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At present, the power grid generally has problems such as unreasonable power flow distribution and inflexible operation, which affects the transmission capacity of the power grid, and a new technical means is urgently needed to flexibly and dynamically adjust the system voltage and power flow and improve the power grid control ability
.
Recently, China XD successfully developed the first high-performance 220kV 70MVA series transformer in China, this high-tech product is the key equipment
designed and manufactured by China XD for the engineering design and manufacture of Nanjing 220kV West Ring Network unified power flow controller.
Since the high-voltage side windings of the product are connected in series in a 220kV line, the insulation level of the high-voltage head and end to the ground needs to be designed according to the line voltage level, and the requirements for the short-circuit resistance and overload capacity of the series transformer are much higher than those of conventional products
.
On the basis of the successful experience of 220kV conventional transformer design and manufacturing, the technical personnel of Xidian Xidian under China XD carry out scientific research and technological innovation
for key technologies and key difficulties such as design, manufacturing and transportation of series transformers.
The product has passed routine tests and type tests
in September.
The successful development of this high-performance series transformer provides a new idea for the optimization of the power system, meets the needs of high-quality supporting power system, energy saving and environmental protection, lays the foundation for the subsequent research and development and manufacturing of series transformers with higher voltage levels, and greatly enhances the competitiveness
of China XD in the series transformer market.
At present, the power grid generally has problems such as unreasonable power flow distribution and inflexible operation, which affects the transmission capacity of the power grid, and a new technical means is urgently needed to flexibly and dynamically adjust the system voltage and power flow and improve the power grid control ability
.
Recently, China XD successfully developed the first high-performance 220kV 70MVA series transformer in China, this high-tech product is the key equipment
designed and manufactured by China XD for the engineering design and manufacture of Nanjing 220kV West Ring Network unified power flow controller.
Since the high-voltage side windings of the product are connected in series in a 220kV line, the insulation level of the high-voltage head and end to the ground needs to be designed according to the line voltage level, and the requirements for the short-circuit resistance and overload capacity of the series transformer are much higher than those of conventional products
.
On the basis of the successful experience of 220kV conventional transformer design and manufacturing, the technical personnel of Xidian Xidian under China XD carry out scientific research and technological innovation
for key technologies and key difficulties such as design, manufacturing and transportation of series transformers.
The product has passed routine tests and type tests
in September.
The successful development of this high-performance series transformer provides a new idea for the optimization of the power system, meets the needs of high-quality supporting power system, energy saving and environmental protection, lays the foundation for the subsequent research and development and manufacturing of series transformers with higher voltage levels, and greatly enhances the competitiveness
of China XD in the series transformer market.
