In order to develop a sustainable datacenter, which would help to validate energy management and task scheduling algorithms, a low voltage direct current (LVDC) microgrid (MG) has been deployed in the ADREAM Building-Integrated Photovoltaic (BIPV) of the LAAS-CNRS in Toulouse, France. This MG is composed of a 1 kWp PV source, 300 Ah – 36 V lead-acid batteries, 330 F – 48 V supercapacitor (SC) p...

In this paper, a grid interface current control strategy is presented for DC microgrid, which aims to reduce the disturbance from PV generation and load variation main without converter. The directly controlled by battery DC-DC converter within microgrid. Based on comprehensive analysis of control, system has been mathematically modelled. This enabled two transfer functions be derived that refl...

Abstract To solve the problem that output voltage of Buck converter is easily affected by change system parameters, which reduces energy transmission quality, a linear active disturbance rejection control strategy proposed in this paper. Firstly, discrete mathematical model established to analyze Hopf bifurcation cause low-frequency oscillation voltage, and existence verified simulation. Second...

This paper proposes a novel extended-single-phase shift (ESPS) control strategy of isolated bidirectional full-bridge DC-DC converters (IBDCs) which are a promising alternative as a power electronic interface in microgrids with an additional function of galvanic isolation. Based on the mathematical models of ESPS control under steady-state conditions, detailed theoretical and experimental analy...

Ultracapacitors (UCs), with their features of high power density and high current charge-discharge, have become the best choice for dynamic power compensation to improve the stability of microgrids and are increasingly being applied in microgrids. This paper presents the control of an energy storage system (ESS) based on ultracapacitors in the context of grid-connected microgrids. The ESS is co...

In a DC microgrid (DC-MG), the dc bus voltage is vulnerable to power fluctuation derived from the intermittent distributed energy or local loads variation. In this paper, a virtual inertia control strategy for DC-MG through bidirectional grid-connected converters (BGCs) analogized with virtual synchronous machine (VSM) is proposed to enhance the inertia of the DC-MG, and to restrain the dc bus ...

Direct current (DC) microgrid consists of many parallel power converters that share load currents through the inductance DC/DC converters. Usually, parameters are dependent on physical implementation system, and their values may not match nameplates. Such disparities could lead to unequal response characteristics which can potentially reduce performances DC operation. This paper proposes a robu...

Although a switched reluctance generator (SRG) is not the mainstream wind generator, it possesses application potential and worth developing for its many structural merits high developed power ability. This paper presents SRG-based bipolar DC microgrid having grid-connected plug-in energy supporting functions. First, surface-mounted permanent magnet synchronous motor (SPMSM)-driven turbine emul...