345–765kV Transmission Line Insulator Solutions
High-performance composite insulators for EHV transmission lines — engineered for extreme reliability across all North American environmental conditions, from Arctic cold to desert heat.
End-to-End Customization Workflow
From initial demand to final delivery, we provide comprehensive customization services for your transmission line projects.
Third Party Test & Certification
All Shemar composite insulator string solutions undergo rigorous independent testing at internationally accredited laboratories — ensuring every product meets or exceeds IEC, ANSI, and IEEE standards before deployment.
Test arrangement for the radio interference and corona voltage tests
Test object at the test voltage of 450 kV
Test object at the test voltage of 291 kV
Test arrangement and flashover under the lightning impulse voltage test
Application Scenarios & Success Cases
Our custom insulator solutions have been successfully implemented in challenging high-voltage transmission projects around the world, demonstrating our expertise in meeting the most demanding requirements.
Download Technical Resources
Access our comprehensive technical documentation including simulation reports, test certificates, aging data, and engineering drawings. Fill out the form to download the files you need.
Ready to Discuss Your Customized Insulator Solution?
Our engineering team is ready to help you develop customized insulator solutions for your 345-765kV transmission projects. Contact us today to discuss your specific requirements.
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