66~110kV Dry Pluggable GIS Termination

The 66~110kV Dry Pluggable GIS termination is a critical part of high - voltage electrical equipment. It's suitable for the corresponding voltage level and uses a dry - type insulation design instead of the traditional oil - immersed type. It's maintenance - free and environmentally - friendly.

 

The plug - in structure is convenient for on - site installation and removal, which greatly reduces construction time and difficulty and ensures efficient and safe operations. Its internal structure is precise, enabling a stable connection between cables and GIS equipment for reliable power transmission. It can withstand high - electric fields and thermal stress and is widely used in urban power grids, substations and other places to improve power supply stability and maintenance convenience.

 

 

 

 

Item	Technical parameters
Rated voltage and frequency	64/110kV,50Hz
Max operation voltage	126 kV
Environment temperature	-40°C ~+40°C
Maximum Conductor Temperature in Normal Operation	90°C
Maximum Conductor Temperature During Short Circuit	250°C
Applicable Cable Cross-Section	240~1600mm2
Partial Discharge Test (Room Temperature, 96 kV)	No detectable discharge at declared sensitivity (≤5 pC)
Thermal cycle voltage test(128kV,95°C ~100°C ,heating 8h,cooling 16h)	Completed 20 cycles
Partial discharge test(high temperature,96kV)	No detectable discharge at declared sensitivity (≤5 pC)
Impulse voltage test followed by power frequency voltage test (95°C ~100°C ,±550kV 10 times each) Impulse Voltage Test (95℃–100℃, ±550 kV, 10 times each) Power Frequency Voltage Test (160 kV, 15 min)	No breakdown or flashover No breakdown or flashover
Power frequency voltage test for outdoor termination(wet test,185kV,1min)	No breakdown or flashover
Sealing Test for Assembled Terminations a. Pressure Leakage Test (250±10 MPa, 1 h) b. Vacuum Leakage Increase Test (1 h) – Pressure Increment (B–A)	No gas leakage ≤2kPa

 

 

● The entire terminal is of dry-type construction, with no insulating oil filled inside, making it both environmentally friendly and maintenance-free.

● Equipped with combined springs to ensure the stress cone surface tightly adheres to the inner wall of the epoxy sleeve, maintaining constant interface pressure over the long term.

● Easy to install, with no need for SF6 gas filling or evacuation.

● The main insulation components have been factory-tested in accordance with standard regulations.

 

 

66~110kV Long type Dry Pluggable GIS termination

 

 

Jinneng Electric power technology Hubei Co.,Ltd is focused on production and manufacturing, and has been constantly improving R&D innovation capability, expanding product range and updating products function. The factory has a professional R&D team, There are more than 20 excellent R&D design engineers, who can develop more than 50 new products every year to meet the needs of different markets and customer's requirements.

Our factory have professional laboratory and full testing equipment so as to ensure the quality of products and leading position in technology. Meanwhile, we always keep up with the trend of the development of the times, pay attention to exchanges and cooperation with the same industry, and improving our technical competitiveness constantly, to provide customers with more quality products.

 

 

 

● Connection of urban underground cable networks to GIS substations.

● Main step-down stations for large industrial and mining enterprises.

● Outgoing lines from step-up stations at hydropower plants, wind farms, and photovoltaic power plants.

● Main substations for rail transit systems.

● Any scenario requiring the connection of high-voltage cables to compact GIS-based substations.

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