EN 50216-7 covers requirements for electric pumps which generate the circulation of insulating oil in transformers and reactors conforming to the EN 60076 series and their associated cooling systems. The pumps covered in this standard are rotodynamic pumps driven by a squirrel cage induction motor which is immersed in the insulating oil. Pump sets conforming to this standard may be of in-line or end suction design. This standard includes requirements for the electrical and hydrulic performance, mechanical design, routine testing and type testing. Additionally, performancy and dimensions of preferred sizes of pump sets are specified (see normative annexes A
DS/EN 50216-7-2002由丹麦标准化协会 DK-DS 发布于 2002-03-08,并于 2002-02-26 实施。
DS/EN 50216-7-2002在国际标准分类中归属于: 29.180 变压器、电抗器、电感器。
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