Global UHV Power External Insulation System Solutions

Thirty years focused on power insulators, serving 100+ countries worldwide, supporting global energy internet construction

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765kV+ UHV Transmission Technology Leader

Core technology breaks international monopoly, composite insulators with global leading scale delivery

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Global UHV Project Case Studies

Our products have been successfully applied in multiple global UHV transmission projects, providing reliable external insulation solutions for the global energy internet construction.

Zhundong-Wannan ±1100kV UHV Project

The world's first ±1100kV UHV DC transmission project, spanning 3324km. It is currently the UHV project with the highest voltage level, largest transmission capacity, and longest transmission distance in the world.

Project Features

  • Voltage Level: ±1100kV
  • Transmission Capacity: 12,000 MW
  • Transmission Distance: 3324 km
  • Annual Transmission: approximately 66 billion kWh

Our Contribution

Provided ±1100kV composite insulators for this project. Products performed excellently under extreme weather conditions, ensuring safe and stable operation of the project.

Brazil Belo Monte ±800kV UHV Project

A UHV DC transmission project invested by Brazil's national electric power company, transmitting hydropower resources from northern Brazil to the southeastern load center, spanning approximately 2000km.

Project Features

  • Voltage Level: ±800kV
  • Transmission Capacity: 4000 MW
  • Transmission Distance: approximately 2000 km
  • Annual Transmission: approximately 20 billion kWh

Our Contribution

Provided ±800kV composite insulators for this project. Products performed excellently under tropical rainforest climate conditions, supporting Brazil's renewable energy development.

India 765kV EHV Transmission Project

A 765kV EHV transmission project built by India's national power grid, an important part of India's power infrastructure upgrade.

Project Features

  • Voltage Level: 765kV
  • Transmission Capacity: 2000 MW
  • Transmission Distance: approximately 1000 km
  • Coverage: Northern and Western India

Our Contribution

Provided 765kV composite insulators for this project. Products operated stably under high temperature, high humidity, and high pollution environments, improving the reliability of India's power grid.

China Jinbei-Nanjing 1000kV UHV Project

A 1000kV UHV AC transmission project built by China's State Grid, spanning approximately 1000km, an important part of China's UHV power grid.

Project Features

  • Voltage Level: 1000kV
  • Transmission Capacity: 6000 MW
  • Transmission Distance: approximately 1000 km
  • Annual Transmission: approximately 30 billion kWh

Our Contribution

Provided 1000kV composite insulators for this project. Products performed stably under various climate conditions, ensuring safe and reliable operation of the project.

Technical Advantages in Case Applications

High Voltage Level Adaptation

Products are suitable for full voltage levels from 765kV to 1100kV, meeting the strict requirements of UHV projects.

Complex Environment Adaptation

Adapted to complex environments such as high temperature, high humidity, high pollution, and high altitude, ensuring long-term stable operation.

High Reliability

Products have a service life of up to 40 years with zero major accident operation records, ensuring grid safety and stability.

Customer Feedback

"Shemar Power's composite insulators performed excellently in our UHV projects, operating stably and reliably, providing strong guarantee for the smooth commissioning of the project."

— State Grid Corporation of China

"Shemar Power's product quality is excellent and technical support is professional, making them our trusted partner."

— Power Grid Corporation of India

"Shemar Power's composite insulators operated well in our projects, effectively improving the reliability and safety of the power grid."

— Brazilian National Electric Power Company

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