An effective hybrid wind-photovoltaic system including battery energy storage with reducing control loops and omitting PV converter

2020 ◽  
Vol 27 ◽  
pp. 101088 ◽  
Author(s):  
Sajad Najafi-Shad ◽  
S. Masoud Barakati ◽  
Amirnaser Yazdani
Keyword(s):  
Energy Storage ◽  
Photovoltaic System ◽  
Battery Energy Storage ◽  
Control Loops ◽  
Battery Energy

scholarly journals Fuzzy control in H-Bridge MLI for solar photovoltaic system to enhance load sharing

2018 ◽  
Vol 57 (1) ◽  
pp. 64-72 ◽  
Author(s):  
T Yuvaraja ◽  
KA Ramesh Kumar
Keyword(s):  
Energy Storage ◽  
Large Scale ◽  
Storage Systems ◽  
Load Sharing ◽  
Electric Power System ◽  
Photovoltaic System ◽  
Battery Energy Storage ◽  
Battery Energy Storage Systems ◽  
Solar Photovoltaic System ◽  
Battery Energy

The electric power system is undergoing important changes and updates nowadays, particularly on a generation and transmission level. Initially, the move towards a distributed generation in distinction to the present centralized one implies a major assimilation of energy from undeleted supply and electricity storage systems. Advanced power physics interfacing systems are expected to play a key role within the development of such modern governable and economical large-scale grids and associated infrastructures. Throughout the last era, a worldwide analysis and development interest has been impressed within the field of segmental structure conversion; thanks to the well-known offered blessings over typical solutions within the medium and high voltage and power range. Within the context of battery energy storage systems, the segmental structure conversion device family exhibits a further attraction, i.e., the aptitude of embedding such storage parts in an exceedingly split manner, given the existence of many submodules operative at considerably lower voltages. This study deals with many technical challenges related to segmental structure converters and their development with battery energy storage parts to boost load sharing system.

scholarly journals Operation of the Hybrid Photovoltaic-Battery System on the Electricity Market—Simulation, Real-Time Tests and Cost Analysis

Energies ◽  
2020 ◽  
Vol 13 (6) ◽  
pp. 1402 ◽  
Author(s):  
Robert Małkowski ◽  
Marcin Jaskólski ◽  
Wojciech Pawlicki
Keyword(s):  
Energy Storage ◽  
Storage System ◽  
Market Price ◽  
Lithium Ion ◽  
Energy Storage System ◽  
Photovoltaic System ◽  
Battery Energy Storage System ◽  
Levelized Cost Of Electricity ◽  
Battery Energy Storage ◽  
Battery Energy

This paper presents research on a hybrid photovoltaic-battery energy storage system, declaring its hourly production levels as a member of a balancing group submitting common scheduling unit to the day-ahead market. It also discusses the variability of photovoltaic system generation and energy storage response. The major research questions were whether the operation of a hybrid photovoltaic-battery energy storage system is viable from the technical and economic viewpoint and how to size battery energy storage for that purpose. The DIgSILENT PowerFactory environment was used to develop the simulation model of postulated hybrid system. Then, tests were conducted on real devices installed in the LINTE^2 laboratory at Gdańsk University of Technology, Poland. Firstly, power generation in the photovoltaic system was modeled using hardware in the loop technique and tested in cooperation with emulated photovoltaic and real battery energy storage system (lithium-ion battery, 25 kWh). Secondly, a real photovoltaic power plant (33 kW) and real battery energy storage were applied. The results obtained from laboratory experiments showed that market operation of hybrid photovoltaic-battery energy storage system is feasible. However, developing a control strategy constitutes a great challenge, as the operator is forced to intervene more frequently than the simulation models indicate in order to keep the parameters of battery storage within accepted ranges, especially in view of a sudden weather breakdown. Levelized cost of electricity from photovoltaic-battery energy storage system varied from 314 to 455 $/MWh, which has proven to be from two to three times higher than the current annual average day-ahead market price in Poland.

scholarly journals Optimized Sizing, Selection, and Economic Analysis of Battery Energy Storage for Grid-Connected Wind-PV Hybrid System

2015 ◽  
Vol 2015 ◽  
pp. 1-16 ◽  
Author(s):  
Hina Fathima ◽  
K. Palanisamy
Keyword(s):  
Energy Storage ◽  
Integrated System ◽  
Photovoltaic System ◽  
Battery Management ◽  
Peak Shaving ◽  
Battery Energy Storage ◽  
Technoeconomic Analysis ◽  
Energy Applications ◽  
Battery Energy ◽  
The Cost

Energy storages are emerging as a predominant sector for renewable energy applications. This paper focuses on a feasibility study to integrate battery energy storage with a hybrid wind-solar grid-connected power system to effectively dispatch wind power by incorporating peak shaving and ramp rate limiting. The sizing methodology is optimized using bat optimization algorithm to minimize the cost of investment and losses incurred by the system in form of load shedding and wind curtailment. The integrated system is then tested with an efficient battery management strategy which prevents overcharging/discharging of the battery. In the study, five major types of battery systems are considered and analyzed. They are evaluated and compared based on technoeconomic and environmental metrics as per Indian power market scenario. Technoeconomic analysis of the battery is validated by simulations, on a proposed wind-photovoltaic system in a wind site in Southern India. Environmental analysis is performed by evaluating the avoided cost of emissions.

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