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”

The System for Testing the Resistance to the Surface Discharge and Erosion of the Polymeric Insulators

Published by Tomasz SAMBORSKI, Andrzej ZBROWSKI, Stanisław KOZIOŁ, Instytut Technologii Eksploatacji – Państwowy Instytut Badawczy Abstract. The introduced device allows performance of the research in the rotary testing of the resistance to the surface discharge and erosion of the polymeric insulators according to PN-EN 62217:2007. The applied control system of the operation of the deviceContinue reading “The System for Testing the Resistance to the Surface Discharge and Erosion of the Polymeric Insulators”

Feasibility Analyses of Hybrid Wind-PV-Battery Power System in Dongwangsha, Shanghai

Published by Liu Liqun, Liu Chunxia, Taiyuan University of Science & Technology Abstract. This paper gives the feasibility analysis of a wind-PV-battery system for an off-grid power station specially located in remote village of Dongwangsha, Shanghai. The simulation and optimization results indicated the feasibility analyses of the proposed hybrid wind-PV system with storage battery backup.Continue reading “Feasibility Analyses of Hybrid Wind-PV-Battery Power System in Dongwangsha, Shanghai”

Evaluation of Harmonic Impacts from Compact Fluorescent Lights On Distribution Systems

Published by Electrotek Concepts, Inc., PQSoft Case Study: Evaluation of Harmonic Impacts from Compact Fluorescent Lights On Distribution Systems, Document ID: PQS0322, Date: April 16, 2003. Abstract: This case study presents the results of a research investigation into the impact of compact fluorescent lights (CFLs) on an existing distribution system. The analysis uses a combination ofContinue reading “Evaluation of Harmonic Impacts from Compact Fluorescent Lights On Distribution Systems”

Research on Design and Control of Microgrid System

Published by Yanbo CHE, Jian CHEN,School of Electrical Engineering & Automation, Tianjin University, Tianjin China. Abstract. Microgrid system has received more and more attention internationally in recent years. As the most effective form of distributed generations, microgrid system has also found wide applications in many areas. In this paper, the optimal configuration issue of microgridContinue reading “Research on Design and Control of Microgrid System”