Design eines Photovoltaik-Energiespeicher-Mikronetzsystems

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Why is energy storage needed in PV based microgrids?

Energy storage is needed in PV based microgrids to cater to the supply and demand variability. Batteries, hydrogen storage, pumped-hydro, flywheel, compressed air storage, supercapacitor, and superconducting magnetic energy storage (SMES) are storage options proposed for microgrids , , , , , , , , , , .

What is a grid connected PV plant with battery energy storage (BES)?

This paper presents a technical and economic model for the design of a grid connected PV plant with battery energy storage (BES) system, in which the electricity demand is satisfied through the PV–BES system and the national grid, as the backup source.

How can a microgrid improve the reliability of solar PV?

In order to overcome the problems associated with the intermittency of solar PV and enhance the reliability, energy storage systems like batteries and/or backup systems like diesel generators are commonly included in the microgrids [11, 12].

What is a technical assessment for a solar PV-based microgrid?

Technical assessment is based on the nature of the energy sources and the load of the microgrid. For a solar PV-based microgrid, the main technical aspects that are necessary to be considered include rating of PV modules, tilt angle, fill factor, MPPT, PV efficiency, and efficiencies of the power electronic converters.

How does a PV-BES system supply energy?

The energy demand is supplied by both the PV–BES system and the grid, used as a back-up source. The proposed model is based on a power flow control algorithm oriented to meet the energy load profile with PV–BES system firstly.

What is PV-BES system design & management strategy?

The aim is to present the PV–BES system design and management strategy and to discuss the analytical model to determine the PV system rated power and the BES system capacity able to minimize the Levelized Cost of the Electricity (LCOE).