出版日期:2019-06-05 发布日期:2019-07-02
通讯作者: 王延召(1984-),男,通信作者,博士,高级工程师,从事电磁环境和噪声控制与治理研究,E-mail:303869160@qq.com
作者简介:周兵(1985-),男,硕士研究生,高级工程师,从事电磁环境和电网噪声特性及控制技术研究,E-mail:zhoubing2@epri.sgcc.com.cn 张业茂(1982-),男,硕士,高级工程师,从事电磁环境和电力电子技术研究,E-mail:zhangyemao@epri.sgcc.com.cn
基金资助:
国家自然科学基金资助项目（51607163）；国家电网公司科技项目（GYW11201702509）。

Simulation of the Power Frequency Electric Field in the AC Filter Area of the HVDC Converter Station

WANG Yanzhao, ZHOU Bing, ZHANG Yemao, XIE Huichun, LIU Zhenhuan

State Key Laboratory of Power Grid Environmental Protection, China Electric Power Research Institute, Wuhan 430074, China

Received:2018-08-13 Revised:2018-09-25 Online:2019-06-05 Published:2019-07-02
Supported by:
This work is supported by National Natural Science Foundation (No.51607163),Science and Technology Project of (No.GYW11201702509).

摘要/Abstract

摘要： 随着公众对电磁环境的关注越来越高，在工程设计阶段需要对换流站内的电磁环境水平进行准确预测和评估。依据±1 100 kV古泉换流站交流侧区域的设计方案，建立了1 000 kV交流侧区域的三维仿真模型，利用有限元仿真软件分析了不同情况下交流滤波器场周围巡视通道上的工频电场分布情况以及进线管母高度和相间距对其影响。计算表明，交流滤波器场内电容器组对交流滤波器场周围巡视通道上的工频电场贡献相对较小，而巡视通道上方管母对其贡献相对较大，可以对电容器组进行简化建模。巡视通道上的工频电场随管母高度的增加而降低，随相间距的减小而减小。当管母的设计高度为16.5 m且相间距为14.2 m时，1 000 kV 交流区域内巡视通道上的工频电场水平幅值最大为11.8 kV/m，满足标准GB 50697—2011中对工频电场的限值要求。为验证计算方法的准确性，采用相同方法对同里换流站500 kV交流侧区域的工频电场进行了仿真，仿真值与测量值的一致性证明了计算方法的准确性和有效性。

关键词: 交流滤波器场, 电磁环境, 工频电场, 管母高度, 高压直流

Abstract: With the increasing of the public’s attention on the electromagnetic environment, it is necessary to predict and evaluate precisely the level of the electromagnetic environment at the design stage for high voltage direct current (HVDC) converter station. Different 3D simulation models of 1 000 kV AC side region are established according to the design scheme of the AC side converter area of ±1 100 kV Guquan converter station. By using the finite element analysis software, the power frequency electric field at the patrol channel around the AC filter field is analyzed on the basis of the different models. In addition, the influence of the height and the phase spacing of the bus-bar are also analyzed. The calculation results show that the capacitor bank in the AC filter area contributes relatively little to the power frequency electric field at the patrol channel around the AC filter area, but the tube above the patrol channel contributes relatively large. Therefore, the model of the capacitor tower can be simplified to reduce the calculation consumption. Based on the simplified simulation model, it is found that the power frequency electric field on the patrol channel decreases with the increase of the height of the bus-bar, and it also decreases with the decrease of the phase spacing. For the Changji converter station, the maximum value of the power frequency field on the inspection channel in the 1 000 kV AC area is 11.8 kV/m when the height of the bus-bar is 16.5 m and the spacing distance is 14.2 m. This value satisfies the requirements of engineering design. In order to verify the accuracy of the calculation method, the same method is used to simulate the power frequency electric field in the 500 kV AC field of Tongli converter station, and the simulation results agree well with the test results.

Key words: AC filters, electromagnetic environment, power frequency electric field, busbar height, HVDC

中图分类号:

TM15

王延召, 周兵, 张业茂, 谢辉春, 刘震寰. ±1 100 kV换流站交流滤波器场的工频电场仿真[J]. 中国电力, 2019, 52(6): 121-127.

WANG Yanzhao, ZHOU Bing, ZHANG Yemao, XIE Huichun, LIU Zhenhuan. Simulation of the Power Frequency Electric Field in the AC Filter Area of the HVDC Converter Station[J]. Electric Power, 2019, 52(6): 121-127.

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https://www.electricpower.com.cn/CN/Y2019/V52/I6/121

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±1 100 kV换流站交流滤波器场的工频电场仿真

Simulation of the Power Frequency Electric Field in the AC Filter Area of the HVDC Converter Station

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±1 100 kV换流站交流滤波器场的工频电场仿真

Simulation of the Power Frequency Electric Field in the AC Filter Area of the HVDC Converter Station

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