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基于宽频振动传感器的电力设备状态监测方法可行性分析

Gaoya dianqi
宽频振动信号包括1 Hz~20 kHz的低频振动信号和20~500 kHz的高频超声信号。近年来，利用振动信号对变压器、电容器、电抗器等电力设备进行状态检测的手段日益成熟，超声信号也可以很好地检测出电力设备中的局部放电并定位，均已有较为成熟的应用。文中提出了基于宽频振动传感器的电力设备状态监测方法，并使用该传感器同时测量了脉冲振动源的振动以及油纸绝缘针板电极局部放电的超声，借助仿真对超声时延进行了修正，对局部放电进行了识别，并与脉冲电流法所得结果进行了对比。结果表明 ...
相晨萌, 高树国, 刘宏亮, 赵军, 孟令明, 贾云飞, 张凡   +6 more
doaj  

[A generalizable epilepsy detection network based on dual-attention mechanism]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhang L, Zhai F, Jin J, Jiang X, Chang W.   +4 more
europepmc   +1 more source

[Study on electrospun film-covered tracheal stents with adaptive release of anti-inflammatory drugs driven by the piezoelectric effect]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Wang Z, Zhao F, Dai B, Wang F, Du T, Qiao A, Zhang Y.   +6 more
europepmc   +1 more source

[Comparison of chiral separation performance of （2-hydroxyethyl-<i>β</i>）-cyclodextrin bonded superficially porous and fully porous particle chiral stationary phases in supercritical fluid chromatography and reversed-phase liquid chromatography]. [PDF]

Se Pu
Yang GY, Wu HJ, Zhang HT, Wang HL, Liang QY.   +4 more
europepmc   +1 more source

[Advances in research on neuroelectrophysiological characteristics of post-stroke cognitive impairment based on quantitative electroencephalography and acupuncture interventions]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Feng Y, Su K, Ren Q, Pan R, Wang C, Zhang X, Li Q, Wang Y, Zhang M.   +8 more
europepmc   +1 more source

[Research progress of Pendulum Leg Swing Therapy in treatment of knee osteoarthritis]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Jiang N, Zhao J, Zhao J, Zhang H, Tian A, Ma X.   +5 more
europepmc   +1 more source

[Research on auditory neurofeedback technology and its multi-disciplinary applications]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Hu X, Gong A, Shi X, Gong B, Li S, Shi T, Fu Y.   +6 more
europepmc   +1 more source

[Research progress on the neuromodulation targets in stroke rehabilitation]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Yang X, Wang L, Yang J, Zheng C, Ming D.
europepmc   +1 more source

[Pediatric thunderstorm asthma in China: epidemiological characteristics and comprehensive management]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Han P, Shen KL.
europepmc   +1 more source

[Research progress of electroactivity graphene-based materials in bone repair]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Kang R, Yuan W, Zhu Y.
europepmc   +1 more source