The utility model relates to a miniature dual resistor divider voltage sensor, including pressure resistance, which is characterized in that the epoxy resin casting body according to a certain distance is arranged in parallel two insulating resistor, two input terminals of the divider resistance in parallel, one end is a high voltage input terminal, the other end is a ground terminal, two points pressure resistance of an output of the measuring voltage signal, another output signal voltage protection equipment. The voltage sensor adopts the structure of two way voltage divider, which can output measuring signal and equipment protection signal simultaneously. The two way divider resistors arranged in parallel are molded by epoxy resin, and they have good insulation performance. The output signals are not interfered by each other, and the measurement accuracy of the products is guaranteed. The product has the advantages of small size, light weight, safe and reliable operation, small space occupation and low manufacturing cost.
【技术实现步骤摘要】
微型双路电阻分压电压传感器
本技术涉及一种电气元件,特别是用于10kV一体化柱上开关柜和配电一二次成套设备中作测量和保护用的微型双路电阻分压电压传感器。
技术介绍
目前,在电力系统和配电网自动化系统中使用的电阻分压式电压传感器,是由浇注在环氧树脂内的一个电阻分压器构成,电压传感器只具有一路输出。用于测量三相电压和零序电压时,需要采用6只电压传感器才能完成测量,即3只用于三相电压测量,3只组合后用作零序电压测量。这种电压传感器在应用中需要多只配合使用,安装操作比较麻烦,多只电压传感器安装后占据的空间大,不能满足电力系统对10kV一体化柱上开关柜和配电一二次成套设备小型化的要求。
技术实现思路
本技术的目的在于提供测量和保护一体化,减小安装空间的微型双路电阻分压电压传感器。本技术的技术解决方案是:一种微型双路电阻分压电压传感器,包括分压电阻,其特征在于在环氧树脂浇注体内按一定绝缘距离并列设置两路分压电阻,两路分压电阻的输入端相并联,其一端为高压输入端,另一端为接地端,两路分压电阻的一路输出测量用电压信号,另一路输出设备保护用电压信号。本技术的特点是:电压传感器采用并接两路 ...
【技术保护点】
一种微型双路电阻分压电压传感器,包括分压电阻,其特征在于在环氧树脂浇注体内并列设置两路分压电阻,两路分压电阻的输入端相并联,其一端为高压输入端,另一端为接地端,两路分压电阻的一路输出测量用电压信号,另一路输出设备保护用电压信号。
【技术特征摘要】
1.一种微型双路电阻分压电压传感器,包括分压电阻,其特征在于在环氧树脂浇注体内并列设置两路分压电阻,两路分压电阻的输...
【专利技术属性】
技术研发人员:王骞,王军,周旭,蔡丽娜,王雨凡,李丰念,
申请(专利权)人:大连第一互感器有限责任公司,
类型:新型
国别省市:辽宁,21
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