
OIP or RIP Transformer Bushing: What Should Buyers Check?
Compare oil and dry-core construction, mounting, maintenance and model-specific IEC 60137 test evidence before choosing a transformer bushing.

Dry capacitive wall penetration bushings for converter stations and indoor substations.
Match the electrical duty and transformer or wall interface before requesting a design.
IEC 60137 applies to complete AC bushings; confirm edition and model-specific test evidence. Replacement fit requires drawing approval.
| Parameter | Value |
|---|---|
| Rated voltage | 12kV ~ 1100kV (AC); ±12kV ~ ±1200kV (DC) |
| Rated current | 630A ~ 8000A |
| Insulation | RIP / OIP / RIF |
| Housing | Composite / porcelain |
| Model table | Per-model data on request with your inquiry |
Dimensions, interfaces and replacement compatibility require approved drawings and technical review.
HVDC Converter Station Ready: Operates reliably in HVDC valve halls and harmonic-rich environments.
Fire-Safe Barrier: Non-propagating dry epoxy resin core acts as a natural fire barrier.
Dry construction avoids bushing-core oil leakage; verify horizontal mounting and sealing by model.
Symmetric double-ended capacitive grading screens for balanced indoor/outdoor electric field.
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Compare oil and dry-core construction, mounting, maintenance and model-specific IEC 60137 test evidence before choosing a transformer bushing.

Check oil and gas interfaces, sealing, wall penetration, insulation level and the applicable test plan against equipment drawings.

Review field grading, dimensions, impregnation, curing and model-specific dielectric tests when sourcing RIP condenser cores.