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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…
Xiangli Li, Zhaoyang Yan, Yanni Gao, Hanhong Qi
This paper presents a new inverter based on three-phase Boost/Buck-boost single-stage inverter. The basic configuration of the new topology and their fundamental principle are firstly introduced, the method of design double-loop controller and sliding mode co…
Zheng-yu Shu, Chang-hong Deng, Wen-tao Huang, Yi-xuan Weng
This paper presents a new line importance degree evaluation index for the propagation of cascading failures, which is used to quantify transmission lines for cascade spread. And propose an improved capital matching model, according to the results of the evalu…
Siming Hua, Hua Zhang, Feng Qian, Chunjie Chen, Meixia Zhang
Combined with actual situation of Fengxian power Supply Company, the neutral grounding modes of Fengxian 35 kV and 10 kV power grid are studied in the paper. The different frequenc ies injected method is used to measure the capacitive current of Fengxian 28 s…
Mohamed AboGaleela, Magdy El-Marsafawy, Mohamed El-Sobki
Utilities around the world have been considering Demand Side Management (DSM) in their strategic planning. The costs of constructing and operating a new capacity generation unit are increasing everyday as well as Transmission and distribution and land issues…
Yuting Wang, Kezhen Liu, Chenkai Mo
When the global electricity industry has reorganized the structure and introduced competitive market mechanism world widely, China is no exception. Since 2002, “ Electricity System Reform Program ” was enacted. The mode of the State Power Corporation was divi…
Changqing Zhao, Chenxu Zhao, Heng Xu, Haijun Zhang, Minghao Sun
This paper describes the shortcomings and difficulties of power company security construction , such as site management for construction site security monitoring personnel is limited, in recent years , rural power grids and Urban Network alteration Faced with…
Shan Sun, Guo Zeng, Xiaozang He, Yanping Lv, Xinyi Li
Using the neutral grounding method by the resistance in 110 kV system, it can limit the voltage sag and short circuit current when one-phase grounding fault occurred, but it will change the sequence of the network structure and parameters. This paper analyzes…
Guo Zeng, Guangliang Feng, Yanping Lv, Shan Sun
This paper researches the voltage transfer characteristics when one-phase ground fault occurred in the resistance grounding system, by using the theory of the asymmetric variable characteristics and the sequence network analysis of the -11 transformer, and co…
Fan Fan, Yingmin Zhang, Xingyuan Li, Wei Ma
An integrated scheme of emergency DC power support which is based on dominant center of Inertia DCOI is proposed to improve power system transient stability. The inter-area speed differences equivalent by dominant center of inertia alleviates the main weaknes…
Weiping Zhang, Wei Zhang, Jianbo Yang, Faris Al-Naemi
The paper presents detailed comparisons between CRM (critical conduction mode) and CCM (continuous conduction mode) control schemes used for Boost PFC converter. The two schemes are analyzed and compared under the chips of L6561 and UC 3854 which are commonly…
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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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