scholarly journals Smart Energy Systems: Guidelines for Modelling and Optimizing a Fleet of Units of Different Configurations

Energies ◽  
2019 ◽  
Vol 12 (7) ◽  
pp. 1320 ◽  
Author(s):  
Sergio Rech
Keyword(s):  
Energy Conversion ◽  
Fossil Fuels ◽  
Smart Energy Systems ◽  
Different Types ◽  
Energy Conversion And Storage ◽  
Polluting Emissions ◽  
High Level ◽  
Operational Constraints ◽  
And Storage ◽  
Storage Units

The need to reduce fossil fuels consumption and polluting emissions pushes towards the search of systems that combine traditional and renewable energy conversion units efficiently. The design and management of such systems are not easy tasks because of the high level of integration between energy conversion units of different types and the need of storage units to match the availability of renewables with users’ requirements properly. This paper summarizes the basic theoretical and practical concepts that are required to simulate and optimize the design and operation of fleet of energy units of different configurations. In particular, the paper presents variables and equations that are required to simulate the dynamic behavior of the system, the operational constraints that allow each unit to operate correctly, and a suitable objective function based on economic profit. A general Combined Heat-and-Power (CHP) fleet of units is taken as an example to show how to build the dynamic model and formulate the optimization problem. The goal is to provide a “recipe” to choose the number, type, and interconnection of energy conversion and storage units that are able to exploit the available sources to fulfill the users’ demands in an optimal, and therefore “smart”, way.

scholarly journals Next generation of power electronic-converter application for energy-conversion and storage units and systems

Clean Energy ◽  
2019 ◽  
Author(s):  
Kasper Lüthje Jørgensen ◽  
Zhe Zhang ◽  
Michael Ae Andersen
Keyword(s):  
Energy Conversion ◽  
Electronic Systems ◽  
Power Electronic ◽  
Processing Application ◽  
Higher Power ◽  
Energy Conversion And Storage ◽  
Power Point ◽  
And Storage ◽  
Storage Units ◽  
Partial Power Processing

Abstract By a rearrangement of the traditional supply-converter-load system connection, partial-power-processing-based converters can be used to achieve a reduction in size and cost, increase in system efficiency and lower device power rating. The concept is promising for different applications such as photovoltaic arrays, electric vehicles and electrolysis. For photovoltaic applications, it can drive each cell in the array to its maximum power point with a relatively smaller converter; for electric-vehicle applications, both an onboard charger with reduced weight and improved efficiency as well as a fast charger station handling higher power can be considered. By showing different examples of partial-power-processing application for energy-conversion and storage units and systems, this paper discusses key limitations of partial-power-processing and related improvements from different perspectives to show the potential in future power electronic systems.

scholarly journals Energy Conversion and Storage in Solid-state Photogalvanic Cells

1981 ◽  
Vol 54 (6) ◽  
pp. 1640-1644 ◽  
Author(s):  
Hiroshi Hada ◽  
Kazuchiyo Takaoka ◽  
Masahiko Saikawa ◽  
Yoshiro Yonezawa
Keyword(s):  
Solid State ◽  
Energy Conversion ◽  
Energy Conversion And Storage ◽  
And Storage

Smart fibers for energy conversion and storage

2021 ◽  
Author(s):  
Wujun Ma ◽  
Yang Zhang ◽  
Shaowu Pan ◽  
Yanhua Cheng ◽  
Ziyu Shao ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Conversion ◽  
Energy Conversion And Storage ◽  
And Storage

This review summarizes the achievements of fiber-shaped nanogenerators, solar cells, supercapacitors and batteries.

Recent advances in the rational design of 2D MXenes in energy conversion and storage systems

2021 ◽  
Author(s):  
Nayab Sheikh ◽  
Muhammad Bilal Tahir ◽  
Nisar Fatima ◽  
Muhammad Sagir ◽  
Muhammad Pervaiz ◽  
...  
Keyword(s):  
Energy Conversion ◽  
Rational Design ◽  
Storage Systems ◽  
Recent Advances ◽  
Energy Conversion And Storage ◽  
And Storage

Emerging Technologies for Green Energy Conversion and Storage

2021 ◽  
Vol 5 (3) ◽  
pp. 2000152
Author(s):  
Qian Zhang ◽  
Lakshmi Suresh ◽  
Qijie Liang ◽  
Yaoxin Zhang ◽  
Lin Yang ◽  
...  
Keyword(s):  
Energy Conversion ◽  
Emerging Technologies ◽  
Green Energy ◽  
Energy Conversion And Storage ◽  
And Storage

scholarly journals Controllable synthesis of self-templated hierarchical Ni3S2@N-doped carbon for enhanced oxygen evolution reaction

2021 ◽  
Author(s):  
Shuai Wang ◽  
Zheng Lu ◽  
Yuan Fang ◽  
Tian Zheng ◽  
Zidong Zhang ◽  
...  
Keyword(s):  
Energy Conversion ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Controllable Synthesis ◽  
Ni Foam ◽  
Energy Conversion And Storage ◽  
Construction Of Self ◽  
Rational Construction ◽  
And Storage ◽  
Supporting Electrode

Rational construction of self-supporting electrode has been extensively investigated in energy conversion and storage. Herein, hierarchical N-doped carbon encapsulated Ni3S2 grown on 3D porous Ni foam (H-Ni3S2@NC/NF) is controllably synthesized...

Controllable Synthesis of Ultrathin Layered Transition Metallic Hydroxide/Zeolitic Imidazolate Framework-67 Hybrid Nanosheets for High-Performance Supercapacitors

2021 ◽  
Author(s):  
Chunli Liu ◽  
Yang Bai ◽  
Ji Wang ◽  
Ziming Qiu ◽  
Huan Pang
Keyword(s):  
Charge Transfer ◽  
Energy Conversion ◽  
High Performance ◽  
2D Materials ◽  
Two Dimensional ◽  
Controllable Synthesis ◽  
Zeolitic Imidazolate Framework ◽  
Fast Charge ◽  
Energy Conversion And Storage ◽  
And Storage

Two-dimensional (2D) materials with structures having diverse features are promising for application in energy conversion and storage. A stronger layered orientation can guarantee fast charge transfer along the 2D planes...

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