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Recently, a domestic cable enterprise "peroxide cross-linked low-resistance thermally stable graphene composite semi-conductive shielding material for 35KV and below cross-linked cable" project was officially put into production in Wujin District, Changzhou, Jiangsu, filling the domestic gap
.
This technological innovation solves the key technical problems
such as the optimal addition ratio of graphene, uniform dispersion technology, conductivity mechanism analysis technology, and processing and molding technology.
After the graphene composite semi-conductive shielding material project material is applied to medium and high voltage cables, it can greatly reduce the volume resistivity of the semi-conductive shielding layer inside and outside the cable, improve its thermal stability, improve the homogenization effect of the shielding layer on the electric field, effectively reduce the partial discharge phenomenon that may occur in the operation of the cable, ensure the safety and reliability of the operation of the power line, and improve the operating life
of the cable.
It is reported that the research of the cable company's "graphene composite high semi-conductive screen materials for medium and high voltage cables" project began in 2011, and its subsidiary started the industrialization operation
of achievement transformation in June 2015.
The first production line of the project, namely the production line of "peroxide cross-linked low-resistance thermally stable graphene composite semi-conductive shielding material for cross-linked cables of 35KV and below", will form an annual output of 2,000 tons of low-resistance thermally stable graphene composite semi-conductive shielding materials for medium and high voltage
cables.
According to the person in charge of the company, the second production line planned to be put into operation in the future will be positioned as "graphene composite semi-conductive shielding material for cross-linked cables of 110KV and above", and strive to replace the import
of medium and high voltage cable materials of 110KV and above after the second production line is put into operation.
Recently, a domestic cable enterprise "peroxide cross-linked low-resistance thermally stable graphene composite semi-conductive shielding material for 35KV and below cross-linked cable" project was officially put into production in Wujin District, Changzhou, Jiangsu, filling the domestic gap
.
This technological innovation solves the key technical problems
such as the optimal addition ratio of graphene, uniform dispersion technology, conductivity mechanism analysis technology, and processing and molding technology.
After the graphene composite semi-conductive shielding material project material is applied to medium and high voltage cables, it can greatly reduce the volume resistivity of the semi-conductive shielding layer inside and outside the cable, improve its thermal stability, improve the homogenization effect of the shielding layer on the electric field, effectively reduce the partial discharge phenomenon that may occur in the operation of the cable, ensure the safety and reliability of the operation of the power line, and improve the operating life
of the cable.
It is reported that the research of the cable company's "graphene composite high semi-conductive screen materials for medium and high voltage cables" project began in 2011, and its subsidiary started the industrialization operation
of achievement transformation in June 2015.
The first production line of the project, namely the production line of "peroxide cross-linked low-resistance thermally stable graphene composite semi-conductive shielding material for cross-linked cables of 35KV and below", will form an annual output of 2,000 tons of low-resistance thermally stable graphene composite semi-conductive shielding materials for medium and high voltage
cables.
According to the person in charge of the company, the second production line planned to be put into operation in the future will be positioned as "graphene composite semi-conductive shielding material for cross-linked cables of 110KV and above", and strive to replace the import
of medium and high voltage cable materials of 110KV and above after the second production line is put into operation.
