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End-to-End Power Project Solutions for the Global Energy Market

IEE Business provides end-to-end power project solutions for the global market — from financing and procurement to engineering, construction, and commissioning. We support utilities, developers, and industries with integrated services across renewable, thermal, and grid infrastructure projects, ensuring efficiency, compliance, and timely delivery worldwide.

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Engineering

GIS Voltage Transformer: Digital Twin and Adaptive Control Solution
Core Challenge: New Energy Grid Integration Intensifies Grid Dynamics, Traditional VT Performance Reaches Critical LimitsThe 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 c
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/11/2025
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Engineering

Technical Proposal: CT Reliability Enhancement Solution Based on Hybrid Gas Insulation
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 & 0.5M
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/10/2025
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Engineering

Rogowski Coil + Low-Power CT (LPCT) Integrated GIS Broadband Current Measurement Solution
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) inc
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/10/2025
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Engineering

GIS Current Transformer Intelligence Solution: Mechanical Fault Early Warning System Based on Vibration-Current Coupling
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: Integr
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/10/2025
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Engineering

Gas Insulated Switchgear Ultra-Low Temperature Self-Heating Current Transformer Solution
Subject: Ultra-Low Temperature Self-Heating CT SolutionIn 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
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/10/2025
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Engineering

CT and Grounding Switch Magnetic Circuit Reuse Integrated Solution: Enabling Compact GIS Substation Construction
BackgroundDuring 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 DesignThis solution innovatively deeply integrates CT functionality into the grounding switch operating mechanism, achieving spatial reuse and performance breakthroughs: Sp
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/10/2025
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Engineering

Plug-and-Play CT Module: A Game-Changing Solution for Fast GIS Current Transformer Maintenance
Plug-and-Play CT Module Rapid Replacement Solution: Revolutionizing Efficient Maintenance for GIS Current TransformersIn 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-p
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/10/2025
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Engineering

Specialized Voltage Transformer Solution for High-Speed Railway AT Power Supply System: Focused on Strong EMI Immunity
Specialized Voltage Transformer Solution for High-Speed Railway AT Power Supply System: Focused on Strong EMI ImmunityThe electromagnetic environment of the high-speed railway AT (Auto-Transformer) power supply system is extremely complex. Strong electromagnetic interference (EMI) directly affects the measurement accuracy of voltage transformers and system reliability. This solution specifically targets this core challenge by developing a dedicated voltage transformer that meets the 27.5kV singl
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/07/2025
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Engineering

High-Precision Laboratory Standard Voltage Transformer Solution
Ⅰ. Technical Focus: Traceability to Metrological StandardsThis solution centers on the national electric energy metrology reference system, employing an independently controlled traceability chain to ensure voltage measurement results are directly traceable to the International System of Units (SI). By eliminating cascading errors inherent in traditional measurement devices, it delivers reference-grade voltage measurement capabilities for advanced laboratories.Ⅱ. Core Technical InnovationsDual-S
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/07/2025
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Engineering

Voltage Transformer Solution: Dedicated Solution for Compact Medium Voltage Switchgear
Core Positioning: Provides a high-performance, ultra-compact voltage measurement solution for medium voltage switchgear (e.g., KYN28) with severely limited space, achieving installation flexibility unattainable by traditional designs.Technical Approach: Ultra-Small Space AdaptationTraditional Voltage Transformers (VTs) are bulky and difficult to fit into the instrument compartments of modern compact switchgear like KYN28. This solution achieves revolutionary miniaturization through the following
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/07/2025
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