scholarly journals The Role of Middleware in Distributed Energy Systems Integrated in the Smart Grid

Author(s):  
Jesús Rodríguez-Molina
2019 ◽  
Vol 159 ◽  
pp. 286-291 ◽  
Author(s):  
Salil Puri ◽  
A.T.D. Perera ◽  
Dasaraden Mauree ◽  
Silvia Coccolo ◽  
Louis Delannoy ◽  
...  

2011 ◽  
pp. 998-1003
Author(s):  
D. Vinnikov ◽  
A. Andrijanovitš ◽  
I. Roasto ◽  
T. Lehtla

Author(s):  
Cherrelle Eid ◽  
Rudi Hakvoort ◽  
Martin de Jong

The global transition towards sustainable, secure, and affordable electricity supply is driving changes in the consumption, production, and transportation of electricity. This chapter provides an overview of three main causes of political–economic tensions with smart grids in the United States, Europe, and China, namely industry structure, regulatory models, and the impact of energy policy. In all cases, the developments are motivated by the possible improvements in reliability and affordability yielded by smart grids, while sustainability of the electricity sector is not a central motivation. A holistic smart grid vision would open up possibilities for better integration of distributed energy resources. The authors recommend that smart grid investments should remain outside of the regulatory framework for utilities and distribution service operators in order to allow for such developments.


Author(s):  
Jessica Jewell ◽  
Elina Brutschin

Energy security has long been a main driver of energy policies, but its meaning has been contested by policy makers and scholars. The concept incorporates both material and intersubjective aspects, finding different expressions in different contexts and attracting the interest of diverse social actors and academic communities. This chapter identifies, compares, and contrasts five major approaches for analyzing energy security rooted in different scholarly traditions. It argues that in order to facilitate a dialogue among these approaches as well as policy comparison and learning, it is useful to conceptualize energy security as “low vulnerability of vital energy systems.” This definition opens avenues for productive research, unpacking the interplay between material and intersubjective aspects of “vulnerability” and “vitality” of energy systems. Future research should investigate the role of material factors alongside power, values, and trust in defining energy security; explain the gap between energy securitization and action; and explore the interaction between energy security and other energy policy goals.


2021 ◽  
Vol 301 ◽  
pp. 117324
Author(s):  
Andrea Bartolini ◽  
Stefano Mazzoni ◽  
Gabriele Comodi ◽  
Alessandro Romagnoli

Energies ◽  
2021 ◽  
Vol 14 (3) ◽  
pp. 600
Author(s):  
Bin Ouyang ◽  
Lu Qu ◽  
Qiyang Liu ◽  
Baoye Tian ◽  
Zhichang Yuan ◽  
...  

Due to the coupling of different energy systems, optimization of different energy complementarities, and the realization of the highest overall energy utilization rate and environmental friendliness of the energy system, distributed energy system has become an important way to build a clean and low-carbon energy system. However, the complex topological structure of the system and too many coupling devices bring more uncertain factors to the system which the calculation of the interval power flow of distributed energy system becomes the key problem to be solved urgently. Affine power flow calculation is considered as an important solution to solve uncertain steady power flow problems. In this paper, the distributed energy system coupled with cold, heat, and electricity is taken as the research object, the influence of different uncertain factors such as photovoltaic and wind power output is comprehensively considered, and affine algorithm is adopted to calculate the system power flow of the distributed energy system under high and low load conditions. The results show that the system has larger operating space, more stable bus voltage and more flexible pipeline flow under low load condition than under high load condition. The calculation results of the interval power flow of distributed energy systems can provide theoretical basis and data support for the stability analysis and optimal operation of distributed energy systems.


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