EHV Outdoor Terminations
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Co Axial Bonding Dry Outdoor Termination EHV Extra High Voltage Link Box Oil Filled Termination Outdoor Termnation Sheath Voltage Limiter SVLNo Search Result
Related Tags :
Co Axial Bonding Dry Outdoor Termination EHV Extra High Voltage Link Box Oil Filled Termination Outdoor Termnation Sheath Voltage Limiter SVLHigh Voltage Outdoor Terminations upto 245 kV - Dry type and Fluid filled type with Composite insulator including link boxes. Composite terminations for voltage classes up to 245 kV operate under severe environmental conditions. Composite housings with creepage lengths up to 31 mm/kV are available for the most common and extremely pollution levels, according to IEC 60815 standard.
Fluid filled Composite Insulator Termination - leak proof and light weight composite housing
Dry and Dry Flexible Self-Support Termination - Dry interface, no oil-filling
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Oil filled 72/145/245 kV |
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---|---|---|---|
Rated Voltage kV |
36/66 (72.5) |
76/132 (145) |
127/220 (245) |
Diameter over insulation |
38.87 to 96.80 |
38.87 - 96.80 mm |
62.33 - 128.25 mm |
Diameter over sheath |
≤120mm |
≤140 mm |
≤160 mm |
Cable screen type |
Corrugated Al. sheath, Copper wire, Copper tape, Lead sheath. |
Corrugated aluminium sheath/Lead sheath/Cu wire. etc. |
Corrugated aluminium sheath/Lead sheath/Cu wire. etc. |
Cable Cross section (Al/Cu) |
≤1200 mm² |
≤1600 mm² |
≤2500 mm² |
Conductor connection |
Mechanical (shear head bolts) |
Mechanical (shear head bolts) |
Mechanical (shear head bolts) |
Material of connection bolt |
Aluminium/Copper |
Aluminium/Copper |
Aluminium/Copper |
Material of insulator - outer surface |
Silicone Rubber |
Silicone Rubber |
Silicone Rubber |
Colour of insulator |
Grey |
Grey |
Grey |
Method of stress control |
Geometric |
Geometric |
Geometric |
Stress cone |
Pre-moulded silicone rubber |
Pre-moulded silicone rubber |
Pre-moulded silicone rubber |
Insulating liquid |
Silicone Oil/Ester oil/Polyisobutlyene oil |
Silicone Oil/Ester oil/Polyisobutlyene oil |
Silicone Oil/Ester oil/Polyisobutlyene oil |
Installation temperature |
0 °C - +40 °C |
0 to +40 |
0 to +40 |
Operation temperature |
-55 °C - +55 °C |
-55 °C - +55 °C |
-55 °C - +55 °C |
Storage temperature |
0 °C - +40 °C |
0 to +40 |
0 to +40 |
Dry 145kV |
|
---|---|
Diameter over insulation |
34 – 74 mm |
Diameter over sheath |
≤99 mm |
Cable screen types |
Cu-wires w/o laminated foil, lead sheath, corrugated metal sheath, Cu-tape (other types and combinations on request) |
Max. Cross section (Al/Cu) |
1200 mm² |
Conductor connection |
Mechanical (shear head bolts) |
Material of connection bolt |
Aluminium |
Material of insulator - outer surface |
Silicone rubber |
Profile of insulator |
Alternating sheds |
Colour of insulator |
Grey |
Method of stress control |
Geometric |
Stress cone |
Prefabricated silicone rubber |
Max. permissible dielectric stress at core screen |
4 kV/mm (at core screen of cable) |
Insulating liquid |
none |
Material of fittings |
Aluminium |
,
Dry Flexible 145kV |
|
---|---|
Max. Cross section (Al/Cu) |
1200 mm² |
Max. XLPE Insulation diameter |
≤ 78 mm |
Connector style |
Crimping (with Aerial Lug) |
Creepage distance |
4590 mm |
Material of body |
Silicone rubber |
Comply with |
IEC60840 |
Method of stress control |
Stress cone |
Cable Screen type |
Cu Wire/Lead sheath/CAS/Copper tape |
Grounding style |
Mechanical connection without solder |
Colour of insulator |
Grey |
Oil filled 72/145/245 kV |
||||
---|---|---|---|---|
Relevant Standard |
|
IEC 60840 |
IEC 60840 |
IEC 62067 |
Rated voltage Uo/U (Um) |
kV |
36/66 (72.5) |
76/132 (145) |
127/220 (245) |
Rated frequency |
Hz |
50 |
50 |
50 |
Lightening impulse voltage 1.2/50µs |
kVp |
350 |
650 |
1050 |
Power frequency voltage withstand dry (15/30 min) |
kV |
90 |
190 |
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 (min.) |
mm |
2250 |
4500 |
7595 |
Flash-over distance |
mm |
740 |
1340 |
2320 |
Pollution level (IEC 60137; 1995, VDE 0674 Teil5) |
|
IV |
IV |
IV |
Withstand voltage of support insulators (AC/DC) |
kV |
10/20 |
10/20 |
10/20 |
Dry 145 kV |
||
---|---|---|
Relevant standard |
IEC 60840 / IEEE 48 |
|
Rated voltage Uo/U (Um) |
kV |
76/132 (145) |
Rated frequency |
Hz |
50 |
Lightening impulse voltage 1.2/50µs |
kV |
650 |
Power frequency voltage withstand dry (1 min) |
kV |
310 |
Power frequency voltage withstand wet (10 s) |
kV |
275 |
DC voltage withstand (15 min) |
kV |
355 |
Rated current |
kA |
as per cable |
Rated short-circuit current (conductor) |
kA |
as per cable |
Rated short-circuit current (sheath) 1s |
kA |
as per cable |
Total creepage distance |
mm |
4680 |
Protected creepage distance (90° shadow) |
mm |
1820 |
Flash-over distance |
mm |
1320 |
Withstand voltage of support insulators (AC/DC) |
kV |
10/20 |
Dry Flexible 145 kV: |
||
---|---|---|
Relevant standard |
|
IEC 60840 |
Rated voltage Uo/U (Um) |
kV |
76/132 (145) |
Highest voltage |
Hz |
50 |
Lightening impulse voltage |
kVp |
650 |
Power frequency voltage withstand dry (30 min) |
kV |
190 |
Current capacity |
A |
as per cable |
Permissible short-circuit current 1s |
kA |
as per cable |
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