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On August 29, the country's first intelligent flexible DC distribution network demonstration project successfully passed the trial operation test in Jiangdong New City, Hangzhou, Zhejiang Province, and was officially put into operation
after functional upgrades.
It is reported that the completion of the project has realized the transformation of the distribution network from the traditional radial type to the multi-terminal interconnection network, which can quickly isolate the system fault and resume normal operation within 100 milliseconds, greatly improving the safety and reliability
of Hangzhou Power Grid.
In 2016, Hangzhou Power Supply Company took the lead in launching the research of intelligent flexible DC distribution network technology in order to build a first-class modern distribution network with high reliability, interactive friendliness and cost-effectiveness
.
In October 2017, the intelligent flexible DC distribution network demonstration project officially started construction, with a rated voltage of ± 10 kV and a total converter capacity of 30,000 kW
.
Hangzhou Jiangdong New City intelligent flexible DC distribution network project adopts regional coordinated control, rapid fault location and isolation protection and other technologies to realize multiple power supplies to supply power to users at the same time, ensuring safe and economical load transfer
in the event of a single power failure.
At the same time, the project can adopt DC power supply mode to provide power supply services for users 10 kilometers away without affecting the power quality of the power grid, which greatly optimizes the power supply capacity
of Hangzhou power grid.
The project also has the conditions for barrier-free access of diversified loads, energy storage and distributed power sources such as electric vehicle charging and swapping facilities, and promotes the development of
the energy Internet.
On August 29, the country's first intelligent flexible DC distribution network demonstration project successfully passed the trial operation test in Jiangdong New City, Hangzhou, Zhejiang Province, and was officially put into operation
after functional upgrades.
It is reported that the completion of the project has realized the transformation of the distribution network from the traditional radial type to the multi-terminal interconnection network, which can quickly isolate the system fault and resume normal operation within 100 milliseconds, greatly improving the safety and reliability
of Hangzhou Power Grid.
In 2016, Hangzhou Power Supply Company took the lead in launching the research of intelligent flexible DC distribution network technology in order to build a first-class modern distribution network with high reliability, interactive friendliness and cost-effectiveness
.
In October 2017, the intelligent flexible DC distribution network demonstration project officially started construction, with a rated voltage of ± 10 kV and a total converter capacity of 30,000 kW
.
Hangzhou Jiangdong New City intelligent flexible DC distribution network project adopts regional coordinated control, rapid fault location and isolation protection and other technologies to realize multiple power supplies to supply power to users at the same time, ensuring safe and economical load transfer
in the event of a single power failure.
At the same time, the project can adopt DC power supply mode to provide power supply services for users 10 kilometers away without affecting the power quality of the power grid, which greatly optimizes the power supply capacity
of Hangzhou power grid.
The project also has the conditions for barrier-free access of diversified loads, energy storage and distributed power sources such as electric vehicle charging and swapping facilities, and promotes the development of
the energy Internet.
