High-Frequency Current Method Using Clamp-On Sensor on Cable Ground Wire

The high-frequency current method uses a clamp sensor placed on the cable ground wire

Source: Yangzhou Darui Electric Co., Ltd. Date: 2026-03-09 点击：182 Industry Trends

Tianjin Anyuan Technology Development Co., Ltd.: Characteristics: Focuses on electrical equipment insulation monitoring, with multiple core patents (such as large motor partial discharge detection systems, variable frequency system VHF monitoring devices). Outstanding performance in the petrochemical industry with high explosion-proof requirements and large rotating motor monitoring fields. Jiangsu Fenggong Electric Technology Co., Ltd.: Characteristics: A leading enterprise in the field of GIS partial discharge online monitoring.

The high-frequency current method uses a clamp sensor placed on the cable ground wire

Leading Domestic Brands (Main Force for Domestic Substitution) With the acceleration of China's smart grid construction, domestic equipment has achieved strong competitiveness in sensitivity, anti-interference capability, and cost-effectiveness, with some indicators even surpassing imported products. Wuhan UHV Power Technology Co., Ltd. and Wuhan Huatian Electric Power Automation Co., Ltd.: Characteristics: Ranked at the forefront in the 2025 industry rankings. Excellent performance in high-voltage test equipment and online monitoring systems.

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The high-frequency current method uses a clamp sensor placed on the cable ground wire