Published by Konrad SOBOLEWSKI, Warsaw University of Technology Abstract. The paper describes the numerical model of a typical lightning protection system (LPS). This model was used to get information’s about lightning current distributions as an effect of direct lightning strike to this protection system. To perform this task was chosen software MATLAB/SIMULINK. With this toolContinue reading “Analysis of Lightning Current Distribution in the Lightning Protection System (LPS) with using Numerical Simulations”
Author Archives: PQBlog
Efunity becomes PQSynergy & Power Quality Blog Gold Sponsor
We are pleased to announce that Efunity was a Golden Sponsor for PQSynergyTM Conference Exhibition 2022 and Power Quality Blog. It is a privilege to be supported by Efunity. We are grateful to Adrian Teo, Chief Executive Officer of Efunity and to the Efunity team. Efunity is a company based out of Singapore that offers turnkeyContinue reading “Efunity becomes PQSynergy & Power Quality Blog Gold Sponsor”
Harmonics Generation, Propagation and Purging Techniques in Non-Linear Loads
Published by Hadeed Ahmed Sher, Khaled E. Addoweesh and Yasin Khan 1. Introduction Industrial revolution has transformed the whole life with advanced technological improvements. The major contribution in the industrial revolution is due to the availability of electrical power that is distributed through electrical utilities around the world. The concept of power quality in thisContinue reading “Harmonics Generation, Propagation and Purging Techniques in Non-Linear Loads”
Industrial Grids with Frequency Inverters and Localization of the Earth Fault
Published by Tomáš SNIEGOŇ, Jiří GURECKY, Department of Electrical Power Engineering, VŠB – TU Ostrava Abstract. This article focuses on industrial grids with frequency inverters and evaluation of the earth fault and its localization. In the first part the system of localization of the earth fault, industrial grids with frequency inverters and typical application inContinue reading “Industrial Grids with Frequency Inverters and Localization of the Earth Fault”
Research of the Fault Location Method of Distribution Network
Published by Yan LI1, Yu GUO2, Xiping WANG1,Electrical engineering department Hebei Engineering and Technical College (1), Langfang Yongqing supply Co.,Ltd. (2) Abstract. The rough set theory is used to realize the automatic fault location method of the rural power distribution network. The decision table of the distribution network fault location is based on the faultContinue reading “Research of the Fault Location Method of Distribution Network”
Apply to the Township’s Small Substation
Published by Shoucheng DING1,2, Limei XIAO1,2, Rui HUANG1, Jie LIU1, Shizhou YANG1, Xiao CHAI1,College of Electrical and Information Engineering, Lanzhou University of Technology (1), Key Laboratory of Gansu Advanced Control for Industrial Processes (2) Abstract. This paper designed a small terminal of a 35kV substation; it can meet the substation area electricity and the futureContinue reading “Apply to the Township’s Small Substation”
Distribution Substation Capacitor Bank Evaluation
Published by Electrotek Concepts, Inc., PQSoft Case Study: Distribution Substation Capacitor Bank Evaluation, Document ID: PQS1014, Date: October 15, 2010. Abstract: This case study presents a utility distribution substation capacitor bank harmonic analysis. The simulations were completed using the SuperHarm program. The investigation included frequency response and harmonic distortion simulations for a utility substation that includedContinue reading “Distribution Substation Capacitor Bank Evaluation”
A Grid-Connected PV Power System Total Considers the MPPT and SSRF-SPLL Control Technologies
Published by Liu Liqun, Liu Chunxia*, Taiyuan University of Science & Technology Abstract. At present, an optimal maximum power tracking (MPPT) and grid-connected control methods for a PV power system are very important to improve the output efficiency. However, most of literatures only introduce the MPPT or PLL method, respectively. A novel MPPT method isContinue reading “A Grid-Connected PV Power System Total Considers the MPPT and SSRF-SPLL Control Technologies”
Power Quality Analysis of Grid-Connected Photovoltaic Systems in Distribution Networks
Published by Masoud FARHOODNEA1, Azah MOHAMED1, Hussain SHAREEF1, Hadi ZAYANDEHROODI1, University Kebangsaan Malaysia (UKM) (1) Abstract. This paper presents a dynamic PQ analysis on the effects of high-penetrated grid-connected photovoltaic (PV) systems in a distribution system under different weather conditions. To track practical considerations, all information on PV units and weather conditions given in thisContinue reading “Power Quality Analysis of Grid-Connected Photovoltaic Systems in Distribution Networks”
Distribution Feeder Resonance and Harmonic Filter Evaluation
Published by Electrotek Concepts, Inc., PQSoft Case Study: Distribution Feeder Resonance and Harmonic Filter Evaluation, Document ID: PQS1006, Date: March 15, 2010. Abstract: Utility power system harmonic problems can often be solved using a comprehensive approach including site surveys, harmonic measurements, and computer simulations. This case study presents the results for a utility distribution feeder resonanceContinue reading “Distribution Feeder Resonance and Harmonic Filter Evaluation”
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