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On December 19, Jiangsu Suzhou South Power Grid 500 kV UPFC Technology Demonstration Project was officially put into operation, which is currently the world's highest voltage level and largest capacity of the unified power flow controller (UPFC) project, after putting into operation, it will achieve the first flexible and precise control
of 500 kV power grid power flow.
It is reported that the project can increase the power consumption capacity of Suzhou Power Grid by about 1.
3 million kilowatts
.
According to reports, Suzhou is the city with the largest electricity load in China, and its main power supply is Sichuan hydropower sent by Jinping-Sunan UHVDC, and the Three Gorges hydropower received by three 500 kV AC transmission lines
.
Due to the seasonal problem of hydropower, especially Sichuan hydropower, the three 500 kV power channels of the southern Suzhou power grid cannot maintain balanced utilization, and it is prone to the phenomenon
of "half overload blockage, half vacancy waste".
Not only is it unsafe, but it is also prone to power outages
.
The completion of UPFC can not only transform the power grid from a free distribution state to a precise and controlled state, realize the optimal distribution of electric energy, and save 600 million yuan in investment; It can also minimize the scope of power outages caused by accidents, effectively maintain voltage in southern Jiangsu, and improve the safe and stable operation level of
the power grid.
It is reported that the 500 kV UPFC technology demonstration project of Jiangsu Suzhou South Power Grid has overcome the world's highest voltage level and largest capacity independent series transformer, the world's highest voltage level self-cooling AC thyristor valve group and other technical difficulties, which not only means that China is the world's first country to master 500 kV UPFC complete equipment technology, but also China's latest practice of building a new generation of power systems with extensive interconnection, intelligent interaction, flexibility and flexibility, safety and controllability, realizing "created in China" and "led by China"
。
On December 19, Jiangsu Suzhou South Power Grid 500 kV UPFC Technology Demonstration Project was officially put into operation, which is currently the world's highest voltage level and largest capacity of the unified power flow controller (UPFC) project, after putting into operation, it will achieve the first flexible and precise control
of 500 kV power grid power flow.
It is reported that the project can increase the power consumption capacity of Suzhou Power Grid by about 1.
3 million kilowatts
.
According to reports, Suzhou is the city with the largest electricity load in China, and its main power supply is Sichuan hydropower sent by Jinping-Sunan UHVDC, and the Three Gorges hydropower received by three 500 kV AC transmission lines
.
Due to the seasonal problem of hydropower, especially Sichuan hydropower, the three 500 kV power channels of the southern Suzhou power grid cannot maintain balanced utilization, and it is prone to the phenomenon
of "half overload blockage, half vacancy waste".
Not only is it unsafe, but it is also prone to power outages
.
The completion of UPFC can not only transform the power grid from a free distribution state to a precise and controlled state, realize the optimal distribution of electric energy, and save 600 million yuan in investment; It can also minimize the scope of power outages caused by accidents, effectively maintain voltage in southern Jiangsu, and improve the safe and stable operation level of
the power grid.
It is reported that the 500 kV UPFC technology demonstration project of Jiangsu Suzhou South Power Grid has overcome the world's highest voltage level and largest capacity independent series transformer, the world's highest voltage level self-cooling AC thyristor valve group and other technical difficulties, which not only means that China is the world's first country to master 500 kV UPFC complete equipment technology, but also China's latest practice of building a new generation of power systems with extensive interconnection, intelligent interaction, flexibility and flexibility, safety and controllability, realizing "created in China" and "led by China"
。
