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The dry compact GIS/Transformer termination for voltage classes up to 245 kV is designed to be installed in cable entry housings of gas-insulated switchgear (GIS)/Transformer.
- Complies with IEC 62271-209 standard, which essentially specifies interfaces between termination and switchgear
- Adapters available to match dimensions of wet (oil-filled) type terminations, as specified in IEC 60859
- Insulator can be installed by GIS / transformer manufacturer at factory, saving installation time on-site and reducing risk of contamination of cable entry housing
- No special tools required for installation
- Easily separable, consists of a plug-in part and epoxy resin insulator
- Transformer Terminations comply to dimensions as per EN50299 Standard
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Specifications
| Parameter |
|---|
| Operates in SF6 and insulating liquids like transformer oil |
| Corona shield at top of Transformer termination provides shielding for terminal |
| Dry interfaces, no oil-filling |
| Pressure-tight resin housing |
| Prefabricated and factory-tested silicone-rubber stress cone |
| Torque-controlled or wedge-type multi-contact conductor bolt |
| Insulated cable gland for sectionalization |
| Type tested according to IEC 60840 and IEC 62067 standards |
|
Design Data |
|||
|---|---|---|---|
|
Rated kV |
36/69 (72.5) |
76/132 (145) |
127/220 (245) |
|
Diameter over insulation range |
38.40mm - 77.4 mm |
38.40 mm - 95.10 mm |
64.0 -123.1 mm |
|
Diameter over sheath |
≤120 mm |
≤140 mm |
≤160 mm |
|
Cable screen type |
Corrugated Al. sheath, Copper wire, Copper tape, Lead sheath, etc. |
Corrugated Al. sheath, Copper wire, Copper tape, Lead sheath, etc. |
Corrugated aluminium sheath/Lead sheath/Cu wire. etc. |
|
Max. Cross section (Al/Cu) |
≤1200 mm² |
≤1600 mm² |
≤2500 mm² |
|
Conductor connection |
Mechanical (shear off bolts)/Wedge connector |
Mechanical (shear off bolts)/Wedge connector |
Mechanical (shear off bolts)/Wedge connector |
|
Material of Housing |
Epoxy Resin |
Epoxy Resin |
Epoxy resin |
|
Material of connection bolt |
Aluminum Alloy |
Aluminum Alloy |
Aluminum Alloy |
|
Method of Stress Control |
Geometric |
Geometric |
Geometric |
|
Type of Stress Cone |
Pre-moulded silicone rubber |
Pre-moulded silicone rubber |
Pre-moulded silicone rubber |
|
Corona Shield (only for Transformer Termination) |
Aluminium Alloy |
Aluminium Alloy |
Aluminum Alloy |
|
Installation temperature [°C] |
0 to +40 |
0 to +40 |
0 to +40 |
|
Operation temperature |
-55 °C - +55 °C |
-55 °C - +55 °C |
-55 °C - +55 °C |
|
Storage temperature [°C] |
0 to +40 |
0 to +40 |
0 to +40 |
Technical Information
|
Relevant standard |
|
IEC 60840 |
IEC 60840 |
IEC 62067 |
|---|---|---|---|---|
|
Rated voltage U0 /U (Um) |
kV |
36/69 (72.5) |
76/132 (145) |
127/220 (245) |
|
Rated frequency |
Hz |
50 |
50 |
50 |
|
Lightening impulse voltage 1.2/50µs |
kV |
350 |
650 |
1050 |
|
AC Voltage withstand test (15/30 min) |
kV |
90 |
90 |
254/318 |
|
Partial discharge 1.5Uo (kV) |
pC |
≤5 |
≤5 |
≤5 |
|
Rated current |
kA |
as per cable |
as per cable |
as per cable |
|
Rated short circuit current conductor) 1s |
kA |
as per cable |
as per cable |
as per cable |
|
Rated short circuit current (sheath) 1s |
kA |
as per cable |
as per cable |
as per cable |
|
Creepage distance |
mm |
254 |
410 |
475 |
|
Electrical Data for 72/145/245 kV GIS / Equipment Extra High Voltage Termination |
||||
Certifications
CPRI
More info available on request
KEMA
More info available on request
KIT
More info available on request
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