Battery management fuzzy control for a grid- tied microgrid with renewable generation

Abstract

A fuzzy logic controller design for the battery management of a grid-tied real domestic microgrid including 6 kWp of PV and 6kW wind power renewable generators is presented. The fuzzy controller parameters design is undertaken on the basis of the minimization of a set of quality indices such as the battery dynamic range and the power variation range exchanged with the grid. The features of the proposed approach are highlighted with yearly real data by numerical simulations of the power profile injected into the grid and the battery state of charge.

Coordinated control for voltage regulation of distribution network voltage regulation by distributed energy storage systems

“…Obtain the Jacobian matrix of the distribution system and calculate the inverse matrix of Jacobian matrix. (2) When the DESS x act, ΔV i − x can be obtained according to the formula (15). When the DESS y acts, ΔV i − y can be obtained according to the formula (15).…”

“…(2) When the DESS x act, ΔV i − x can be obtained according to the formula (15). When the DESS y acts, ΔV i − y can be obtained according to the formula (15). Compare ΔV i − x and ΔV i − y , if ΔV i − x is larger, node i belongs to the area of DESS x, where x and y are the mark number of DESSs.…”

“…DESS can regulates voltage by a variety of ways, such as absorption or generation of active power, absorption or generation of reactive power, combination of active power and reactive power [15][16][17].…”

Implementation and Control of a Residential Electrothermal Microgrid Based on Renewable Energies, a Hybrid Storage System and Demand Side Management

“…In order to do so, a weighed share-out of the net power is carried out between the grid and the batteries, using coefficients depending on the SOC of the batteries. This same management philosophy is used in [20], implemented in this case using fuzzy logic. These strategies manage to attenuate power peaks and fluctuations at the point of common couple (PCC), but are still unable to use the full potential of the batteries.…”

“…In this paper, we propose an energy management strategy based on that explained in [19,20] for an electro-thermal microgrid based on renewable generation, hybrid electro-thermal storage system and a controllable water heater whose consumption can be deferred thanks to an attached hot water tank that acts as an energy buffer. The water heater is considered as the best choice to be used as a controllable load because while being a high power device, it can consume whichever power from zero to its rated power with a rapid response.…”