In the digital age, where does the power of information technology in the energy sector come from? How can we further accelerate the informatization of the power industry? The State Council's recent guidance on promoting the "Internet +" initiative provides a clear answer.
Recently, Huang Haihui, Vice President of Strategy at Beijing Hezhong Shuangzhuang Technology Co., Ltd., emphasized that under the "Internet +" framework, the integration of the internet with the power industry—especially for power grid companies—holds immense potential and promising development opportunities. The deep integration of next-generation information and communication technologies, such as mobile internet, cloud computing, and big data, is at the core of the current grid modernization and industry focus.
Compared to many other companies, Hezhong Shuangzhuang is seizing the opportunity by focusing on smart terminals and miniaturization. In Huang’s view, these are key trends for the industry, especially for B/S and C/S information projects currently dominated by the State Grid. This represents a vast market with significant growth potential. The power grid industry should continue expanding the depth and breadth of its integration with the internet, leveraging the Beidou system as a core driver for the informatization of China’s power grid and an important force behind its innovation and development.
Eliminating the "millimeter" blind spots in grid operations
Before the Beidou system was widely adopted, China’s power industry relied heavily on foreign satellite navigation systems like GPS and GLONASS for differential data, creating serious security risks. Almost all outdoor grid operations, including asset management, field inspections, and GIS data collection, were dependent on these systems.
As grid informatization continues to advance, the demand for precise location data and mobile connectivity has grown significantly. Traditional manual methods of recording and entering data have become inefficient, time-consuming, and error-prone.
According to Huang Haihui, while some grid operations already achieve 3-5 meter accuracy, the increasing focus on efficiency and information engineering has pushed demands toward "meters, centimeters, and millimeters."
Currently, major grid operators like the State Grid use their own base stations to provide high-precision positioning within a 20-30 km range. Another method involves ground-based augmentation networks, where multiple reference stations collect data and transmit it via 3G/4G networks to mobile devices. However, Huang believes that the "China Precision" satellite-based enhancement method offers greater cost-effectiveness, accuracy, and practicality for future grid informatization.
Launched in June 2015 by Hezhong Shuangzhuang, "China Precision" is a world-leading, globally operational satellite-based augmentation system. It offers three levels of precision: sub-meter, decimeter, and centimeter. As part of the Beidou satellite navigation system, it now serves global grid users.
While the construction of the Beidou ground-based augmentation system is accelerating, the satellite-based system remains a technological gap for China. Many grid companies still rely on foreign commercial systems, which raise security concerns and involve costly fees. Huang stated, "The development of 'China Precision' is not just an enterprise need, but also an industry and national requirement. As the first fully Chinese-built and controlled global high-precision augmentation system, it breaks international monopolies, ensures the security of geospatial information, and addresses gaps in China’s satellite navigation industry in terms of accuracy and reliability."
In satellite navigation applications, higher precision leads to better performance and user experience, particularly in the power grid.
The "China Precision" wide-area space-based augmentation system broadcasts differential data worldwide via L-band geosynchronous satellites, enabling high-precision signals in areas without ground-based coverage. For example, Hezhong Shuangzhuang’s “Power Mobile GIS Main Network Inspection System†is a main network inspection solution built on the “GeoSourceMobileGISITS†platform. Designed for power grid inspections, it uses a C/S architecture, with a central communication control server and client monitoring center. The system integrates existing PMIS and PGIS data, enabling efficient and unified management of power grid infrastructure maintenance.
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