Platform for Microgrid Design and Operation

Abstract

This paper describes the development and requirement specification of a platform for design and operation of microgrids. The goal is to have a flexible platform based on open standards that can be used to efficiently solve current and future engineering problems for distributed energy sources and storage systems. By basing it on a unified architecture, collaboration and efficient work flows are enabled. In this work we investigate the requirements on the model and on the tool side. We also demonstrate how an energy storage system can be designed to reduce the maximum peak power and how it can be operated in the most economic efficient way, taking into consideration constraints and limitations of the system. This work is based on Modelon's web-based modeling and simulation platform and its Modelica library Microgrid.

An overview of grid-edge control with the digital transformation

“…Consensus algorithms have been widely used as a basis for distributed control. In this concept, each DER system communicates and shares its local information as the variable of interest with adjacent ones using a distributed procedure [36]. The objective function of the consensus algorithm is to converge all DERs to a common agreement after an iterative process.…”

“…design, due to ease of implementation, low cost and safety reasons, using simulation software. Several common simulation software applications include MATLAB/Simulink, PSCAD, GAMS and HOMER [36]. Subsequently, the second approach is used in the next stages, e.g.…”

Micro-grid Design and Cost Optimization using Modelica

“…The unit converts wood chips to synthetic gas ("syngas"), which is then cooled, filtered, and mixed with air before being supplied to an internal combustion engine. The engine is coupled to an electric generator to produce ~40 kWe, as well as ~100 kWth as warm water (Volter, 2019). (Volter, 2019) Biomass can be viewed as carbon neutral, in that the CO2 the biomass removes from its environment during growth is equal to the CO2 released during its combustion, resulting in 'net-zero' carbon emissions; however, because carbon storage in wood products only occurs gradually over a long period of time, compared with the rapid release of CO2 that occurs when these feedstocks are processed, the environmental benefits of this approach are still the subject of much debate (Harvey, 2018).…”