In Guangzhou, there is a scientific and technological innovation that is silently providing more stable and safe power for the lives of citizens, which is the "kapok-type" medium and low voltage collaborative self-healing distribution network. The successful application of this technology marks another big step towards the goal of no power outage in Guangzhou.
It is understood that Yuexiu District is a prosperous area of Guangzhou, with high load density and many important users, and once a failure occurs, power outages will lead to serious consequences. In order to solve this problem, Guangzhou Yuexiu Power Supply Bureau completed the automation transformation of the medium-voltage power grid in Yuexiu District last year, so that the medium-voltage power grid has the self-healing ability to automatically judge faults, isolate faults, and transfer power supply and resumption, that is, "power grid self-healing".
But the original "grid self-healing" was not perfect. In some extreme scenarios, if the equipment fails, there will be "blind spots" and "dead spots" where the power supply of some residents cannot be restored. In order to solve this problem, the Guangzhou Power Supply Bureau has upgraded the low-voltage power grid in Yuexiu District on a pilot basis to provide residents with dual power supply. This innovation has enabled the medium-voltage power grid and the low-voltage power grid to work together to "self-heal", and the power supply recovery rate has reached 100%.
Guangzhou Power Supply Bureau will this new power grid structure vividly called "kapok", residents are "petals", low-voltage power grid is "vein", medium-voltage power grid constitutes "receptacle", power from the medium-voltage power grid through the low-voltage power grid to thousands of households, just like nutrients from the "receptacle" through the "vein" continuous delivery to the "petals", only the "receptacle" and "vein" of the strong and unimpeded, there are "petals" of the splendid color, there are thousands of lights.
In addition to the innovation in the distribution network, the "kapok-type" medium and low voltage collaborative self-healing distribution network has also created the country's first "3 100%" high-quality power supply demonstration sample, achieving 100% zero load loss, 100% zero use of power generation vehicles, and 100% zero perception of power outage under any equipment failure or maintenance of 10 thousand volt medium voltage, becoming one of the models of Guangzhou Power Supply Bureau to build a modern urban distribution network.
In addition, the Guangzhou Power Supply Bureau is also actively exploring the green transformation of power infrastructure. While building green and low-carbon demonstration substations, we will promote the research and development and application of green and low-carbon equipment. The first domestically produced 500 kV plant insulating oil transformer independently developed by China successfully passed the type test, which is the first 500 kV plant insulating oil transformer with completely independent intellectual property rights in China. Compared with traditional mineral insulating oil transformers, vegetable insulating oil transformers are safer and more environmentally friendly. According to estimates, each 500 kV plant insulating oil transformer can reduce carbon emissions by about 70 tons in the whole life cycle.
In addition, the first set of polypropylene environmental protection cable and the first set of clean air insulation and environmental protection GIS equipment of China Southern Power Grid have also been put into operation in Guangzhou Power Supply Bureau. Relying on the innovative management system, Guangzhou Power Supply Bureau actively supports the green and low-carbon transformation of energy, promotes the comprehensive development of major core technologies such as electricity-hydrogen synergy technology, green environmental protection materials and electrical equipment, enhances the core competitiveness of green and low-carbon industries, and promotes the high-quality development of enterprises with high-level scientific and technological self-reliance and self-reliance. Autumn and Winter Check-in Challenge
The power industry has always been at the forefront of scientific and technological innovation, leading the development of the power industry with high technology. From the successful application of the "kapok-type" medium and low voltage collaborative self-healing distribution network to the active exploration of green and low-carbon transformation, Guangzhou Power Supply Bureau is using the power of science and technology to light up thousands of homes with the attitude of being a green pioneer, so that citizens can enjoy safer, more convenient and green power services. Let's look forward to more such innovations to bring more convenience and happiness to our lives.