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Thailand PEA - SCPS02 Smart Substation Retrofit Project

CYG SUNRI acted as the equipment supplier, providing a complete set of secondary systems for three 115kV smart substations and one 22kV conventional substation for the Provincial Electricity Authority (PEA) of Thailand. As the company's first overseas smart substation project utilizing SOC platform devices, this project effectively alleviated power supply tension in the Bangkok metropolitan area.

Scope of Service: 3 units of 115kV Smart Substations + 1 unit of 22kV Conventional Substation

Core Technology: First overseas application of SOC platform devices

Project Nature: Key power infrastructure retrofit

Commissioning Time: Aug 2019

泰国智能变电站改造项目
Project Highlights
Project Details
Project Highlights
thailand-01-1

Marking the first overseas application of SOC platform devices in smart substations, the project successfully broke through technological application bottlenecks. Through cross-supplier collaboration and optimization for localized needs, multiple substation retrofits were efficiently completed, earning high recognition from the client.

Project Details

Focusing on power supply assurance requirements around Bangkok, Thailand, CYG SUNRI served as the general contractor for secondary equipment, supplying complete secondary protection, measurement and control devices, and background systems. The scope also included critical tasks such as equipment commissioning and system integration. Challenges during execution included the maiden overseas deployment of the SOC platform, incompatibility of existing specifications, and multi-vendor coordination. The team conducted in-depth research on differences in Thai operational habits, optimized design schemes, coordinated resources, and worked overtime to overcome difficulties. The efficient completion of the three 115kV smart substations and one 22kV conventional substation significantly enhanced the automation level and power supply reliability of the regional grid, fully demonstrating the company's technical strength in secondary equipment and system integration capabilities.

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