Creepage Extender
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Creepage enhancer
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High Voltage Creepage Extenders. HVCE creepage extenders represent a long-term solution to pollution flashovers by making a permanent addition to the creepage distance. This increases flashover voltage, reduces leakage currents and surface electrical stresses. They are available to fit insulators and bushings up to 500 kV, with shed diameter 80 mm to over 390 mm. Wrap-around HVCE-WA creepage extenders are cold applied and custom-made from semi-rigid polymer and bonded in place with a pressure sensitive track-resistant mastic. These are available to fit insulators and bushings up to 500 kV.
- Increases creepage length
- Improves insulator shape
- Bonds to insulator surface
- Rugged
- Proven materials
- Simple to install
- more...
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Email Us epd@raychemrpg.com
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Specifications
| Dimensions in mm (inches) | Application range | |||
|---|---|---|---|---|
| Size | Min. internal dia. of the extender (as supplied) | Max. shed dia. of insulator (d) | Min. shed dia. of insulator (d) | Nominal creepage extension per extender |
| HVCE-100/80-01 | 115 (4.5) | 100 (4.0) | 80 (3.2) | 100 (4.0) |
| HVCE-120/100-01 | 135 (5.3) | 120 (4.7) | 100 (4.0) | 100 (4.0) |
| HVCE-140/120-01 | 155 (6.1) | 140 (5.5) | 120 (4.7) | 100 (4.0) |
| HVCE-160/140-01 | 180 (7.1) | 160 (6.3) | 140 (5.5) | 100 (4.0) |
| HVCE-183/161-01 | 205 (8.1) | 183 (7.2) | 161 (6.3) | 100 (4.0) |
| HVCE-205/184-01 | 230 (9.0) | 205 (8.1) | 184 (7.2) | 100 (4.0) |
| HVCE-226/206-11 | 241 (9.5) | 226 (8.9) | 206 (8.1) | 100 (4.0) |
| HVCE-247/227-11 | 262 (10.3) | 247 (9.7) | 227 (8.9) | 100 (4.0) |
| HVCE-268/248-11 | 283 (11.1) | 268 (10.5) | 248 (9.8) | 100 (4.0) |
| HVCE-289/269-11 | 304 (12.0) | 289 (11.4) | 269 (10.6) | 100 (4.0) |
| HVCE-310/290-11 | 325 (12.8) | 310 (12.2) | 290 (11.4) | 100 (4.0) |
| HVCE-331/311-11 | 346 (13.6) | 331 (13.0) | 311 (12.2) | 100 (4.0) |
| HVCE-352/332-11 | 367 (14.4) | 352 (13.8) | 332 (13.1) | 100 (4.0) |
| HVCE-373/353-11 | 388 (15.3) | 373 (14.7) | 353 (13.9) | 100 (4.0) |
| HVCE-394/374-11 | 409 (16.1) | 394 (15.5) | 374 (14.7) | 100 (4.0) |
Technical Information
|
General properties |
Test method |
Typical data* |
|---|---|---|
|
Density |
ISO/R1183 Method A |
1.2 g/cm3 |
|
Tensile strength |
ISO 37 |
10 N/mm2 |
|
Ultimate elongation |
ISO 37 |
400 % |
|
Low temperature flexibility 4 hours at –40°C |
ASTM D2671 Procedure C |
no cracking |
|
Thermal endurance |
IEC 216 |
120°C |
|
Electric strength |
IEC 243 |
140 kV/cm |
|
Dielectric constant |
IEC 250 |
3 |
|
Volume resistivity |
IEC 93 |
1 x 1014 W cm |
Additional properties Further details are given in our Specification PPS 3011
Certifications
CPRI
More info available on request
ERDA
More info available on request