复合绝缘材料在750kV变电站中应用的关键技术

为保证沙州750 kV变电站电气设备外绝缘全复合化设计顺利实施,对750 kV变电站电气设备外绝缘全复合化设计的关键技术进行研究.研究内容包括提高复合绝缘材料耐风沙性能及耐紫外线性能技术、提高环氧树脂绝缘材料弹性模量成型技术、750 kV主变压器及高压电抗器出线套管研制技术、750 kV复合支柱隔离开关研制技术、72.5 kV复合柱式断路器研制技术等.上述关键技术的顺利完成,对于确保复合绝缘材料首次在750 kV变电站全面应用的安全性与可靠性具有重要意义.

Key Technologies of Composite Insulating Materials Adopted in 750 kV Substation

In order to ensure the electrical equipments in Shazhou 750 kV substation to be insulated totally with composite material, the key technologies of the composite insulating materials adopted in 750 kV substation was researched, including the technologies of improving the sand resistant and ultraviolet resistant performance of composite insulating materials, the molding technology of elasticity modulus of epoxy resin insulating material, and the development technologies of 750 kV main transformer, HP reactor bushing, 750 kV disconnector with composite post, 72.5 kV circuit breaker with composite column and so on. The successful accomplishment of these key technologies is significant to the safety and reliability of first application of composite insulating material in 750 kV substations.