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电网技术 2008, 32(2) 1-5 DOI:
ISSN: 1000-3673 CN: 11-2410/TM |
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| 论文 |
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±800 kV换流站无线电干扰研究 |
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薛辰东1，瞿雪弟1，杨一鸣2 |
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1．中国电力科学研究院，北京市 海淀区 100192； 2．国网直流工程建设有限公司，北京市 东城区 100005 |
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摘要：
分析了特高压直流换流站的无线电干扰源及其传播方式，以拟建中的±800 kV向家坝—上海直流输电工程为例，进行换流站无线电干扰的预测方法研究和计算：分析了干扰电压源、建立了高频模型，优化了无线电干扰(radio interference，RI)滤波器的设计。结果表明：换流站总无线电干扰以及交流、直流线路和接地极线路的无线电干扰频谱均随频率升高而下降；合理装设RI滤波器后，规定测量位置的无线电干扰水平基本上都小于40 dB；±500 kV换流站的无线电干扰限值可以作为±800 kV换流站的无线电干扰控制限值。文章还给出了减少换流站无线电干扰的相关建议。 |
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关键词：
无线电干扰
特高压
直流换流站
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Study on Radio Interference in ±800 kV Converter Station |
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XUE Chen-dong1，QU Xue-di1，YANG Yi-ming2 |
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1．China Electric Power Research Institute，Haidian District，Beijing 100192，China； 2．State Grid DC Project Construction Company Limited，Dongcheng District，Beijing 100005，China |
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Abstract:
The source of radio interference and its radiation in UHVDC converter station was investigated. Taking planned ±800 kV Xiangjiaba-Shanghai DC transmission project for example, research on forecasting method for radio interference in converter station and corresponding calculation were conducted, including interference voltage source analyzing, high frequency model establishing, and radio interference filter optimizing. Calculation results show that the total radio interference in converter station and the radio interference levels in AC and DC transmission lines as well as that in grounding lines are reduced with the increase of frequency; basically, all the radio interference levels at specified measuring positions are less than 40dB; thus the limit values of radio interference for ±500kV converter stations can be used as that of radio interference for ±800kV converter stations. Relevant suggestions on reducing radio interference caused by converter station are given. |
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Keywords:
radio interference
ultra high voltage (UHV)
DC converter station
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收稿日期 1900-01-01 修回日期 1900-01-01 网络版发布日期 |
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DOI: |
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| 本刊中的类似文章 |
| 1．黄道春|阮江军|文 武|李昊星|赵全江|郑 伟.特高压交流输电线路电磁环境研究[J]. 电网技术, 2007,31(1): 6-11 |
| 2．杨 勇|鞠 勇|陆家榆|雷银照 .极导线垂直和水平排列±500 kV直流输电线路的电磁环境比较分析[J]. 电网技术, 2008,32(6): 71-75 |
| 3．杨 光|吕英华.交流特高压输电线路无线电干扰特性[J]. 电网技术, 2008,32(2): 26-28 |
| 4．庄池杰|曾 嵘|龚有军|何金良.交流输电线路的无线电干扰计算方法[J]. 电网技术, 2008,32(2): 56-60 |
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