Suzhou Electric Appliance Research Institute
期刊號(hào): CN32-1800/TM| ISSN1007-3175

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高壓交流輸電線路電場(chǎng)建模與實(shí)時(shí)監(jiān)測(cè)系統(tǒng)研究

來(lái)源:電工電氣發(fā)布時(shí)間:2023-11-10 10:10 瀏覽次數(shù):233

高壓交流輸電線路電場(chǎng)建模與實(shí)時(shí)監(jiān)測(cè)系統(tǒng)研究

丁道軍,張廣宏,張博
(江蘇省送變電有限公司,江蘇 南京 210028)
 
    摘 要:設(shè)計(jì)了一種基于狹小空間電場(chǎng)監(jiān)測(cè)系統(tǒng),該系統(tǒng)可以實(shí)時(shí)監(jiān)測(cè)輸電線路附近的電場(chǎng)信息。通過(guò)將模擬電荷法計(jì)算應(yīng)用于二維電場(chǎng)以及三維電場(chǎng)中,計(jì)算目標(biāo)位置電場(chǎng)分布。建立輸電線路鄰近有無(wú)金屬結(jié)構(gòu)建筑物三維簡(jiǎn)化模型,優(yōu)化設(shè)置模擬電荷數(shù)量,進(jìn)行高壓輸電線路周圍電場(chǎng)的數(shù)值計(jì)算分析,并在 MATLAB 軟件中建立數(shù)值計(jì)算模型,仿真分析得到輸電線路有無(wú)建筑物的電場(chǎng)分布情況,驗(yàn)證簡(jiǎn)化模型的可行性。針對(duì)電場(chǎng)監(jiān)測(cè)系統(tǒng)的采集系統(tǒng)做出整體方案的軟硬件設(shè)計(jì),完成電場(chǎng)標(biāo)準(zhǔn)環(huán)境參數(shù)的搭建與校準(zhǔn),通過(guò)在 1 000 kV 高壓交流試驗(yàn)基地進(jìn)行現(xiàn)場(chǎng)測(cè)試,驗(yàn)證了采集系統(tǒng)裝置的可行性。
    關(guān)鍵詞: 輸電線路;狹小空間;電場(chǎng)監(jiān)測(cè);模擬電荷法
    中圖分類號(hào):TM726.1     文獻(xiàn)標(biāo)識(shí)碼:A     文章編號(hào):1007-3175(2023)11-0033-08
 
Research on Electric Field Modeling and Real-Time Monitoring
System of HVAC Transmission Lines
 
DING Dao-jun, ZHANG Guang-hong, ZHANG Bo
(Jiangsu Transmission Substation Company, Nanjing 210028, China)
 
    Abstract: The electric field monitoring system in the narrow and small space is designed in this paper to monitor the electric field information near transmission lines in real time. Through applying the charge simulation method to 2D and 3D electric field, the electric field distribution of target position is calculated. The simplified 3D model of transmission line with and without the presence of metal structure is built, the simulation charge quantity is set optimally, the electric field around high voltage transmission lines is calculated, and the numerical calculation model is established in the MATLAB. According to the simulation analysis, the electric field distribution of transmission lines with and without the structure is able to be obtained, which verifies the feasibility of the simplified model. Then, the paper makes the overall software and hardware design of the electric field monitoring acquisition system, completing the construction and calibration of electric field standard environmental parameters. After the field test in the 1 000 kV high-voltage AC test base, the feasibility of the acquisition system device is verified.
    Key words: transmission line; narrow and small space; electric field monitoring; charge simulation method
 
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