纳米材料介电屏蔽型光学电压互感器设计

Design of nano-material dielectric shielding optical potential transformer

针对光学电压互感器(OPT)的外界电场屏蔽和绝缘单元发热等问题,采用纳米复合介电屏蔽材料,设计了纳米材料介电屏蔽型电子式光学电压互感器(NOPT),消除或减弱外界杂散电场的干扰,实现了光学技术在外界杂散电场干扰的实际运行环境中高电压的精确测量,同时有效地将介电屏蔽结构的发热降低到允许范围。实验结果表明:该光学电压互感器的精度准确性和运行稳定性均符合国家光学电力互感器测量标准。

This paper aims to address the problems of external electric field shielding,the heating of the insulating unit of the optical potential transformer(OPT),etc.Nano-composite dielectric shielding materials are used to design a nano-material dielectric shielding electronic optical potential transformer(NOPT)to eliminate or reduce the interference of external stray electric fields.It can accurately measure the high voltage in the actual operating environment disturbed by the external stray electric field using optical technology,and at the same time effectively reduce the heat generation of the dielectric shielding structure and maintain it within the allowable range.Related experimental results show that the accuracy and operational stability of the optical potential transformer are in line with China′s measurement standards of optical potential transformers.