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RHP-170 Hybrid Gas Insulated Switchgear
Drawings · ROCKWILL

RHP-170 Hybrid Gas Insulated Switchgear

**Brand: ROCKWILL** >154kV/161kV overseas transmission substations, large solar & wind farm booster stations, urban transmission substations, power projects with limited land area.

Updated2026.09
LanguageEnglish
FilePDF · 292 KB
SwitchgearGas Insulated Switchgear

Document description

This drawing set provides detailed technical drawings of the RHP-170 Hybrid Gas Insulated Switchgear.

RHP-170 is ROCKWILL segregated-tank hybrid gas insulated switchgear (HGIS) rated at 170kV, complying with IEC 62271-203, IEC 62271-100, KEMA type tested. It adopts self-blast SF6 circuit breaker with bistable spring or spring-hydraulic operating mechanism. Available rated current:2000A,2500A,3150A,4000A; rated short-circuit breaking current:31.5kA,40kA,50kA. CB, DS, ES and CT are enclosed in separated SF6 metal tanks, main busbar uses air insulation. It features independent gas compartments for each phase, compact layout and factory pre-testing. Widely used in overseas 154/161kV transmission substations, large renewable energy booster stations and urban power grid projects.

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Frequently asked questions

  1.  Land saving: 40% -60% footprint savings compared to AIS;
  2. Cost advantage: 30% lower than GIS investment and 45% -50% lower than total investment;
  3. Less maintenance: 25 years maintenance free, mechanical lifespan of 6000 times;
  4. Environmental Protection: SF6 usage is only 20% of GIS, with an annual leakage rate of ≤ 0.5%.
  1. Full digitalization: Information collection, transmission, and processing are all digital, with fiber optic cables replacing cables;
  2. High compatibility: Following the IEC 61850 standard, devices are interconnected and interoperable;
  3. Easy to expand: New features do not require modification of existing devices, only need to be connected to the network.

Yes. Rockwill provides OEM & ODM service for RHP‑type HGIS. We select qualified regional partners with solid high‑voltage engineering capability and local after‑sales capacity. We focus on technical‑oriented cooperation rather than simple resale business.

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