Impulse Testers
High-Voltage RIP Capacitive Bushings: Precision Insulation Solutions
Engineered for Extreme Applications | IEC/IEEE Compliant | Maintenance-Free Reliability
| Bushing Type | Voltage Range | Key Application | Unique Advantage | |
|---|---|---|---|---|
| RIP Air to Oil Transformer | 40.5 kV – 550 kV | Insulating transformer leads from air (external) to oil (tank) | Sealed interface prevents oil contamination | |
| RIP Oil to SF6 Transformer | 40.5 kV – 1100 kV | Transition between transformer oil and GIS gas compartments | SF6-compatible sealing system | |
| Dry-Type Heavy Current | 24 kV – 40.5 kV | High-amperage systems (furnaces, reactors, generators) | 5000A+ continuous current rating | |
| Dry-Type Wall Bushing | 72.5 kV – 363 kV | Substation wall/floor penetrations | Non-flammable | Zero maintenance |
| RIP Converter Transformer (HVDC) | +20 kV – +800 kV | Valve-side DC bushings in converter transformers | DC-polarity optimized insulation | |
| RIP DC Wall Bushing (HVDC) | +10 kV – +800 kV | HVDC station conductor penetrations | Corona-free design at ±800kV DC |
Core Technology: Resin Impregnated Paper (RIP)
✅ Superior Dielectric Performance
Uniform capacitive grading eliminates partial discharge
30% higher dielectric strength vs. oil-paper bushings
✅ Zero-Maintenance OperationHermetically sealed – no oil leaks/gas monitoring
UV-resistant silicone housings (outdoor use)
✅ Critical Safety FeaturesNon-flammable (IEC 60694 compliant)
Seismic-proof mechanical design
✅ HVDC-OptimizedSpace charge-controlled RIP formulation for DC stability
Creepage optimization for polluted environments
Standards & Certifications
International: IEC 60137 / IEC 62199 / IEEE C57.19.100
Safety: IEC 62217 (pollution tests) / IEC 60068 (environmental)
HVDC Specific: IEC 61378 (converter transformers)
Application-Specific Engineering
| Environment | Design Feature |
|---|---|
| Arctic (-50°C) | Anti-condensation heating elements |
| Coastal (Salt Fog) | Extended creepage + RTV silicone coating |
| Desert (Sandstorm) | Self-cleaning sheds + abrasion-resistant FRP |
| HVDC Stations | Faraday cages for EMI suppression |
Why Specify RIP Bushings?
*"Replaced 132kV oil-filled bushings with RIP units in Qatar:
Zero leaks in 55°C desert heat
40% reduction in maintenance costs
Passed IEC 61462 seismic tests"* – Substation Engineer, GCC Project
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