scholarly journals Multicriterial evaluation and optimization of an algorithm for charging energy storage elements

2021 ◽  
Author(s):  
Krasimir Kishkin ◽  
Dimitar Arnaudov ◽  
Venelin Todorov ◽  
Stefka Fidanova
Keyword(s):  
Energy Storage ◽  
Charging Energy

Optimum configuration of a metal foam layer for a fast thermal charging energy storage unit: A numerical study

2022 ◽  
Vol 48 ◽  
pp. 103950
Author(s):  
S.A.M. Mehryan ◽  
Kasra Ayoubi Ayoubloo ◽  
Mahboobe Mahdavi ◽  
Obai Younis ◽  
Zahra Kazemi ◽  
...  
Keyword(s):  
Energy Storage ◽  
Metal Foam ◽  
Numerical Study ◽  
Foam Layer ◽  
Storage Unit ◽  
Energy Storage Unit ◽  
Optimum Configuration ◽  
Charging Energy

An Improved TL Buck Converter for Fast-Charging Energy Storage System Using UCs

2016 ◽  
Vol 20 (7) ◽  
pp. 1086-1093
Author(s):  
Bin Chen ◽  
◽  
Zhiwu Huang ◽  
Rui Zhang ◽  
Heng Li ◽  
...  
Keyword(s):  
Energy Storage ◽  
Storage System ◽  
Energy Storage System ◽  
Buck Converter ◽  
Dynamic Parameters ◽  
Energy Transformation ◽  
Output Current ◽  
Fast Charging ◽  
Simulation Results ◽  
Charging Energy

Due to the disadvantages of existing ultracapacitor (UC) charging topologies, e.g., slow transient response, an improved three-level (TL) buck charging topology is proposed. Voltage is divied by the energy transformation of the flying-capacitance. The model of the circuit is shifted adaptively on the basis of the dynamic parameters of the reference current, improving the speed of the output current adjustment. Finally, simulation results validate the feasibility of the proposed TL buck topology for the UC energy storage system.

Rapid Charging Energy Storage System for a Hybrid Freight Locomotive

2020 ◽  
Author(s):  
Maksym Spiryagin ◽  
Peter Wolfs ◽  
Qing Wu ◽  
Chris Bosomworth ◽  
Colin Cole ◽  
...  
Keyword(s):  
Energy Storage ◽  
Storage System ◽  
Energy Storage System ◽  
System Control ◽  
Performance Study ◽  
Simulation Techniques ◽  
Train Operation ◽  
Dynamic Braking ◽  
Charging Energy ◽  
Traction Power

Abstract This paper examines whether rapid charging technology could enable implementation in a hybrid freight locomotive design and how it might benefit the existing freight train operation scenarios. In the study, a hybrid locomotive design with rapid charging technology has been proposed and implemented with the application of advanced simulation techniques used in recent locomotive/train/track damage studies. The detailed hybrid locomotive model includes multibody subsystems for the locomotive mechanical system and a traction power system including a full battery pack model with an ESS (Energy Storage System) control algorithm implemented in the Matlab/Simulink software package. For the train performance study, the traction effort and dynamic braking characteristics obtained from the hybrid locomotive model have been incorporated into an in-house train dynamics package for the analysis of locomotive performance, infrastructure requirements and economics under a realistic operational study.

Effect of Circular Fins on Latent Heat Storage to Enhance Solar Water Heater, an Experimental Study

2015 ◽  
Vol 787 ◽  
pp. 13-17 ◽  
Author(s):  
G. Murali ◽  
K. Mayilsamy
Keyword(s):  
Energy Efficiency ◽  
Energy Storage ◽  
Storage Tank ◽  
Water Tank ◽  
Solar Water Heater ◽  
Water Heater ◽  
Latent Heat Storage ◽  
Solar Water ◽  
Collector Efficiency ◽  
Charging Energy

In natural circulation solar water heating, the efficiency of energy storage and solar collector can be improved if the water tank is stratified. Employing Phase Change Material (PCM) in the top of the tank will improve the stratification of the energy storage tank. Current paper studies the use of circular fins around PCM geometry with high surface to volume ratio to improve the efficiency of solar water heater. Heating and cooling tests have been performed in a domestic water heater with flat plate collector under real working conditions. Eventually the temperature distribution along the height of the storage tank, charging energy efficiency, collector efficiency have been calculated and compared. Tests have been simulated in CFD software for validating results. Addition of circular fins around PCM produces up to 5% and 36.48% improvement in tank charging energy efficiency, collector efficiency respectively because of improved heat transfer between PCM and water.

scholarly journals Fuel Flexibility in Compressed Air Energy Storage Plants

1985 ◽  
Author(s):  
B. Basler ◽  
P. Zaugg
Keyword(s):  
Energy Storage ◽  
Power Plant ◽  
Operating Cost ◽  
Operating Experience ◽  
Compressed Air ◽  
Storage Facility ◽  
Compressed Air Energy Storage ◽  
Fuel Flexibility ◽  
Charging Energy ◽  
Storage Processes

The pneumatic storage of energy is one of the few economical storage processes which can be considered at present for large quantities of energy. Present Compressed Air Energy Storage (CAES) plants are designed on the basis of construction and operating experience at Huntorf, the world’s first air-storage plant [1]. That means, that the turbine of the plant is equipped with combustors to increase the power output during turbine operation, and to reduce the volume and cost of the air storage facility as well as the quantity and cost of the required charging energy [2]. In this paper it is explained that the Brown Boveri CAES turbomachinery is able to burn a variety of different fuels. This opens in many cases the possibility to choose a cheaper or better available fuel to reduce furthermore the operating cost of this kind of power plant.

The landscape is charging [energy storage]

2017 ◽  
Vol 12 (5) ◽  
pp. 36-39
Author(s):  
C. EdwardsEdwards
Keyword(s):  
Energy Storage ◽  
Charging Energy
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