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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
ABOUT US
News
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2025-07-21
CYG SUNRI Made a Splendid Appearance at Vietnam ETE 2025
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2025-07-14
CYG SUNRI's Debut at CIGRE SC B5 Colloquium in Osaka
Making its debut at the event, CYG SUNRI achieved dual breakthroughs in both technology and practical application, gaining international recognition. -
2025-05-22
CYG Insulator Showcases at Power Uzbekistan | The International Power and Energy Exhibition in Uzbekistan
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2025-04-28
International Recognition! CYG SUNRI Won Geneva Invention Award
CYG SUNRI Won Geneva Invention Award -
2025-04-16
CYG Insulator Showcases at MEE | 2025 Middle East International Electricity, Lighting, and New Energy Exhibition
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2023-04-14
115kV digital substation in Nongki, Thailand ——The 1st full functional IEC 61850 digital substation in Thailand
he previous relay protection and automation system of Nongki substation put into operation in 2000, and extend an 115kV line in 2010. After a long time operated, there are some problems that customers always facing to. -
2023-01-02
Columbia 117kWp PREMEX rooftop PV project
On December 18, 2018, the overseas PV EPC project of CYG SUNRI—Columbia 117kWp PREMEX Rooftop PV Project was successfully put into operation and provided power transmission. -
2022-06-02
CYG SUNRI Contributes to the Official Operation of the 33kV Mobile Substation in Malaysia
On April 13, 2022, CYG SUNRI contributed to the official operation of the 33kv mobile substation in Malaysia. The project has been successfully connected to an old substation, and will provide strong support for the old substation to realize transfor -
2021-12-27
CYG SUNRI Supports the Operation of China-Laos Railway Power Supply Project
On December 3, the "Lancang" EMU train slowly departed from Vientiane Railway Station, the capital of Laos, marking the operation of the whole line of China-Laos Railway.
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