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浏览/检索结果: 共7条，第1-7条 帮助 限定条件 发表日期：2016    内容类型：会议论文     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Study on diagnosis of power transformer winding deformation through vibration signal 会议论文 作者:  Zhang, Fan;  Ji, Shengchang;  Shi, Yuhang;  Cui, Yanjie;  Zhu, Lingyu 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/02 Diagnosis methods  External short circuits  Failure thresholds  Frequency response analysis  Fundamental frequencies  Low voltage impulse  Vibration  Winding deformations   Influence factor on sweep frequency impedance to detect winding deformation within power transformer 会议论文 作者:  Wu, Jingfeng;  Mao, Chen;  Han, Yanhua;  Huang, Guoqiang;  Yang, Chuankai 收藏  |  浏览/下载：9/0  |  提交时间：2019/11/26 Correlation coefficient  Frequency response analyses (FRA)  Influence factor  Non destructive testing  Nondestructive methods  Short-circuit impedance  Sweep frequencies  Transformer winding deformations   Research of sweep frequency impedance to determine transformer winding deformation after short-circuit impact 会议论文 作者:  Yang, Fan;  Ji, Shengchang;  Liu, Yong;  Zhang, Fan 收藏  |  浏览/下载：7/0  |  提交时间：2019/11/26 Correlation coefficient  Frequency response analyses (FRA)  Identification criterion  Quantitative criteria  Short-circuit impedance  Sweep frequencies  Transformer winding deformations  Winding deformations   Numerical Modelling: The Effect of Particle Size Distribution on the Permanent Deformation of Unbound Granular Materials 会议论文 Shangdong, PEOPLES R CHINA, JUL 25-27, 2016 作者:  Chen, Cheng;  Liu, Xiaoqing;  Kong, Lingwei;  Ning, Zhiqiang 收藏  |  浏览/下载：20/0  |  提交时间：2018/06/05 Experimental study on dynamic response of rock masses with different joint matching coefficients 会议论文 Suzhou, PEOPLES R CHINA, MAY 18-19, 2016 作者:  Li, N. N.;  Li, J. C.;  Li, H. B.;  Chai, S. B. 收藏  |  浏览/下载：10/0  |  提交时间：2018/06/05 A constitutive model considering friction property of geomaterials and stability analysis of borehole 会议论文 Wuhan, PEOPLES R CHINA, SEP 06-08, 2015 作者:  Zheng, Ying-ren;  Gao, Hong;  Feng, Xia-ting;  Jiang, Quan;  Zhang, Yong-hui 收藏  |  浏览/下载：21/0  |  提交时间：2018/06/05 Friction property  Mechanical element of friction material  Nonlinear constitutive model  Friction strength enhancement   RESEARCH ON DYNAMIC PERFORMANCE OF COMBINED TYPE RETAINING DAM UNDER IMPACT LOAD 会议论文 作者:  Wang, Xiuli;  Gao, Fangfang;  Zhu, Yifan 收藏  |  浏览/下载：11/0  |  提交时间：2019/11/15 Impact load  block combination  pre-tightening force  numerical simulation  dynamic response