Effect of Distribution Feeder Loading on Harmonic Resonance

Published by Electrotek Concepts, Inc., PQSoft Case Study: Effect of Distribution Feeder Loading on Harmonic Resonance, Document ID: PQS0703, Date: July 26, 2007. Abstract: A utility operates 1200 kVAr and 600 kVAr capacitor banks on a 25.56kV distribution feeder. The utility uses frequency scan simulations to determine the effect of the capacitor banks and seasonal loadContinue reading “Effect of Distribution Feeder Loading on Harmonic Resonance”

Development of Electric Systems for Hybrid and Electric Vehicles

Published by Bartłomiej TWOREK, Politechnika Śląska, Instytut Elektrotechniki i Informatyki, Zakład Maszyn Elektrycznych i Inżynierii Elektrycznej w Transporcie Abstract. This article presents improvement concepts of automotive electrical systems. 12-volt electrical systems are heavy and not effective for hybrid and electric vehicles. Author of this article performed study of energy consumption to analyze this problem. ForContinue reading “Development of Electric Systems for Hybrid and Electric Vehicles”

Distribution System Harmonic Evaluation

Published by Electrotek Concepts, Inc., PQSoft Case Study: Distribution System Harmonic Evaluation, Document ID: PQS1013, Date: October 15, 2010. Abstract: This case study presents a utility distribution system harmonic analysis evaluation. The simulations were completed using the SuperHarm program. The analysis included frequency response and harmonic distortion simulations for a 13.2 kV substation and several industrialContinue reading “Distribution System Harmonic Evaluation”

Operation of Electrical Vehicles Fast Charging Stations in Warsaw – Case Study of InnogyGO! Collecting Point

Published by Krzysztof ZAGRAJEK, Konrad WRÓBLEWSKI(1), Piotr BICZEL(2), Łukasz SOSNOWSKI(3),Warsaw University of Technology, Institute of Electrical Power Engineering (1); Institute of Theory of Electrical Engineering, Measurement and Information Systems (2) ; Innogy Stoen Operator (3) Abstract. The paper presents the problems of operating a fast charging station for electric vehicles in a collecting point ofContinue reading “Operation of Electrical Vehicles Fast Charging Stations in Warsaw – Case Study of InnogyGO! Collecting Point”

Distribution Substation Harmonic Measurement Data Evaluation

Published by Electrotek Concepts, Inc., PQSoft Case Study: Distribution Substation Harmonic Measurement Data Evaluation, Document ID: PQS1016, Date: October 15, 2010. Abstract: This case study presents a distribution harmonic data analysis for a substation monitoring location for a three-month period. The utility substation included a step-down transformer and a number of distribution feeders that supplied aContinue reading “Distribution Substation Harmonic Measurement Data Evaluation”

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”

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”