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High Voltage Gas Insulated Switchgear (HV GIS) Solution for Singapore

Rockwill
17yrs 700++ staff 108000m²+m² US$0+ China

Ⅰ. Project Background
As a city-state with the world's highest population density (7,615 people/km²), Singapore faces growing electricity demand (3.5% annual growth) amid extreme land scarcity (total area: 728 km²). Traditional air-insulated switchgear (AIS) struggles to meet the compact requirements of urban substations due to its large footprint and high maintenance costs. ​The High Voltage Gas Insulated Switchgear (HV GIS)​​ emerges as the optimal solution given Singapore's equatorial climate - with over 80% annual humidity and strong salt spray corrosion - demanding superior insulation performance.

Under the "2030 Green Energy Plan" (targeting 35% solar energy share), Singapore's grid must support large-scale renewable integration, ​requiring High Voltage Gas Insulated Switchgear (HV GIS)​​ to deliver enhanced capabilities:

Short-circuit capacity: Up to 63kA
Rapid response: Operation time <50ms
Smart grid compatibility
Furthermore, Singapore's Electrical Safety Code mandates a 30% reduction in lifecycle carbon emissions for critical power equipment, ​driving High Voltage Gas Insulated Switchgear (HV GIS)​​ toward sustainability.

Ⅱ. Solution
​This High Voltage Gas Insulated Switchgear (HV GIS)​​ solution integrates five technological breakthroughs:

  1. Compact Modular Design
    ​The High Voltage Gas Insulated Switchgear (HV GIS)​​ employs three-phase common tank structures reducing footprint by 45% (e.g., 252kV GIS occupies only 3.5m² per bay), ideal for underground substations in HDB estates or Marina Bay.
  2. Smart Monitoring & Maintenance
    ​Our High Voltage Gas Insulated Switchgear (HV GIS)​​ solution features integrated SF6 density (±0.01MPa precision) and UHF partial discharge sensors feeding data to the Smart Grid Platform.
  3. Eco-Friendly Technology
    ​The sustainable High Voltage Gas Insulated Switchgear (HV GIS)​​ design uses 100% recyclable Al-Mg alloy housing and dry air insulation achieving near-zero GWP.
  4. Disaster Resilience
    ​Specially engineered High Voltage Gas Insulated Switchgear (HV GIS)​​ achieves IP68 rating (1.5m water immersion for 72 hours) with active drainage systems for basement installations.
  5. Localized Supply Chain
    ​Singapore-optimized High Voltage Gas Insulated Switchgear (HV GIS)​​ benefits from ST Engineering collaboration, boosting local procurement to 40%.

Ⅲ. Achievements
​The High Voltage Gas Insulated Switchgear (HV GIS)​​ implementation delivers:

  • 18% lower lifecycle costs with 35% O&M savings
  • 2.3-ton annual CO2 reduction per bay
  • 60% footprint reduction at Marina Bay substation
05/27/2025
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Rockwill
Wenzhou Rockwill Electric Co., Ltd.
17yrs 700++ staff 108000m²+m² US$0+ China
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