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EPE, a monthly journal, publishes research and review articles in all important aspects of electric power engineering and other professionals involved in the electric power industry. Both experimental and theoretical papers are acceptable provided they report important findings, novel insights, or useful techniques in…
M. A. Ahmed Awadelrahman, Yi Zong, Hongwei Li, Carsten Agert
This paper presents a study to optimize the heating energy costs in a residential building with varying electricity price signals based on an Economic Model Predictive Controller (EMPC). The investigated heating system consists of an air source heat pump (ASH…
Laijun Chen, Yuyang Wang, Tianwen Zheng, Zhenquan Sun, 1 1, 1 1
A consensus-based distributed control method of coordinated VSGs with communication time delays in isolate microgrid is proposed. When time delays are considered in communication, there are some effects on frequency restoration and active power output allocat…
Xuze Zhang, Xiaoning Kang, Yali Ma, Hao Wang, Qiyue Huang
The parameters of abnormal data are defined and their influence on the original data and Fourier Algorithm is studied. A formula is proposed to quantify how the abnormal data influences the amplitude calculated by Fourier Algorithm. Two simulation models are…
Xuze Zhang, Xiaoning Kang, Hao Wang, Qiyue Huang, Yali Ma
A compound relay protection operation criterion is proposed based on Kirchhoff’s Current Law and abnormal data detecting algorithm. The abnormal data detecting algorithm are proposed after deep research on the abnormal data properties. The current transformer…
Zhen Mei, Bo Ruan, Yu Li, Jun Huang, Cheng Long
This paper proposed a method of optimal economic life interval evaluation of transformer, thus providing scientific support for power system planning and reconstruction. First, obtaining the transformer failure rate by using Levenberg-Marquardt based least sq…
Qiyue Huang, Changjin Hu, Zhenquan Sun, Xiaoning Kang, Xuze Zhang, Hao Wang, Chong Zhao, Yali Ma
Flying plots detection has been the focus of relay protection in power system for a long time. With the promotion of Smart substation in our country, the number of SV devices is greatly increased. Abnormal data (flying plot) caused by sampling device itself h…
Gang Liu, Cheng Chi, Yanjiao Jin, Yongqiang Ma, Lipeng Sun, Lin Li, Youliang Sun
The line side winding is under the fundamental frequency AC voltage, while the valve side winding contains not only fundamental AC voltage component, but also the DC voltage component, fundamental AC voltage component, and higher harmonic voltage components w…
Yu Qin, Yu Bai, Minghao Wen
This article studies the fault recorder in power system and introduces the Comtrade format. Andituses C++ programming to read recorded fault data and adopts Fourier analysis and symmetrical component method to filter and extract fundamental waves. Finally the…
Mian Du, Jun Yi, Jianbo Guo, Lin Cheng, Shicong Ma, Qing He, 1 1
In this paper, an improved Failure Modes, Effects and Criticality Analysis (FMECA) method for wind turbine reliability investigation is proposed. According to previous work, the main deficiencies of Risk Priority Number (RPN) based criticality analysis are pr…
Zhenquan Sun, Qiyue Huang, Changjin Hu, Xiaoning Kang, Hao Wang, Xuze Zhang, Chong Zhao, Yali Ma
China has a vast territory with a great demand for electricity. However, the resources are in reverse distribution in the country. Therefore, high voltage direct current transmission has great practical significance and been widely used. However, traditional…
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EPE, a monthly journal, publishes research and review articles in all important aspects of electric power engineering and other professionals involved in the electric power industry. Both experimental and theoretical papers are acceptable provided they report important findings, novel insights, or useful techniques in… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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