Premolded stress cone with geometric design and uniform interfacial pressure from the spring compression system ensures effective electric field control and long-term reliability;
Sufficient electrical safety design;
Interface dimensions fully comply with the latest IEC and GB standards;
Dry-type, fully sealed top design for easy installation and elimination of gas leakage risk;
The epoxy insulator (GIS plug-in part) can be pre-installed in the GIS enclosure (with sealing insert or sealing plate) before shipment, allowing factory electrical testing together with the GIS equipment;
Extension rod design allows flexible configuration between short-type and long-type terminations;
Proven design with extensive service experience, ensuring high operational reliability.
Application
• Connects cables to high-voltage switch gear.
Compatible Cables
• Cable Type: XLPE or other polymer-insulated, single-core copper/aluminum conductor HV power cables;
• Metallic Screen: Aluminum sheath, lead sheath, copper wire + aluminium copolymer tape, etc.
Product Application Standards
Applicable standards: IEC 60840，GB/T 11017，IEC 62271-209, GB/T 22381.
Technical Parameters
| Item | Technical Specifications | |||
Voltage Level（kV） | 38/66(72.5) kV | 64/110(126) kV | 76/132(145)kV | 87/150(170) kV |
Rated Voltage (U₀/U) | 38/66kV | 64/110kV | 76/132kV | 87/150 kV |
Highest System Voltage (Uₘ) | 72.5 kV | 126 kV | 145kV | 170kV |
Partial Discharge Test /pC | At 1.5 U₀: no detectable PD above specified sensitivity | |||
Power Frequency Withstand Voltage /kV | At 2.0 U₀ for 30 min, no breakdown or flashover | |||
Lightning Impulse Level /kV | 325 | 550 | 650 | 750 |
Overall Height L5/mm | 310/583 | 470/757 | 470/757 | 470/757 |
Net Weight (Excluding Cable) / kg | 65 | |||
Optional Solutions
• End bell to Metallic Sheath Connection: plumbing or mechanical connection;
• Connection between top connector and cable conductor by crimping or mechanical connector;
• Plug-in type or assembly type termination is available, supporting multi-angle installation;
• Optional flange surge arrester can be choosed (with L shape copper link);
• Optional fiber optic outlet design.
Operating Conditions
• Ambient temperature: –55 °C to +45 °C
• Installation: Indoor or outdoor substations, connected to Transformer equipment;
• Installation altitude: No limitation.
Storage Conditions
• Recommended storage temperature: 10–25 °C
• Storage Environment: Indoor, sealed, Clean, dry, and protected from heavy pressure.
Available Termination Selection (Recommended by Cable Insulation Diameter)
Voltage Level（kV） | Product Type | Standard (L5) (mm) | Conductor Size Range（mm²) | Cable Insulation Diameter(mm) |
38/66/72.5 | YJZGGS 38/66 | 310 | 300~2000 | 50~87 |
38/66/72.5 | YJZGGL 38/66 | 583 | 300~2000 | 50~87 |
64/110/126 | YJZGGS 64/110 | 470 | 240~1600 | 50~87 |
64/110/126 | YJZGGL 64/110 | 757 | 240~1600 | 50~87 |
76/132/145 | YJZGGS 76/132 | 470 | 240~1600 | 50~87 |
76/132/145 | YJZGGL 76/132 | 757 | 240~1600 | 50~87 |
87/150/170 | YJZGGS 87/150 | 470 | 240~1600 | 50~87 |
87/150/170 | YJZGGL 87/150 | 757 | 240~1600 | 50~87 |
Note:If the Termination’s specification is outside the above ranges can be customized based on cable section and insulation diameter.
Size
Voltage Level （kV） | Conductor Size Range（mm²) | L5[mm] | t2[mm] | M1xt1 | |
Long | Short | ||||
38/66/72.5 | 240 ~ 1600 (Cu/Al) | 583 | 310 | 270 | M10x∅80 |
64/110/126 | 240 ~ 1600 (Cu/Al) | 757 | 470 | 320 | M10x∅80 |
76/132/145 | 240 ~ 1600 (Cu/Al) | 757 | 470 | 320 | M10x∅80 |
87/150 /170 | 240 ~ 1600 (Cu/Al) | 757 | 470 | 320 | M10x∅80 |
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