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基于姿态角与速度曲线的高压隔离开关故障诊断

Gaoya dianqi
高压隔离开关作为电力系统重要的电气设备，其机械故障会对电网的安全运行造成不利影响。而对隔离开关智能化故障诊断的研究目前还处于初步阶段，为此以某公司GW5-35型隔离开关为实验样机，搭建了基于陀螺仪的姿态角测量系统，测量了正常状态、触头风沙沉积、行程开关限位螺栓松动、轴承座螺栓松动和极间连杆双头螺栓松动等5种状态的姿态角—时间曲线和速度—时间曲线。提出了将隔离开关合闸过程划分为3个阶段并提取14个特征的特征提取方法，对上述5种状态下隔离开关的典型工作过程和故障表现进行了详尽分析 ...
张晋波, 李可萌, 叶哲, 孙正可, 袁欢, 杨爱军, 李黎明, 王小华, 荣命哲   +8 more
doaj  

[Progress in microsurgical repair and reconstruction techniques and development of microsurgery in China]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Gu L.
europepmc   +1 more source

[Guideline for allogeneic hematopoietic stem cell transplantation in the treatment of transfusion-dependent thalassemia in China (2026)]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Committee of Thalassemia Prevention and Treatment, China Maternal and Child Health Association, Subspecialty Group of Hematology, Society of Pediatrics, Chinese Medical Association, China Thalassemia Prevention and Control Collaboration Network, Editorial Board of Chinese Journal of Contemporary Pediatrics.   +6 more
europepmc   +1 more source

[Novel technologies for large-scale analysis of cell surface glycoprotein interactions and their applications]. [PDF]

Se Pu
Liu Y, Wu C, Zhao Q, Liang Z, Zhang F, Zhang L.   +5 more
europepmc   +1 more source

[Development of a machine learning-based ionization efficiency prediction model for per- and polyfluoroalkyl substances and its application in semi-quantitative analysis]. [PDF]

Se Pu
Sun SZ, Li YY, Gao Y, Li KC, Chen Z, Li XQ, Zhang QH.   +6 more
europepmc   +1 more source

[Mechanobiology of peripheral nerve development: mechanical properties, sensing, and response]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Liu T, Lu L, Wang Y.
europepmc   +1 more source

[Clinical symptoms and cone beam computed tomography imaging analysis of patients with temporomandibular joint osteoarthritis with chewing side preference before and after treatment of stabilization splint]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Li X, Wang J, Xu L, Xu X, Li H, Hu M, Liu H, Jiang H.   +7 more
europepmc   +1 more source

[Assessment on data processing methods for nontarget identification of per- and polyfluoroalkyl substances using liquid chromatography-high-resolution mass spectrometry]. [PDF]

Se Pu
Zhang BX, He QW, Han BC, Ma CD, Luo ZJ, Meng XZ.   +5 more
europepmc   +1 more source

[<i>In vitro</i> culture, expansion, and biological characterization of mesenchymal stem cells derived from neonatal rat liver]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Chi M, Li B, Wu J, Ge J, Tang Y.
europepmc   +1 more source

[Comparison of effectiveness between endoscopic and microscopic anterior cervical discectomy and fusion]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Huang C, Chen K, Liu H, Ge Z, Lin D, Chen B, Su G, Lin Y, Hou Y, Li Y.   +9 more
europepmc   +1 more source