PATR GIS and Oil Immersed Terminations
G&W’s PATR style transmission terminations are designed for gas insulated substation and oil immersed equipment applications on extruded dielectric cable systems rated 69kV, 145kV, and 245kV. G&W has been a leading supplier of innovative cable accessory solutions since it was founded in 1905. With installations and sales representation worldwide, G&W continues to offer the latest technology products with world-class, time proven performance. G&W is ISO 9001:2008 registered for its quality systems. G&W offers a wide variety of terminations and joints for all types of cable construction through 500kV Features:- Stress Cone: Factory molded and 100 percent tested
- Available with mechanical shrink or slip on installation method.
- Type tested per applicable requirements of IEEE 48, IEC 60840 and IEC 62067
- Field proven, time proven reliability, with installations worldwide.
This specification covers the requirements for a transmission voltage, extruded dielectric cable terminations for SF6 Gas Insulated Substation (GIS) applications. The termination design shall be G&W style PATR and suitable for use on single conductor cables through 245 kV. The terminations shall be used on copper or aluminum conductor cable with extruded insulation from 240-2500 mm2 (500 - 5000 kcmil). |
The terminations shall be designed, tested and built in accordance with applicable sections of IEC 840, IEC 859, IEEE 48 for Class 1 terminations, AEIC CS7 and AEIC CS6. The terminations shall be rated:
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Rated Voltage kV (IEC) |
Rated Voltage kV (IEEE)
|
BIL(kV) |
|
72.5 |
69
|
350 |
|
145 |
138
|
650 |
|
245 |
230
|
1050 |
|
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Equipment connection:
- Contact pad style suitable for GIS or oil immersed transformer applications
- Stem connector style suitable for oil immersed transformer applications.
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Epoxy insulator with built-in cable shield break
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Mechanical shrink stress cone
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Dielectric fluid
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Connector with double “O”-ring seal
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Aluminum base plate
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Aluminum clamping ring
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Aluminum entrance housing with heat shrink seal
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Cable preparation kit includes: grease, sandpaper, PVC tape, heat shrink seal, solder, flux, tinned copper ground braid and grounding lugs.
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• Bi-metallic crimp-type or migweld bi-metallic connector with silver-plated copper top
• Wiping sleeve entrance |
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