Fujian-Guangdong Interconnection Project

Release date:

2022/09/02

Fujian-Guangdong Interconnection Project

The Min-Yue Interconnection Project features a total line length of 303 kilometers and an investment of 3.2 billion yuan, with a transmission capacity of 2 million kilowatts. It is a key project under the nation’s “14th Five-Year” Power Development Plan, as well as the first interconnection line between Fujian and Guangdong provinces. Within Fujian Province, the project includes the construction of one new DC back-to-back converter station. This station will connect to Guangdong’s Jiaying and Fujian’s Donglin 500-kV substations via two parallel 500-kV AC transmission lines.

The Min-Yue Interconnection Converter Station is a digital twin converter station. While the physical project is under construction, a fully digital twin is being built concurrently, enabling panoramic visualization of the station’s information, supporting the development of advanced application services, and laying a solid foundation for high-quality construction and flexible operation.

Shanghai OUMIAO Power provides comprehensive online monitoring services for the 550kV substations at both the Fujian and Guangdong sides of the Min-Yue Interconnection Converter Station. This project exclusively utilizes Shanghai OUMIAO Power's SF6 Micro-Water Density Online Monitoring System, enabling automatic collection and measurement of critical parameters such as pressure, density, micro-water content, dew point, and temperature within the primary equipment. The system also facilitates real-time data upload. Through advanced background analysis of this data and trend assessment, operators can accurately evaluate equipment performance, identify potential gas leaks early on, and ensure the safe and reliable operation of switching devices—thus playing a crucial role in successfully delivering power for the Min-Yue Interconnection Project!

Additionally, the SF6 gas recovery unit, portable partial discharge tester, SF6 comprehensive analyzer, insulation resistance tester, SF6 leak imaging device, density relay calibrator, and loop resistance tester—all supplied by OUMIAO Electric—are playing a crucial role in ensuring the safe operation of the Min-Yue Interconnection Project. Shanghai OUMIAO is providing multi-faceted, all-around support to guarantee the project’s successful and secure commissioning!