高压GIS终端
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Cable Accessories

The CYG series power cable accessories are a comprehensive range of products intended for protecting, connecting, and monitoring power cable systems across various voltage levels, ranging from ±160kV to ±320kV DC and 56/66kV to 500kV AC for high-voltage/ultra-high-voltage systems, down to 1kV to 35kV AC for medium-low voltage systems.

Product Presentation

This series provides reliable electrical connection, intact insulation sealing, and firm mechanical fixation for key components including terminals, joints, supporting accessories, and intelligent monitoring components. It is widely applied in scenarios such as key power grid projects, new energy stations, rail transit, building power distribution, and industrial plants. The accessories can operate correctly over a wide range of environmental conditions to accommodate special working conditions such as flexible DC, high pollution, high altitude, humidity, salt spray, and narrow spaces.

The entire series strictly complies with domestic and international standards such as IEC 60840, IEC 62067, GB/T 11017, IEC 61238-1, and GB/T 11033. It has passed rigorous tests including thermal cycling, salt spray, and partial discharge, featuring a long mechanical life, an aging life exceeding 20 years, and strong environmental adaptability. This product series provides a safe, stable, efficient, and intelligent overall solution for modern power transmission and distribution systems.

Product Feature

Technical Specifications

LV cable accessories

MV cable accessories

HV cable accessories

  • 1min Power Frequency Withstand Voltage Test

  • Load Cycle Test

  • 4h Power Frequency Withstand Voltage Test

  • 5min Power Frequency Voltage Test

  • Partial Discharge Test

  • Constant Pressure Load Cycle Test in Air

  • Impulse Voltage Test

  • Joint Water-immersion Test

  • Maximum Allowable Temperature under Normal Operation

  • Maximum Allowable Temperature under Short Circuit


  • Partial Discharge Test

  • Thermal Cycle Voltage Test

  • Lightning Impulse Voltage Test

  • Power Frequency Voltage Test after Lightning Impulse Voltage Test

  • Short Time Power Frequency Voltage Test(Wet Test)(Porcelain Outdoor Termination,Composite Outdoor Termination, Dry-type Termination)

  • DC Voltage Test for Outer Protective Layer of Directly Buried Joint (Straight Joint/Sectionalized Joint)

  • Impulse Voltage Test for Outer Protective Layer of Directly Buried Joint (Straight Joint/Sectionalized Joint)


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