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On May 19, the 220 kV Dingcong I line was successfully put into trial operation for 24 hours, and the first 500 kV intelligent substation in Hunan, Changsha 500 kV Dinggong Substation, was fully powered, the load of Changsha's ultra-high voltage power grid was effectively balanced, and the receiving end grid in eastern Xiangdong was significantly enhanced
.
The 500 kV Dinggong intelligent substation was put into operation in July 2015, improving the power supply capacity
of Liuyang County, Changsha County and the eastern urban area in Changsha area.
The Dingcong I.
and II.
lines put into operation this time are transfer lines, which bear the load
supplied by the original Changsha 500 kV Shaping substation to Liuyang and other areas.
Considering the overall reliability of Hunan power grid and other reasons, the transfer line was not put into operation at the same time as the Dinggong substation, and with the further strengthening of the power grid structure, these two lines were put into operation of the power grid, realizing the full power supply
of the 500 kV Dinggong substation.
Combined with the Dingcong III line put into operation at the initial stage, the 500 kV Dinggong substation undertakes more than 70% of the load
in Liuyang.
According to the relevant person in charge of Hunan Electric Power Maintenance Company, which is responsible for the operation and maintenance of Hunan 500 kV substation, at present, there are four 500 kV substations in Changsha, and after the 220 kV Dingcong I.
II.
line is put into operation, two power supply areas have been formed in Changsha: 500 kV Aijia Rush, 500 kV Shaping Transformer with Changsha West and North Load, 500 kV Ding Power Change, 500 kV Xingcheng Variable Supply Belt Changsha Central and Southern Load, 500 kV Shaping Transformer and Aijia Chong Lower Network Pressure have been relieved
。
It is reported that the second 500 kV intelligent substation in Hunan - 500 kV Yueyang South Substation will also be put into operation in the near future, and Hunan Electric Power Maintenance Company will effectively improve the power supply capacity and reliability
of the power grid during the peak summer period this year with the help of the advanced interconnection capability of the ultra-high voltage intelligent substation.
On May 19, the 220 kV Dingcong I line was successfully put into trial operation for 24 hours, and the first 500 kV intelligent substation in Hunan, Changsha 500 kV Dinggong Substation, was fully powered, the load of Changsha's ultra-high voltage power grid was effectively balanced, and the receiving end grid in eastern Xiangdong was significantly enhanced
.
The 500 kV Dinggong intelligent substation was put into operation in July 2015, improving the power supply capacity
of Liuyang County, Changsha County and the eastern urban area in Changsha area.
The Dingcong I.
and II.
lines put into operation this time are transfer lines, which bear the load
supplied by the original Changsha 500 kV Shaping substation to Liuyang and other areas.
Considering the overall reliability of Hunan power grid and other reasons, the transfer line was not put into operation at the same time as the Dinggong substation, and with the further strengthening of the power grid structure, these two lines were put into operation of the power grid, realizing the full power supply
of the 500 kV Dinggong substation.
Combined with the Dingcong III line put into operation at the initial stage, the 500 kV Dinggong substation undertakes more than 70% of the load
in Liuyang.
According to the relevant person in charge of Hunan Electric Power Maintenance Company, which is responsible for the operation and maintenance of Hunan 500 kV substation, at present, there are four 500 kV substations in Changsha, and after the 220 kV Dingcong I.
II.
line is put into operation, two power supply areas have been formed in Changsha: 500 kV Aijia Rush, 500 kV Shaping Transformer with Changsha West and North Load, 500 kV Ding Power Change, 500 kV Xingcheng Variable Supply Belt Changsha Central and Southern Load, 500 kV Shaping Transformer and Aijia Chong Lower Network Pressure have been relieved
。
It is reported that the second 500 kV intelligent substation in Hunan - 500 kV Yueyang South Substation will also be put into operation in the near future, and Hunan Electric Power Maintenance Company will effectively improve the power supply capacity and reliability
of the power grid during the peak summer period this year with the help of the advanced interconnection capability of the ultra-high voltage intelligent substation.
