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According to comprehensive media reports, a few days ago, led by the Global Energy Interconnection Research Institute Co.
, Ltd.
and composed of universities, manufacturers and research institutes in the United Nations, after carrying out key technology research such as simulation design, material research and development, cable manufacturing, system matching, test evaluation and other key technologies for the ± 500 kV high-voltage DC cable system, it gradually broke through key technologies
such as material space charge regulation and matching, cable extrusion circular flatness control and accessory key component design.
It marks a key breakthrough
in the localization of high-voltage DC cables in China.
High-voltage DC cable is the key equipment of flexible DC transmission technology, which can be widely used in urban power grid transformation, cross-regional DC networking, transmission in cold areas, offshore platform power supply, offshore wind power access and island power supply, etc.
, and has become the key development direction
of flexible interconnection of large power grids with long-distance, large-capacity transmission and large-scale utilization of new energy power.
Compared with AC cables of the same voltage level, HVDC cables are more low-carbon, environmentally friendly, safe and reliable, which can solve the problem of power transmission in the large-scale utilization of new energy and regional network power transmission, improve the safety and environmental protection of the cable transformation of transmission network capacity increase in the process of urbanization, and enhance the ability and operational reliability
of the power grid to resist natural disasters.
In the future, urban power grid construction and offshore energy development will have a huge
demand for cables, especially high-voltage DC cables.
At present, the maximum voltage level of high-voltage DC land cable systems that have completed type tests worldwide is ±640 kV, and the maximum voltage level of DC cable systems that have achieved commercial operation is ±320 kV
.
Germany has planned a 6,400-kilometer-long ±525 kV DC cable transmission corridor
.
The UK has also planned 15 high-voltage DC cable projects with a total length of more than 3,000 kilometers
.
In China, Jiangsu Rudong± 400 kV offshore wind power grid-connected DC cable project is under construction
.
With the rapid development of offshore wind power projects in Fujian, Guangdong and other places, China will become the world's second largest offshore wind power development market, and there is a great demand
for high-voltage DC cables.
According to comprehensive media reports, a few days ago, led by the Global Energy Interconnection Research Institute Co.
, Ltd.
and composed of universities, manufacturers and research institutes in the United Nations, after carrying out key technology research such as simulation design, material research and development, cable manufacturing, system matching, test evaluation and other key technologies for the ± 500 kV high-voltage DC cable system, it gradually broke through key technologies
such as material space charge regulation and matching, cable extrusion circular flatness control and accessory key component design.
It marks a key breakthrough
in the localization of high-voltage DC cables in China.
High-voltage DC cable is the key equipment of flexible DC transmission technology, which can be widely used in urban power grid transformation, cross-regional DC networking, transmission in cold areas, offshore platform power supply, offshore wind power access and island power supply, etc.
, and has become the key development direction
of flexible interconnection of large power grids with long-distance, large-capacity transmission and large-scale utilization of new energy power.
Compared with AC cables of the same voltage level, HVDC cables are more low-carbon, environmentally friendly, safe and reliable, which can solve the problem of power transmission in the large-scale utilization of new energy and regional network power transmission, improve the safety and environmental protection of the cable transformation of transmission network capacity increase in the process of urbanization, and enhance the ability and operational reliability
of the power grid to resist natural disasters.
In the future, urban power grid construction and offshore energy development will have a huge
demand for cables, especially high-voltage DC cables.
At present, the maximum voltage level of high-voltage DC land cable systems that have completed type tests worldwide is ±640 kV, and the maximum voltage level of DC cable systems that have achieved commercial operation is ±320 kV
.
Germany has planned a 6,400-kilometer-long ±525 kV DC cable transmission corridor
.
The UK has also planned 15 high-voltage DC cable projects with a total length of more than 3,000 kilometers
.
In China, Jiangsu Rudong± 400 kV offshore wind power grid-connected DC cable project is under construction
.
With the rapid development of offshore wind power projects in Fujian, Guangdong and other places, China will become the world's second largest offshore wind power development market, and there is a great demand
for high-voltage DC cables.
