The 2017 National Science and Technology Progress Award Grand Prize “UHV ±800kV DC Transmission Project†tackled a series of global problems such as UHV DC insulation, overvoltage, electromagnetic environment, and system control, and created seven world firsts. Obtained 114 patents for invention, built a complete UHVDC power transmission technology standard system, established China’s leading position in the world’s UHV DC field, revealed the “China program†to the world, and lifted China’s UHV technology “electricity The new page of "Strengthening the Dream of a Strong Country" has been widely recognized by the international community.
We know that China's energy resources and productivity are not evenly distributed. We must implement the strategy of “transmitting electricity from the west to the east†and speed up the development and application of DC ultra-high voltage transmission technologies with large transmission capacity, low loss, and suitable for long-distance and large-capacity transmission, so as to improve power transmission and distribution in China. The ability of independent innovation in technology is necessary. The key to the energy transformation is to use more clean energy instead of fossil energy, and we can send clean energy from the surplus areas of the northwest to the east-central load center. The UHV ±800 kV DC transmission project was successful, and a complete UHVDC power transmission technology system was established to form the UHV DC test system with the highest test capability and highest level in the world, establishing China’s UHVDC in the world. With the leading position in the field, the project has greatly increased China's influence and discourse power in the international electrotechnical field.
UHV ±800kV DC transmission technology is currently the world's highest voltage level, the largest transmission capacity, the longest transmission distance, the most advanced level of technical transmission technology, is to solve the problem of China's energy and power load reverse distribution, the implementation of the national "West Power East Send "the core technology of strategy. No experience at home and abroad can be used for reference. It is highly innovative and extremely difficult. To this end, the State Grid Corporation and other units, supported by the National Science and Technology Support Program, the National “973†Program, and the National Natural Science Foundation of China, have united more than 160 units such as research institutes, universities, and equipment manufacturers to work collaboratively to complete 141 key technical studies. It has created 37 world firsts, overcoming the six aspects of overvoltage suppression and external insulation configuration, DC system construction, development of DC equipment, safety and stability control of super-capacity DC power grid, test system construction, and DC integration technology. World-class problems.
As a result, China’s UHV DC technology is so mature, energy resources are deployed in a wide range so optimized, and the development potential of UHV is so wide that the State Grid firmly relies on our unique UHV technology, firmly grasps the development initiative, and deeply cultivates the domestic market. , expanding overseas markets, optimizing corporate asset allocation, embarking from the equipment to the sea, and formulating standards, adhering to the principles of mutual business, co-construction, and sharing, we will actively serve and promote the construction of the “Belt and Road†initiative. Become one of the world's best and most influential power grid companies for UHV long-term development.
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