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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

Smart Substation Voltage Transformer (VT) Digital Interface Solution
Smart Substation Digital Interface SchemeTechnical Focus: Deep integration of the IEC 61850 protocolThis solution deeply integrates the IEC 61850 standard to build a future-oriented digital transformer system, achieving device interoperability, efficient data sharing, and intelligent system operation and maintenance.Key Innovations Composite Sensing Technology Rogowski Coil + Capacitive Voltage Divider Composite Sensing: Combines the Rogowski coil's wide frequency response (suitable for transi
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/07/2025
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Engineering

UHV Grid Metering Solution: 1000kV VT System Based on Ultra-High Insulation Stability
UHV Grid Metering Solution: 1000kV VT System Based on Ultra-High Insulation StabilityIn Ultra-High Voltage (UHV) grids, the high voltage level (e.g., 1000kV) imposes extremely stringent requirements on the insulation performance and measurement accuracy of metering devices. Conventional voltage transformers (VTs) are prone to insulation breakdown, excessive partial discharge, and thermal drift effects under ultra-high voltages, leading to metering failure or even equipment damage. This solution
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: Transient Response Monitoring for Renewable Energy Stations
Ⅰ. Background and Pain PointsRenewable energy stations (photovoltaic/wind power) face complex transient processes due to the large-scale application of power electronic devices, including: inverter shutdown surges, broadband resonance, and DC component interference. Conventional PTs/CTs are limited by bandwidth, response speed, and anti-saturation capability, making them unable to accurately capture transient voltage waveforms. This leads to protection misoperations, difficulty in fault location
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/07/2025
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Engineering

Dry-Type Transformer Solution: Dedicated System for Demanding Industrial Environments (Anti-Corrosion / High Overload Dry-Type System)
Dry-Type Transformer Solution: Dedicated System for Demanding Industrial Environments (Anti-Corrosion / High Overload Dry-Type System)1. Challenges Addressed Industries: Chemical, Metallurgy, Shipbuilding, Coastal Energy Facilities, etc. Environmental Threats: Extreme High Humidity: Constant or long-term ambient relative humidity > 90%. Corrosive Attack: Presence of highly corrosive media including salt spray, acidic/alkaline gases (pH range 2-12), chemical vapors. Operational Stress: Pro
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/04/2025
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Engineering

Digital Twin-Driven Smart Manufacturing: Next-Gen Intelligent Solutions for Dry-Type Transformers
Digital Twin-Driven Smart Manufacturing: Next-Gen Intelligent Solutions for Dry-Type TransformersAmidst the dual waves of energy transition and smart manufacturing, Dry-Type Transformers are rapidly evolving towards digitization and intelligence. Our proposed "Digital Twin Dry-Transformer Ecosystem" integrates cutting-edge technologies to establish an intelligent, closed-loop management system covering the entire equipment lifecycle, propelling the industry into a new era of future smart manufac
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/04/2025
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Engineering

Technical Solution: RW Series Vacuum Pressure Impregnation (VPI) Dry-Type Transformers
Technical Solution: RW Series Vacuum Pressure Impregnation (VPI) Dry-Type TransformersI. Core Technological Innovations Defect-Free Insulation System Utilizes Vacuum Pressure Impregnation (VPI) process to cast high-density epoxy resin, achieving void-free solidified insulation. Partial discharge levels stably controlled at <10 pC (IEC 60076-11 standard). Insulation thermal class reaches Class H (180&deg;C), with insulation performance degradation rate &le;5% throughout the lifespa
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/04/2025
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Engineering

Wind/Solar PV Dedicated Dry-Type Transformer Solution
Precisely Solving Pain Points: Tackling Harsh Conditions of Renewable Energy Power PlantsThe inherent intermittency and volatility of wind and PV power plants translate into critical challenges for the grid:&bull; Harmonic Pollution: Inverters and converters generate abundant high-order harmonics, accelerating equipment insulation aging and triggering overheating risks.&bull; Voltage Fluctuations: Extreme variations in sunlight/wind speed cause frequent voltage swings (up to &plusmn;
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/04/2025
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Engineering

Dedicated Anti-vibration Dry-type Traction Transformer Solution for Rail Transi
Scenario Characteristics and Core ChallengesIn traction power supply substations for subways and high-speed railways, transformers are continuously subjected to structural vibrations (8-200Hz) originating from rolling stock and tracks. They simultaneously face harsh conditions including space constraints, fire safety requirements (EN 45545), and electromagnetic interference (EMI). Conventional transformers are prone to winding loosening and core displacement due to prolonged vibration, leading t
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/04/2025
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Engineering

Low-Noise, Energy-Efficient Dry-Type Transformer Solutions for Premium Commercial Buildings
Ⅰ. Core Pain PointsUrban CBD supertall buildings face two critical challenges:&bull; Noise Control Difficulty: Traditional transformers' no-load noise (>55dB) disrupts premium office environments, violating green building acoustic standards.&bull; Premium Space Constraints: Electrical room costs exceed &yen;100,000 per square meter; large traditional transformers encroach on core functional areas.Application Scenarios: 500m+ supertall landmarks, LEED Gold-certified office towers,
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/04/2025
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Engineering

Renewable-Ready Load Break Switches: Enabling Safe & Stable Grid Integration for Solar/Wind Farms with Fluctuating Power Generation
Adapting to the Pulse of Green Energy: Secure Grid Integration Solution with Dedicated Load Break Switches for Renewable EnergyAs wind power, photovoltaics (PV), and other green energy sources integrate into the grid on a large scale, traditional electrical equipment faces significant challenges in addressing the unique operating characteristics of renewable energy. Targeting the specific demands for switching equipment at renewable grid connection points (such as collector station outputs, wind
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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07/04/2025
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