10kV用无源电子式电压传感器的应用研究与分析?
投稿时间:2019-11-06  修订日期:2019-11-28  点此下载全文
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作者单位邮编
丁永生* 国网电力科学研究院有限公司 江苏南京 211000
李自清 上海置信电气股份有限公司 上海 
基金项目:南京市市级项目基金
中文摘要:针对传统技术中采用电磁式CT互感器带来的不足,提出了适用于10kV的无源电子式电压互感器,根据电压互感器的工作原理,进而提出10kV无源电子式电压互感器在电能表检定装置的意义,进一步分析了无源电子式电压互感器在电力设备中应用的重要性和必要性,无源电子式电压传感器技术能够有效地避免传统技术在电力线路信号传输和处理时带来附加误差,提高了电能计量、保护和测量系统的精度,推进了电力系统朝向数字化、电子化、自动化、网络化的方向发展。试验表明,采用10kV的无源电子式电压传感器同比传统CT互感器,误差精度提高10%以上。
中文关键词:CT互感器  无源电子式电压互感器  光电式电压互感器  全光纤型传感器  误差精度
 
Application Research and Analysis of Passive Electronic Voltage Sensor for 10kV
Abstract:Aiming at the shortcomings caused by the use of electromagnetic CT transformers in traditional technology, a passive electronic voltage transformer is proposed, and the working principle of the photoelectric voltage transformer is explained. By applying the photoelectric voltage transformer to the energy meter Verification device, indicating the importance and necessity of the application of passive electronic voltage transformers in power equipment, The application of photoelectric voltage transformer can avoid the additional error caused by traditional technology in power line signal transmission and processing, improve the accuracy of electric energy metering, protection and measurement system, and promote the power system towards digitalization, electronic, automation and networking. Direction development. Tests show that passive electronic voltage sensors use traditional CT transformers to improve the error accuracy by more than 10%. Therefore, electronic transformers will completely replace conventional electromagnetic transformers, and will be safer, more effective and more reliable. Direction development.
keywords:CT transformer  passive electronic voltage transformer  photoelectric voltage transformer  all-fiber sensor  error accuracy
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