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Adaptive State of Charge Estimation for Li-Ion Batteries Based on an Unscented Kalman Filter with an Enhanced Battery Model

He, Zhiwei; Gao, Mingyu; Wang, Caisheng; Wang, Leyi; … - In: Energies 6 (2013) 8, pp. 4134-4151

Accurate estimation of the state of charge (SOC) of batteries is one of the key problems in a battery management system. This paper proposes an adaptive SOC estimation method based on unscented Kalman filter algorithms for lithium (Li)-ion batteries. First, an enhanced battery model is proposed...

Persistent link: https://www.econbiz.de/10010685668

Islanding Detection Method of a Photovoltaic Power Generation System Based on a CMAC Neural Network

Chao, Kuei-Hsiang; Yang, Min-Sen; Hung, Chin-Pao - In: Energies 6 (2013) 8, pp. 4152-4169

This study proposes an islanding detection method for photovoltaic power generation systems based on a cerebellar model articulation controller (CMAC) neural network. First, islanding phenomenon test data were used as training samples to train the CMAC neural network. Then, a photovoltaic power...

Persistent link: https://www.econbiz.de/10010685983

Thermal Efficiency Comparison of Borehole Heat Exchangers with Different Drillhole Diameters

Luo, Jin; Rohn, Joachim; Bayer, Manfred; Priess, Anna - In: Energies 6 (2013) 8, pp. 4187-4206

helpful suggestions for the design of future GSHP systems to achieve higher energy-efficiency. …

Persistent link: https://www.econbiz.de/10010686236

Optimum Application of Thermal Factors to Artificial Neural Network Models for Improvement of Control Performance in Double Skin-Enveloped Buildings

Moon, Jin Woo; Chin, Kyung-Il; Kim, Sooyoung - In: Energies 6 (2013) 8, pp. 4223-4245

This study proposes an artificial neural network (ANN)-based thermal control method for buildings with double skin envelopes that has rational relationships between the ANN model input and output. The relationship between the indoor air temperature and surrounding environmental factors was...

Persistent link: https://www.econbiz.de/10010686237

Comparison of the Experimental and Numerical Results of Modelling a 32-Oscillating Water Column (OWC), V-Shaped Floating Wave Energy Converter

Kelly, Thomas; Dooley, Thomas; Campbell, John; … - In: Energies 6 (2013) 8, pp. 4045-4077

Combining offshore wind and wave energy converting apparatuses presents a number of potentially advantageous synergies … model testing on the wave energy converting component of this platform has been conducted. The wave energy component is …

Persistent link: https://www.econbiz.de/10010687020

Analysis and Simulation of Fault Characteristics of Power Switch Failures in Distribution Electronic Power Transformers

Sang, Zixia; Mao, Chengxiong; Lu, Jiming; Wang, Dan - In: Energies 6 (2013) 8, pp. 4246-4268

This paper presents research on the voltage and current distortion in the input stage, isolation stage and output stage of Distribution Electronic Power transformer (D-EPT) after the open-circuit and short-circuit faults of its power switches. In this paper, the operational principles and the...

Persistent link: https://www.econbiz.de/10010687021

Assessment of Potential Capacity Increases at Combined Heat and Power Facilities Based on Available Corn Stover and Forest Logging Residues

Radhakrishnan, Selvarani; Paz, Joel O.; Yu, Fei; … - In: Energies 6 (2013) 9, pp. 4418-4428

Combined Heat and Power (CHP) production using renewable energy sources is gaining importance because of its … flexibility and high-energy efficiency. Biomass materials, such as corn stover and forestry residues, are potential sources for … renewable energy for CHP production. In Mississippi, approximately 4.0 MT dry tons of woody biomass is available annually for …

Persistent link: https://www.econbiz.de/10010687855

Demand Response and Economic Dispatch of Power Systems Considering Large-Scale Plug-in Hybrid Electric Vehicles/Electric Vehicles (PHEVs/EVs): A Review

Gu, Wei; Yu, Haojun; Liu, Wei; Zhu, Junpeng; Xu, Xiaohui - In: Energies 6 (2013) 9, pp. 4394-4417

mainstream methods: demand response and economic dispatch. The potential of using PHEVs/EVs to coordinate renewable energy …

Persistent link: https://www.econbiz.de/10010687856

Analysis of Peak-to-Peak Current Ripple Amplitude in Seven-Phase PWM Voltage Source Inverters

Grandi, Gabriele; Loncarski, Jelena - In: Energies 6 (2013) 9, pp. 4429-4447

Multiphase systems are nowadays considered for various industrial applications. Numerous pulse width modulation (PWM) schemes for multiphase voltage source inverters with sinusoidal outputs have been developed, but no detailed analysis of the impact of these modulation schemes on the output...

Persistent link: https://www.econbiz.de/10010690291

Modeling the Liquid Water Transport in the Gas Diffusion Layer for Polymer Electrolyte Membrane Fuel Cells Using a Water Path Network

Alink, Robert; Gerteisen, Dietmar - In: Energies 6 (2013) 9, pp. 4508-4530

In order to model the liquid water transport in the porous materials used in polymer electrolyte membrane (PEM) fuel cells, the pore network models are often applied. The presented model is a novel approach to further develop these models towards a percolation model that is based on the fiber...

Persistent link: https://www.econbiz.de/10010690515