一種主變壓器中性點直流電流測量裝置改進
陳禹安
（廣東電網有限責任公司佛山供電局，廣東 佛山 528000）
摘 要：介紹一種主變壓器中性點直流電流測量裝置的改進應用，對該裝置的構成、設計原理和調試安裝進行了闡述。通過將傳統戶外式的電流互感器整合到測量裝置端子箱模塊總成里面，提高了電流互感器的測量精度，保障測量模塊不受戶外環境因素影響，避免造成設備老化而影響數據的準確性。運用該新型的測量模式可復制性地推廣至更多的中性點直流電流測量設備，為電網規劃建設提供一種可行的方案。
關鍵詞：主變壓器；中性點直流測量；電流互感器；裝置改進
中圖分類號：TM401+.2 文獻標識碼：A 文章編號：1007-3175(2020)01-0063-03
A Kind of Neutral Point Direct Current Measuring Equipment Improvement in Main Transformer
CHEN Yu-an
（Foshan Power Supply Bureau of Guangdong Power Grid Co., Ltd, Foshan 528000, China）
Abstract: Introduction was made to a kind of improved application of DC current measuring device for neutral point of main transformer. This paper expounded the constitute, the design principle and the debugging installation of this device.By integrating the traditional outdoor current transformer into the terminal box module assembly of measuring device, the measuring accuracy of current transformer was improved, so that the measuring module was not affected by the aging of equipment caused by outdoor environment.The application of this new type measuring module can be copied to much more neutral point DC measuring devices, which provides a kind of feasible scheme for the power system planning and construction.
Key words: main transformer; neutral point DC measurement; current transformer; device improvement
參考文獻
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