Catalogue · ROCKWILL

ZFW21A-145 -GIS-Catalog

RHG-series GIS: max 145kV, standard rated normal current for transmission substations. Lightning impulse, short-time withstand and making current match 145kV class. Breaker meets C2-E2-M2; fast earthing switch meets Class-B making capacity.

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Updated2026.09

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145kV -GIS

Document description

RHG modular three‑phase‑common‑enclosure GIS, min bay‑width 800 mm, double‑seal flange with ultra‑low partial‑discharge; breaker mechanical endurance 12000 operations, passed high‑low‑temp, internal‑arc & AG5 seismic tests, proven at 4700 m altitude, KEMA‑certified, supports multi‑parameter online‑monitoring & one‑key sequence‑control complying with relevant IEC GIS standards.

Frequently asked questions

What are its partial‑discharge and SF₆ gas‑tightness indexes?

Under 80 % rated power‑frequency withstand voltage, partition partial discharge ≤2 pC, full‑bay partial discharge ≤3 pC. Double‑sealing‑flange design ensures annual SF₆ leakage rate ≤0.1 %.

What smart monitoring and control functions are integrated in RHG GIS?

It supports online monitoring for breaker mechanical characteristics, SF₆ gas density, micro‑moisture and partial discharge, and is equipped with one‑key sequence‑control function for substation operation.

About compactness and certification of RHG GIS?

Three‑phase common‑enclosure layout, minimum single‑bay width 800 mm; it has obtained KEMA technical certification with standard modular‑assembly for flexible project combinations.

ZFW21A-145 -GIS-Catalog

Document description

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