In the era of the Internet, where does the power of informationization in the energy sector originate? How can we further accelerate the process of digital transformation in the power industry? The State Council's guidance on promoting the "Internet +" initiative provides a clear answer.
Recently, Huang Haihui, Vice President of Strategy at Beijing Hezhong Shuangzhuang Technology Co., Ltd., highlighted that under the "Internet +" framework, the integration of the Internet with the power industry—especially for power grid enterprises—holds vast potential and promising prospects. According to him, the deep integration of next-generation information and communication technologies such as mobile internet, cloud computing, and big data represents the core of the new round of grid upgrades and industrial focus.
Compared to many other companies that are just starting to explore this space, Huang believes that "smart terminals" and "miniaturization" have become key trends in the power industry, particularly for B/S and C/S information projects currently dominated by the State Grid. This is an area full of opportunities and potential growth.
Huang also emphasized that the power grid industry should deepen and broaden its integration with the Internet, leveraging the Beidou system as a core driver for the informatization of China’s power grid and a major force behind innovation in the sector.
Eliminating the "millimeter" blind spots in grid operations
Before the Beidou system was fully operational, China’s power industry had to rely heavily on foreign satellite navigation systems like GPS and GLONASS due to the lack of an independent system. This created significant security risks, especially in outdoor operations involving grid assets, mobile fieldwork, line inspections, and GIS data collection.
As grid information systems continue to evolve, the demand for precise spatial positioning and mobile connectivity has increased. Traditional manual methods of recording and entering data have proven inefficient, time-consuming, and prone to errors. In Huang Haihui’s view, while some operations already achieve 3-5 meter accuracy, customer expectations for efficiency and precision are pushing the industry toward millimeter-level accuracy.
Currently, grid companies use two main methods to achieve high-precision positioning: setting up their own base stations within a 20-30 km range, or using ground-based enhancement networks. For example, by deploying 5-6 reference stations in Beijing, data is collected, processed, and broadcasted through 3G or 4G networks to provide accurate positioning. However, Huang believes that the "China Precision" satellite-based high-precision enhancement method is more cost-effective, accurate, and practical for the next phase of grid digital transformation.
According to Huang, "China Precision" is a world-leading satellite-based augmentation service system, developed and launched by Hezhong Shuangzhuang in June 2015. It offers three levels of accuracy—sub-meter, decimeter, and centimeter—and serves global grid users as part of the Beidou system.
With the rapid development of the Beidou ground-based augmentation system, there has been a surge in related construction. However, the satellite-based augmentation system remains a technological gap in China. Currently, many users, including the State Grid, rely on foreign commercial systems, which pose security risks and require costly fees. Huang stated that building "China Precision" is not only an enterprise need but also an industry and national necessity. As the first globally operated high-precision augmentation system built and controlled entirely by Chinese enterprises, it ensures full intellectual property rights and control, breaking international monopolies and safeguarding the security of national geospatial information.
In satellite navigation applications, higher accuracy directly translates to better performance and user experience, especially in power grid operations. The "China Precision" wide-area space-based augmentation system broadcasts differential data via L-band geosynchronous satellites, enabling high-precision signals to reach areas without ground-based network coverage.
For instance, Hezhong Shuangzhuang’s "Power Mobile GIS Main Network Inspection System" is a comprehensive solution based on the "GeoSourceMobileGISITS" platform. Designed for main power network inspections, the system uses a C/S architecture, consisting of a central communication control server, monitoring terminals, and a client dispatch center. It integrates daily maintenance data from existing PMIS and PGIS systems, enabling unified management of infrastructure inspections.
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