Project Background​Located in the Western Pacific typhoon belt, the Philippines experiences over 20 tropical cyclones annually, with approximately 5 developing into highly destructive typhoons (e.g., Typhoon Haiyan in 2013 caused 7,500 casualties, and Typhoon Odette in 2021 disabled 95 transmission lines). Typhoons bring multiple threats to power infrastructure through heavy rainfall, flooding, salt spray corrosion, and strong winds:​Electrical Failures: Flooding submerges substations, causing s

Project Background:High Voltage Disconnect Switch Challenges​As an archipelagic nation, the Philippines experiences extreme ​salt fog​ (salt spray) concentrations in coastal regions (≥3 mg/m²·d annual deposition), causing accelerated corrosion of power infrastructure. High Voltage Disconnect Switches in these humid, tropical, ​salt fog​-laden environments face three critical operational challenges:​High Voltage Disconnect Switch metal degradation: Chloride ion infiltration from ​s

Ⅰ. Project Background​As a tropical archipelago nation, Indonesia experiences year-round high temperatures (average daily 30–35°C), high humidity (average >80%), intense rainfall, and salt spray corrosion (reaching C5-M level in coastal areas). Its power system faces severe challenges:​Large Power Gap: Nearly 20% of the population lacks electricity access. The government plans to add 35 GW of power generation capacity, urgently requiring reliable transmission/distribution equipment

Plug-and-Play CT Module Rapid Replacement Solution: Revolutionizing Efficient Maintenance for GIS Current Transformers​In high-reliability power scenarios like nuclear power plants and data centers, every minute of equipment downtime can mean significant economic losses or safety hazards. When traditional GIS current transformers (CTs) fail, the entire gas compartment must be depressurized and isolated for replacement, a process taking several days. This solution utilizes an innovative plug-and-

Background​During urban power grid upgrades, limited land resources present a core challenge. Traditional GIS equipment occupies significant vertical space due to the separate structures of current transformers (CTs) and grounding switches, becoming a bottleneck in substation miniaturization design.​Solution: Modular Integrated Design​This solution innovatively deeply integrates CT functionality into the grounding switch operating mechanism, achieving spatial reuse and performance breakthroughs:

​​​Subject: Ultra-Low Temperature Self-Heating CT Solution​In harsh extreme cold environments (e.g., Siberian oil/gas fields, Antarctic research stations), conventional GIS current transformers (CTs) face critical failures such as material embrittlement, drastic accuracy loss, and sealing failure. This solution is specifically engineered for operations below -60°C, integrating advanced material science, precision temperature control technology, and aerospace-grade sealing processes to ensure

Core Problem:​​ In seismic-prone regions and aging GIS substations, the mechanical structures (e.g., fasteners, insulation supports) of Current Transformers (CTs) are susceptible to damage from continuous vibration or sudden impacts. This can lead to hidden faults like loosening, detachment, or displacement, ultimately causing insulation degradation or sudden CT failure, threatening grid reliability. Traditional outage-based inspection methods are inefficient and costly.​Innovative Solution:​​ I

Background:​​ In DC transmission converter stations, large-scale electric arc furnaces, and other environments with severe harmonic pollution and high transient conditions, traditional electromagnetic current transformers (CTs) within Gas-Insulated Switchgear (GIS) face significant challenges: limited frequency bandwidth causes distortion of high-frequency and transient signals; measurement accuracy falls short for harmonic analysis and protection requirements; and external merging units (MUs) i

Application Scenario:​​ Extreme cold regions (-40°C environment), environmentally stringent projects (e.g., Nordic wind power grid connection stations)​Core Goal:​​ Enhance long-term reliability of Current Transformers (CTs) within Gas-Insulated Switchgear (GIS) while meeting low-carbon environmental requirements.​I. Insulation Medium Optimization: SF₆/N₂ Hybrid Gas Technology​​Parameter - Solution Design​​Gas Ratio:​​ SF₆ (80%) + N₂ (20%) mixture​Insulation Strength:​​ At 20°C & 0.5

I. Core Challenges in African Rural Power Grids​​Low Electrification Rate and High Costs​Sub-Saharan Africa has less than 10% rural electrification, leaving 600 million people without stable power. Traditional grid expansion requires long-distance transmission lines and large substations, but sparse populations and complex geography (e.g., high-altitude regions, deserts) lead to soaring construction costs and prolonged timelines.​Poor Environmental Adaptability and Short Equipment Lifespan​Exist

Core Challenge: New Energy Grid Integration Intensifies Grid Dynamics, Traditional VT Performance Reaches Critical Limits​The integration of large-scale volatile power sources (e.g., wind and solar) imposes unprecedented demands on the sensitivity, speed, and reliability of grid protection systems. Traditional GIS Voltage Transformers (VTs) exhibit critical limitations:• ​Response Lag: Limited by fixed sampling rates (typically ≤1kHz) and linear processing logic, they struggle to capture

Challenge: Space Constraints of Traditional GIS Voltage Transformers​In urban core areas, underground substations, or high-density power distribution networks, substation space resources are extremely scarce. Traditional GIS Voltage Transformers (VTs), due to their standalone structure, suffer from large physical size (footprint area typically exceeding 4 m² for 400kV equipment), dispersed components, and complex gas compartment connection points. This not only leads to lengthy installation