描述
变压器的试验是验证其性能和制造质量的重要手段,试验的种类主要有型式试验、出厂试验、交接试验、预防性试验、检修后试验等。
(1)型式试验。型式试验也称设计试验,它是对变压器的结构、性能进行全面鉴定的试验,以确认变压器是否达到原设计的要求。
(2)出厂试验。它是每一台变压器出厂时必须进行的试验,以检验该变压器是否符合原定技术条件的要求,确认没有制造上的偶然缺陷。
(3)交接试验。它是根据合同的技术条件和验收要求,在变压器安装后投入运行前进行的试验,以确认变压器在运输、安装过程中是否发生损坏和变化,是否符合投运要求。
(4)预防性试验。它是在变压器投入运行后,通过测量变压器电气回路和绝缘状态的试验,以确认变压器能否继续运行。
(5)检修后试验。它是在变压器检修后,根据有关标准和检修部位的特点,进行有针对性的试验,以确认检修后的质量,并确认变压器能否投入运行。
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