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Plug-in GIS terminal
Plug-in GIS terminal
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Application areas:
Primarily used in AC high-voltage power transmission, suitable for connecting cables to sulfur hexafluoride gas-insulated switchgear, and for connecting power cables to high-voltage transformers.
Product Description
Product Description
- 1. The terminal stress cone is made of imported EPDM rubber injection molding and is pressed tightly against the inner cone surface of the epoxy sleeve by a spring cone support. This overcomes the shortcomings of stress cone elastic relaxation caused by material aging and poor contact between stress cone and outer semiconductive layer of cable, thus ensuring long-term safe and stable operation of the terminal.
- 2. The terminal has a completely dry structure, eliminating leakage problems;
- 3. The product has a compact structure, is lightweight and small in size, which greatly reduces the installation space required;
- 4. The terminal and cable are connected by a plug-in type, which is simple to install and easy to maintain;
- 5. Plug-in GIS terminals are suitable for connecting power cables and transformers;
- 6. The short plug-in GIS terminal, after being equipped with an extension rod, is suitable for GIS equipment that is paired with the long GIS terminal.
Ordering Instructions
- 1. When ordering, please provide a structural dimension drawing of the matching cable and specify the cross-section of the grounding cable;
- 2. The dimensions of the GIS terminals and GIS switchgear produced by our company are in accordance with IEC62271 and GB/T 22381 standards. When ordering, please inform us of the execution standard and interface height of the GIS switchgear, or provide a diagram of the GIS switchgear enclosure for confirmation of the matching dimensions.
- 3. If you have any other special requirements, please contact the sales manager before placing an order.
Product Parameters
| Serial Number | project | Parameters (110kV) | Parameters (220kV) |
|---|---|---|---|
| 1 | Plug-in GIS terminal | ||
| 1.1 | Specification | WYJZGGC-64/110 | WYJZGGC-127/220 |
| 1.2 | Implementation Standards | IEC60840 IEC62271 GB/T11017 |
IEC62067 IEC62271 GB/Z 18890 |
| 1.3 | Rated voltage (Uo/U) | 64/110kV | 127/220kV |
| 1.4 | Maximum operating voltage (Um) | 126kV | 252kV |
| 1.5 | Baseline Impact Resistance Level (BIL) | 550kV | 1050kV |
| 1.6 | Maximum rated temperature of conductor: | ||
| a) During normal operation | 90℃ | 90℃ | |
| b) Transient (short-circuit current duration not exceeding 5 seconds) | 250℃ | 250℃ | |
| 1.7 | insulating sleeve | ||
| a) Materials | Epoxy resin | Epoxy resin | |
| b) Length | 631mm | 1152mm | |
| 1.8 | Precast stress cone | ||
| a) Materials | Imported EPDM rubber | Imported EPDM rubber | |
| b) Storage conditions and shelf life | Cool and dry place, 5 years | Cool and dry place, 5 years | |
| 1.9 | Terminal weight | 50/60kg | 210kg |
| 1.10 | high | 470/757mm | 620/960mm |
| 1.12 | Tailpipe sealing type | Waterproof tape, heat shrink tubing | Waterproof tape, heat shrink tubing |
| 1.13 | Other insulating media inside the casing | dry | dry |
| 1.14 | Metal grounding of the terminal | ||
| b) Specifications and quantity | ≥240mm2 | ≥240mm2 | |
| c) Equivalent cross section | Consistent with cables | Consistent with cables | |
| d) Allowable maximum short-circuit current | Consistent with cables | Consistent with cables |
Product Selection
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Model: WYJZGGC
Suitable for both indoor and outdoor use
Applicable cable standard cross-section: 240-1600mm²
The terminal insulation level, current carrying capacity, long-term operating temperature, and short-circuit temperature all meet the technical requirements of the cables they are used with.
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