全球首台500千伏植物油变压器成功投运|国产 欧美 日韩
中新社广州8月15日电(王华 龚甸)由南方电网广东广州供电局牵头研制的全球首台500千伏植物油变压器,15日在广州500千伏增城变电站成功投运。这标志着中国在高电压等级环保变压器领域实现跨越,为城市发展乃至全球能源转型带来新路径。

作为目前全球运行电压等级最高的植物油变压器,该设备的电气性能与安全可靠性全面达到并超越传统矿物油变压器标准,填补了500千伏天然酯绝缘油变压器实用化领域的国际空白。该变压器采用的天然酯绝缘油源自植物种子提炼,设备全生命周期碳足迹大幅降低。
据了解,自2012年起,广州供电局研发团队就开始探索植物绝缘油和植物绝缘油变压器的研制,先后成功研制了具有自主知识产权的高稳定性植物绝缘油和10千伏至500千伏植物绝缘油变压器系列产品,形成美国、欧洲发明专利各1件,中国发明专利80余件。
广州供电局电力科学研究院绿色环保材料与电工装备实验室宋浩永说,据测算,这台500千伏植物油变压器全生命周期(从投运到报废)可减少碳排放72.8吨,相当于25万辆汽车行驶1公里的碳排放量。
广州供电局资产管理部变电科高级经理刘禹介绍,植物油变压器噪音比传统变压器降低近30%;系统耐受温度范围比传统设备拓宽15℃,同时,该变压器通过布置智能设备可实现24小时实时监测与节能运行,有效提升供电可靠性;植物绝缘油可完全自然降解,从根本上消除了传统矿物油泄漏可能带来的土壤、水源污染风险,体现了“零污染、高可靠”特性。(完)
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