Patent
Electrified analysis system for electronic transformers
Wang Jiaying,Feng Limin,Wang Shuo,Wang Ding,Li Dexin,Lyu Xiangyu,Zhang Zhixin,Liu Honglei,Wang Liqing,Zhang Shengying,Zhang Feng,Si Lei,Huang Yujun,Zhu Zhenlin,Bai Guisheng,Jin Junjie,Zhao Haipeng,Wu Yongpeng,Li Bin +18 more
- 06 Apr 2018
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TL;DR: In this paper, an electrified analysis system for electronic transformers is presented, which is composed of multiple transformers, merging units, a fault wave recording and network recording analysis device and an upper computer.
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Abstract: The invention provides an electrified analysis system for electronic transformers, which is composed of multiple electronic transformers, merging units, a fault wave recording and network recording analysis device and an upper computer, wherein the electronic transformers are connected with the merging units respectively; the merging units are connected with the fault wave recording and network recording analysis device; the fault wave recording and network recording analysis device is connected with the post-end upper computer; the electronic transformers acquire data, the data are transmitted to the fault wave recording and network recording analysis device through the merging units, the fault wave recording and network recording analysis device stores a large-capacity storage hard disk,the acquired data are subjected to data format conversion through programmed software, and the data are subjected to offline analysis processing through a wavelet analysis algorithm based on Labviewanalysis software and a neural network based on depth learning. Detection on at least two electronic transformers in aspects of precision, harmonic detection performance and bandwidth performance stability and long-time electrified contrast examination can be realized.
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Citations
Patent
Apparatus and method for automatically testing fiber current transformer
Wang Yonghong,Ren Nannan,Guo Jingang,Shi Haipeng,Bi Lipeng,Si Lei,Lin Haidan,Wang Liqing,Ao Ming,Liu He +9 more
- 22 Feb 2019
TL;DR: In this paper, an apparatus and method for automatically testing a fiber current transformer is described, which consists of a standard source for providing a standard reference signal for a fiber-current transformer, a data combining unit configured to collect a standard signal outputted by the standard source and a signal outputting by the fibercurrent transformer synchronously, carrying out combination and frame forming on the signal collected synchronously and sending the processed signal to a communication and control unit.
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Two-channel cross-check electronic transformer
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- 04 Jan 2019
TL;DR: In this article, a two-channel cross-check electronic transformer is proposed, which consists of a primary sensor, a remote module and a combining unit, which is used as the primary sensor.
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TL;DR: In this paper, the authors proposed a current loop monitoring system based on total station data comparison analysis, which consists of a first current sampling module and a second current sampling judging module.
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TL;DR: In this paper, an adaptive regulation method and device for DC transient step source signals is proposed, where a low-voltage signal obtained by signal processing is corrected by using a closed-loop step output mode according to a preset self-learning algorithm.
Patent
Electronic transformer credibility evaluation method and device based on whole-network domain evidence set
Huang Qifeng,Lu Shufeng,Xu Minrui,Li Zhixin,Yang Shihai,Chen Wenguang,Chen Gang,Cheng Guofeng,Zhou Gan,Liu Xi'ang,Ding Jun,Xu Xin,Lu Zigang,Cheng Siyuan,Wu Qiao,Cheng Hanmiao,Yao Gandong +16 more
- 31 Dec 2019
TL;DR: In this article, an electronic transformer credibility probability evaluation method and device based on a whole-network domain evidence set is presented. But the method comprises the steps of clustering high-dimensional data sets of an EH transformer to obtain different clusters of the clustered high dimensional data sets, and removing noise point data; outputting a predicted credibility probability according to the credibility probabilities of the highdimensional data set of the electronic transformer, and training a pre-established XGBoost model to obtain a trained XGBOost model.
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Patent
Electronic mutual indicator test system
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Patent
Test system and method for performance of electronic current transformer
Huang Zhechen,Li Peng,Zhang Chi,Gao Lei,Lin Jinjiao,Bu Qiangsheng,Kong Xiangping +6 more
- 07 Jul 2017
TL;DR: In this article, a test system and a method for a performance of an electronic current transformer are presented, where the system is composed of a standard current transformer, a testing ECT, a sampling rate adaptive module, and a merging unit, wherein primary sides of the ECT and the SRC are connected in series.
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