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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

Application of New Pole-Mounted Circuit Breakers in Small Hydropower Stations in Mountainous Areas
Small hydropower refers to power stations with a single-unit installed capacity of less than 50,000 kV. The integration of small hydropower into the distribution network alters the system topology and power flow direction. Literature has analyzed and discussed the challenges in regulating regions rich in small hydropower, studied reclosing strategies for distribution network lines with small hydropower, and proposed a new type of automatic safety disconnection device for small hydropower.​1 Curr
Wone Store
3yrs 1000+m² US$300,000,000+ China
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08/23/2025
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Engineering

Handling Plan for Insulator Damage Constituting Severe or Critical Defects
Insulators are critical components in power systems, primarily used to support and secure conductors while providing insulation and preventing short circuits. Damage to an insulator can lead to serious issues within the power system, potentially endangering personnel lives and property safety. Therefore, timely handling of insulator damage and the formulation of corresponding emergency response plans is essential. Below is a handling plan for insulator damage constituting severe or critical defe
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08/22/2025
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Engineering

Insulator Failure Emergency Response Plan
Background​Insulators serve as critical components in power systems, primarily supporting and securing high-voltage conductors to ensure safe and stable electricity transmission. However, various factors may cause insulator failures, leading to power interruptions or system damage. To safeguard power system security and stability, an emergency response plan for insulator failures must be established.​II. Insulator Failure Types and Emergency Responses​​External Damage: Cracks, breakage, or loos
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08/22/2025
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Engineering

Analysis of Insulator Discharge Phenomena and Systematic Solutions
In-depth Analysis of Discharge Causes​​Surface Contamination Ionization​o Mechanism: Contaminants (salt dust, chemical deposits) electrolyze in humid environments, forming conductive channels.o Critical Threshold: Leakage current surges when relative humidity >75% and contamination density >0.1mg/cm².​Water Droplet-Induced Electric Field Distortion​o Mechanism: Raindrops accumulate on shed edges, causing localized electric field strength to exceed limits (>3kV/cm), triggering coro
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08/22/2025
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Engineering

Common Insulator Failures and Preventive Measures
Insulators are specialized insulating components that serve a dual purpose in overhead transmission lines: supporting conductors and preventing current grounding. They are installed at connection points between utility poles/towers and conductors, and between substation structures and power lines. Based on dielectric materials, insulators fall into three categories: porcelain, glass, and composite. Analyzing common insulator failures and maintenance strategies aims to prevent insulation failure
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08/22/2025
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Engineering

Safety Challenges and Countermeasures for Transmission Towers and Insulator Strings in Rain and Snow
01 Safety Mechanisms of High-Voltage Transmission Towers​​**▍ Electric Shock Risk and Insulation Measures**​High-voltage transmission towers stand tall through wind and rain, carrying the vital task of power transmission, bearing the warning "High Voltage - Danger." This naturally raises the question: if you touch these towers, will you actually get an electric shock? Especially under adverse weather conditions like rain or snow, what happens?In reality, we can start with the phenomenon of "high
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08/22/2025
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Engineering

Selection and Maintenance of Insulators on High-Voltage Power Lines
The Important Role of InsulatorsOn high-voltage power lines, we often see strings of insulators. What exactly is their purpose? These insulators, like guardian deities on the high-voltage lines, play a crucial role in ensuring safety. Through them, we can guarantee smooth current transmission while preventing the current from causing damage to the surrounding environment and equipment.​The Installation Process of InsulatorsWhy are strings of insulators hung on high-voltage lines? And how exactly
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08/22/2025
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Engineering

Common Methods for VFD Repair
Preparation Before Repair​​Safety Measures​Power off the VFD and verify capacitor discharge is complete (use a multimeter to check DC bus voltage is below 36V).Wear insulated gloves and safety goggles to prevent electric shock or component explosion.​Tool Preparation​Multimeter, oscilloscope, LCR meter (bridge meter), insulation tester, screwdrivers, soldering station, etc.​Fault Diagnosis​Check the fault code on the VFD display (e.g., Overcurrent (OC), Overvoltage (OV), Overheating (OH)).Recor
RW Energy
14yrs 30000+m² US$100,000,000+ China
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08/21/2025
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Engineering

Research on Excitation Frequency Converter for Variable Speed Constant Frequency Wind Turbines
1 Introduction​Wind energy is a renewable energy source with significant development potential. In recent years, wind power technology has garnered extensive attention from scholars worldwide. As a key direction for wind power development, variable-speed constant-frequency (VSCF) technology employs the doubly-fed wind power system as an optimized solution. In this system, the generator’s stator windings connect directly to the grid, while VSCF control is achieved by regulating the frequenc
RW Energy
14yrs 30000+m² US$100,000,000+ China
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08/21/2025
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Engineering

Application of Frequency Converters in Automation Systems
Application of Permanent Magnet Synchronous Motor (PMSM) Variable Frequency Speed Control in the Chemical Fiber and Glass Industries​In the 19th century, permanent magnets were used to create electric motors. Today, with the rapid advancement of electronic technology, Permanent Magnet Synchronous Motors (PMSMs) and frequency converters together form open-loop, high-speed, high-precision variable frequency speed control systems. These systems have been widely applied across various industrial sec
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14yrs 30000+m² US$100,000,000+ China
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08/21/2025
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