Published by Andrzej ŁEBKOWSKI, Gdynia Maritime University, Department of Ship Automation Abstract. The paper presents the results of temperature and short-circuit research of battery types most commonly used in electric vehicles. Basing on performed tests, the plots of changing internal resistance of lead-acid and lithium batteries are shown. On the basis of conducted short-circuit experimentsContinue reading “Temperature, Overcharge and Short-Circuit Studies of Batteries used in Electric Vehicles”
Category Archives: Case Studies
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”
On / Off – Board Chargers for Electric Vehicles
Published by Artur J. MORADEWICZ, Instytut Elektrotechniki Abstract. The element of infrastructure that provides a connection between an electric vehicle (EV) and a depleted battery and electric source that will charge/discharge these batteries is the Electric Vehicle Service Equipment (EVSE). Recently, the interest of electric vehicles and their charging infrastructure has been the subject ofContinue reading “On / Off – Board Chargers for Electric Vehicles”
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”
Analysis of Lightning Current Distribution in the Lightning Protection System (LPS) with using Numerical Simulations
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”
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”
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