D-dot场式电压传感器试验系统
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TM451

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国家自然科学基金资助项目(51677009)。


Simulation system of field voltage sensor based on the D-dot sensor
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    摘要:

    传统电压互感器通过铁芯传递能量进行测量,由于铁芯的磁化饱和作用,导致响应频带窄,易产生铁磁谐振过电压。提出一种应用于电压测量的D-dot传感器,介绍其工作原理,并设计出新型电压传感器试验系统。D-dot传感器是一种非接触式测量的电场耦合传感器,其输出信号经过信号处理后,结合WiFi无线网络,与地面采集端组成试验系统。采集端采用LabVIEW技术实现信号的接收、数据处理与分析等功能。最后搭建了试验平台,测试了线电压为10 kV电压等级下电压传感器的整个试验系统的性能,试验结果表明:该电压传感器实时性好,精度高,响应速度快,试验系统稳定可靠。

    Abstract:

    The conventional voltage sensor measures voltage through the energy transfer by the core. While, due to the saturation magnetization of the core, the band response of measurement becomes narrow, and ferromagnetic resonance over-voltage appears. We presented a D-dot sensor for voltage measurement, introduced its working principle and designed a new type of voltage sensor test system to test its precision and accuracy. The D-dot sensor is connected with the collection terminal on the ground through the wireless network of hardware system, composing of ground simulation test system. The capture terminal can receive, process and analysis signals with LabVIEW technology. A test platform was built to simulate the voltage transformers in wire line of 10 kV voltage. The results show that the D-dot sensor has high precision and fast response, and the simulation system is stable and reliable.

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张宇,汪金刚,王永华,林森. D-dot场式电压传感器试验系统[J].重庆大学学报,2017,40(8):63-69.

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  • 收稿日期:2017-03-05
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  • 在线发布日期: 2017-09-05
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