1. Project Background​Malaysia, located near the equator, experiences a typical tropical rainforest and monsoon climate characterized by year-round high temperatures (annual average: 23–32°C), extreme humidity, heavy rainfall (annual average exceeding 2,000 mm), frequent thunderstorms, and seasonal floods. Its power grid system faces the following challenges:3.1 ​HV GIS Performance Constraints: High humidity promotes condensation, accelerating metal component corrosion in conventional

Ⅰ. Project BackgroundAs 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 equatoria

Project Background​Indonesia is situated within the Pacific Ring of Fire, experiencing frequent seismic activity, with thousands of earthquakes annually, including a high proportion of magnitude 7+ events. Earthquakes threaten public safety and severely damage power infrastructure. Traditional Air-Insulated Switchgear (AIS) has limited seismic resistance, often suffering insulation failure or equipment damage during earthquakes. ​High Voltage Gas-Insulated Switchgear (HV GIS)​​ technology, howev

Ⅰ. Project BackgroundVietnam’s terrain is highly complex, with altitudes in the northwest and Central Highlands regions often exceeding 1,000 meters. These areas face harsh climatic conditions, including:Persistent high humidity (average 95%);Extreme diurnal temperature fluctuations (up to 32K);Salt fog corrosion.With Vietnam’s rapid economic growth (GDP growth projected at 6.8% by 2025), electricity demand has surged. Key challenges include:Traditional air-insulated switchgear (AIS)

1. Project Background​As Africa’s most populous nation, Nigeria’s power grid has long faced challenges including unstable electricity supply, aging infrastructure, and poor environmental adaptability.In its high-voltage transmission and distribution networks, traditional oil circuit breakers struggle to meet growing demand due to frequent maintenance and vulnerability to humid climates (e.g., reduced insulation performance during rainy seasons).International case studies, such as Sou

1. Seismic Design Context and Requirements for PeruPeru's location within the Pacific Ring of Fire necessitates adherence to stringent seismic standards (e.g., 8-degree intensity per code E.030). For critical infrastructure like the ​Dead Tank SF6 Circuit Breaker, design priorities include:​Foundation Stability: Ground motion parameters directly shape the base design of the ​Dead Tank SF6 Circuit Breaker.​Structural Safety: Class I seismic resistance is mandatory for the ​Dead Tank SF6 Circuit B

1. Gas Tightness Design: Core Assurance for Africa's Extreme Climates​1.1 Multi-Layer Sealing System Optimization​The ​Dead Tank SF6 Circuit Breaker​implements triple-sealed interfaces: EPDM flange gaskets (shore hardness 70±5), dynamic PTFE O-rings, and plasma-sprayed aluminum oxide coatings. This design enables the ​Dead Tank SF6 Circuit Breaker​to withstand 10,000 thermal cycles (50°C↔-20°C) while maintaining SF6 leakage <0.3%/year under Sahara dust storms.1.2 ​Cryogeni

Project Background​Ethiopia, located in the East African plateau, has an average altitude exceeding 3,000 meters. In some areas, winter temperatures can drop to -30°C, accompanied by significant diurnal temperature variations (up to 25°C daily) and intense ultraviolet radiation. The local power system faces the following challenges:​SF6 Gas Liquefaction Risk: Traditional Dead Tank SF6 Circuit Breakers are prone to SF6 gas liquefaction at low temperatures (critical liquefaction temperatur

Project Background​As the largest electricity market in South America, Brazil’s power grid spans vast tropical rainforests, coastal high-salt-fog zones, and high-altitude mountainous areas, facing critical challenges:Extreme Climate: High temperatures (up to +40°C) and humidity in the north, low winter temperatures (as low as -10°C) in the south, and severe salt fog corrosion in coastal regions.Grid Reliability Demands: Rapid urbanization requires fault-handling capacity for short-

Ⅰ. Project Background​​As the first African country adopting dead tank SF6 circuit breaker technology, South Africa's grid system faces these challenges:​Aging Dead Tank SF6 Circuit Breakers: Existing high-voltage circuit breakers exhibit severe aging, ​particularly legacy dead tank SF6 circuit breakers​ with increased failure rates.​Dead Tank SF6 Circuit Breaker Limitations: In high-altitude regions (>2,000m), ​conventional dead tank SF6 circuit breakers​ experience insulation degradation fr