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Busbar Protection
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Transformer Protection
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Transmission Line Protection
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Breaker Protection
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Feeder Protection
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Auxiliary Relay
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Merging Unit
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Digital Fault Recorder
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Power Stability Control System
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Power Generation Forecast
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Primary Frequency Controller
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Power Plant Controller
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Box Transformer Terminal Unit
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Centralized Control System
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Prefabricated Container
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News
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2026-04-27
Three Products of CYG Insulator Co.,Ltd. Certified as 2025 Dongguan High-Tech Products!
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2026-04-27
CYG Insulator Co.,Ltd. Wins the Second Prize of Technical Achievements in the 2025 Electric Power Innovation Award!
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2026-04-07
Full-Stack Energy Storage, Smart Leading the Future | CYG Sunrui at ESIE 2026
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2026-02-06
CYG Qicheng Successfully Energizes Its First Power Transmission and Transformation General Contracting Project!
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2026-01-16
World-Class Achievement: CYG Sunri Receives IEC 62443-2-4 Dual International Certification for Cybersecurity Services
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2025-12-06
First Application in Xizang! CYG SUNRI’s Portable Live-Upgrade Platform Successfully Deployed
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2025-10-09
A New Era of Homegrown Innovation! CYG SUNRI Supports Commissioning of China’s First 500 kV New-Generation High-Reliability Substation with Fully Self-Reliant and Controllable Systems
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2025-09-19
CYG Insulator High Energy Debuts at the 2025 Poland International Power Energy Exhibition
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2025-09-16
New Breakthrough in International Certification! Multiple Overseas Products of CYG SUNRI Obtain IEC 61850 Ed2.1 Server UCA Class A Certification
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