According to the National Energy Administration, the “12th Five-Year†grid computing steering group was recently established, and the first working conference was held on September 15. The “Twelfth Five-Year Plan†power grid plan will be formed and reported to the State Council by March next year.
UHV DC views are the same, there are still differences in the exchange of UHV. According to reports, the National Energy Administration Commissioner Liu Tie-nan understands the performance at the meeting. At present, he has the same views on the UHV DC construction, but there are differences on the exchange of UHV. This is consistent with our previous determination. The country's "Twelfth Five-Year" plan for the first time put UHV construction in the government's work report, which is a major advantage of UHV construction in the next few years.
Comparing the three power grids has been reported, the possibility of higher internal voltage boost in the major power grids The National Energy Administration intends to evaluate the power system simulation software at the end of September and discuss the power flow calculations formulated by the National Energy Administration at the end of October. A grid of analogy is calculated.
The three power grids are considered to be the “Sanhua Power Grid†where the national power grid company’s main application is UHV exchange bridging; the existing ultra high voltage network is used, and the boosted district network enhancement calculations are not performed; the boosting is performed within the major regional power grids. However, the nets are not connected by the exchange of UHV. We believe that the calculations of the “Sanhua Power Grid†in which these UHV exchanges are interlinked are currently quite different, and the possibility of smooth implementation is low; the second calculation is less feasible, because of the importance of not taking When UHVDC is matched to the exchange UHV, once the DC fails, some areas will be exposed to large-scale risks; the third is safe and secure, and the possibility of adoption is high. UHV exchange construction is lower than expected, DC UHV is not affected by the maturity of technology, investment risks and other reasons lead to UHV exchange construction speed is lower than expected, UHVDC construction will not be affected. From the current two types of UHV line approval construction progress can be a clue.
UHV exchange is currently a test line under non-full-load operation. It is widely expected that the two UHV exchange lines approved for construction in the first half of this year will not show any signs of improvement; corresponding to this is the full load of two UHVDC transmission lines. Operation, the two UHV transmission lines of the State Grid and South Network were separated and construction started, and it is expected that they will be put into use in the next two years. In the next five years, 12 UHV DC transmission lines will be built, and a total of 248.6 billion yuan will be in sight.
According to the calculations of the State Grid and China Southern Power Grid, 12 UHV DC transmission lines will be successively constructed in the next five years. The total construction length will reach 22,188 kilometers with a capacity of 79,200 MW, and the total static investment will reach 248.6 billion yuan. We conclude that 2012 will be the starting year for the peak production and supply of ultra-high voltage equipment, and that UHVDC equipment will be produced for 4-5 years.
UHV DC views are the same, there are still differences in the exchange of UHV. According to reports, the National Energy Administration Commissioner Liu Tie-nan understands the performance at the meeting. At present, he has the same views on the UHV DC construction, but there are differences on the exchange of UHV. This is consistent with our previous determination. The country's "Twelfth Five-Year" plan for the first time put UHV construction in the government's work report, which is a major advantage of UHV construction in the next few years.
Comparing the three power grids has been reported, the possibility of higher internal voltage boost in the major power grids The National Energy Administration intends to evaluate the power system simulation software at the end of September and discuss the power flow calculations formulated by the National Energy Administration at the end of October. A grid of analogy is calculated.
The three power grids are considered to be the “Sanhua Power Grid†where the national power grid company’s main application is UHV exchange bridging; the existing ultra high voltage network is used, and the boosted district network enhancement calculations are not performed; the boosting is performed within the major regional power grids. However, the nets are not connected by the exchange of UHV. We believe that the calculations of the “Sanhua Power Grid†in which these UHV exchanges are interlinked are currently quite different, and the possibility of smooth implementation is low; the second calculation is less feasible, because of the importance of not taking When UHVDC is matched to the exchange UHV, once the DC fails, some areas will be exposed to large-scale risks; the third is safe and secure, and the possibility of adoption is high. UHV exchange construction is lower than expected, DC UHV is not affected by the maturity of technology, investment risks and other reasons lead to UHV exchange construction speed is lower than expected, UHVDC construction will not be affected. From the current two types of UHV line approval construction progress can be a clue.
UHV exchange is currently a test line under non-full-load operation. It is widely expected that the two UHV exchange lines approved for construction in the first half of this year will not show any signs of improvement; corresponding to this is the full load of two UHVDC transmission lines. Operation, the two UHV transmission lines of the State Grid and South Network were separated and construction started, and it is expected that they will be put into use in the next two years. In the next five years, 12 UHV DC transmission lines will be built, and a total of 248.6 billion yuan will be in sight.
According to the calculations of the State Grid and China Southern Power Grid, 12 UHV DC transmission lines will be successively constructed in the next five years. The total construction length will reach 22,188 kilometers with a capacity of 79,200 MW, and the total static investment will reach 248.6 billion yuan. We conclude that 2012 will be the starting year for the peak production and supply of ultra-high voltage equipment, and that UHVDC equipment will be produced for 4-5 years.
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