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高压电器  2015 

5 MW海上风力发电机绝缘系统的海洋环境模拟试验研究

, PP. 14-18

Keywords: 海上风力发电机,海洋环境,绝缘系统,耐环境性

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Abstract:

笔者为了研究在海洋环境下风力发电机绝缘系统的状况,调查了海上风力发电机运行的环境气候条件,制作了模拟5MW/3kV级定子绕组绝缘系统的试样,在实验室进行了温度变化、恒定湿热和持续盐雾的加速海洋环境模拟试验,并测量了包括介质损耗因数和绝缘电阻等非破坏性特征参量以及击穿电压,评估了该绝缘系统对海洋环境的耐受性。试验表明,尽管在环境试验过程中线圈绝缘与铁心之间产生了微裂缝,盐水或湿气已渗入到铁心内表面,但由于半导电材料的屏蔽作用,试样的绝缘系统具有优良的耐海洋环境性。

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