適用于同步寬頻測(cè)量的通信規(guī)約研究
李金1,劉科孟1,郭芳2,時(shí)伯年2,謝曉冬2
(1 中國(guó)南方電網(wǎng)電力調(diào)度控制中心,廣東 廣州 510530;
2 北京四方繼保自動(dòng)化股份有限公司,北京 100085)
摘 要:針對(duì)新能源并網(wǎng)、高壓直流輸電存在的寬頻振蕩問(wèn)題,以同步相量測(cè)量裝置 (PMU) 為基礎(chǔ),將寬頻測(cè)量結(jié)果納入廣域同步測(cè)量系統(tǒng) (WAMS) 勢(shì)在必行。為實(shí)現(xiàn)寬頻測(cè)量結(jié)果的實(shí)時(shí)傳輸,分析了現(xiàn)行的主子站同步相量通信規(guī)約, 并在此基礎(chǔ)上提出兩種不同的寬頻測(cè)量規(guī)約擴(kuò)展方案,并從數(shù)據(jù)傳輸帶寬、工程改造和可擴(kuò)展性等方面對(duì)兩種方案進(jìn)行了分析,旨為 PMU 裝置寬頻測(cè)量傳輸規(guī)約的制定和完善提供基礎(chǔ)支撐。
關(guān)鍵詞: 同步相量測(cè)量裝置;寬頻測(cè)量;通信傳輸;規(guī)約擴(kuò)展
中圖分類號(hào):TM734 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):1007-3175(2023)05-0048-05
Research on Communication Protocol for Synchronized
Wide-Frequency Measurement
LI Jin1, LIU Ke-meng1, GUO Fang2, SHI Bo-nian2, XIE Xiao-dong2
(1 China Southern Power Grid Power Dispatching Control Center, Guangzhou 510530, China;
2 Beijing Sifang Automation Co.,Ltd, Beijing 100085, China)
Abstract: The new energy grid connection and HVDC transmission have the problem of wide-range-frequency oscillations, so it is imperative to incorporate wide-frequency measurement results into the Wide Area Measurement System (WAMS) based on the Phasor Measurement Unit (PMU). To realize real-time transmission of wide-frequency measurement results, the paper analyzes the current synchronized phasor communication protocol of main stations and substations and proposes two different expansion schemes of wide-frequency measurement protocol. It makes analysis of two schemes from the aspects of data transmission bandwidth, engineering reconstruction and expandability to lay foundation for formulating and improving the wide-frequency measurement transmission protocol of PMU.
Key words: phasor measurement unit; wide-frequency measurement; communication transmission; protocol extension
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