DOI: 10.1016/j.est.2023.109082 Corpus ID: 263824575; Efficient power management and control of DC microgrid with supercapacitor-battery storage systems @article{Patel2023EfficientPM, title={Efficient power management and control of DC microgrid with supercapacitor-battery storage systems}, author={Suchismita Patel and Arnab Ghosh and Pravat Kumar Ray}, … - Download [PDF]
DOI: 10.1016/j.est.2023.109082 Corpus ID: 263824575; Efficient power management and control of DC microgrid with supercapacitor-battery storage systems @article{Patel2023EfficientPM, title={Efficient power management and control of DC microgrid with supercapacitor-battery storage systems}, author={Suchismita Patel and Arnab Ghosh and Pravat Kumar Ray}, …
It is imperative to properly control the DC bus voltage and manage power among the sources and loads in order to maintain the stability and reliability of DC microgrids. DC microgrids can be ...
An SOC-based virtual DC machine control for distributed storage systems in DC microgrids. IEEE Trans. Energy Convers., 35 (3) ... Central energy management method for photovoltaic DC micro-grid system based on power tracking control. IET Renew. Power Gener., 11 (8) (Jun 2017), pp. 1138-1147, 10.1049/IET-RPG.2016.0351. View in Scopus Google Scholar
DC microgrids are regarded as a pathway to substantially enhance buildings energy efficiency and improve integration with distributed generation and storage devices. In low power DC power systems ...
Furthermore, unlike conventional AC systems, DC microgrids do not have issues such as synchronization, harmonics, reactive power control, and frequency control.
In this paper, an AC-DC hybrid micro-grid operation topology with distributed new energy and distributed energy storage system access is designed, and on this basis, a …
With the rapid development of power electronics technology, microgrid (MG) concept has been widely accepted in the field of electrical engineering. Due to the advantages of direct current (DC) distribution systems such as reduced losses and easy integration with energy storage resources, DC MGs have drawn increasing attentions nowadays. With the increase of …
Microgrids are categorized into DC microgrids, AC microgrids, and hybrid AC/DC microgrids [10].On the one hand, with the increasing proportion of DC output renewable energy sources such as photovoltaic power generation and DC loads such as energy storage units and electric vehicles in microgrids, DC microgrids have gradually received attention as a …
Control and operation of a dc microgrid, which can be operated at grid connected or island modes, are investigated in this paper. The dc microgrid consists of a wind turbine, a battery …
In this paper, a novel power management strategy (PMS) for power-sharing among battery and supercapacitor (SC) energy storage systems has been proposed and applied to resolve the demand-generation difference and DC bus voltage regulation. The proposed compensation for PI controller managed hybrid energy storage systems (HESSs) provides for …
Direct-current (DC) microgrids have gained worldwide attention in recent decades due to their high system efficiency and simple control. In a self-sufficient energy system, voltage control is an important key to dealing with upcoming challenges of renewable energy integration into DC microgrids, and thus energy storage systems (ESSs) are often employed to …
A unified distributed control strategy for dc microgrid operating modes based on the novel integration of distributed controllers for energy balancing is proposed: 6.2.1 Centralized control and decentralized control. ... the storage-based virtual impedance power compensation method is …
DC microgrid has many technical advantages over AC microgrid, these include easy integration of renewable energy resources, direct connection between the consumer …
The battery-supercapacitor hybrid energy storage system is considered to smooth the power fluctuation. A new model-free control method is utilized in the stand-alone photovoltaic DC-microgrid to ...
In this paper, a novel power management strategy (PMS) for power-sharing among battery and supercapacitor (SC) energy storage systems has been proposed and …
Furthermore, DCMG facilitates interface with main DC sources namely solar PV, fuel cells, and BESS without the need of DC-AC power converters. 29 There are several control strategies of DCMG system like centralized, decentralized, and distributed with hierarchical control. A DC microgrid suitable for sensitive applications requiring higher ...
Introduction. DC microgrids (DCMG) have become extremely prevalent and compatible as the penetration of DC renewable energy resources (RER), load and storage devices grow exponentially due to their impressive functionality, reliability, and performance [1] addition, many power quality problems that are common with AC microgrids, like frequency …
The battery-supercapacitor hybrid energy storage system is considered to smooth the power fluctuation. A new model-free control method is utilized in the stand-alone …
Since the concept of microgrids was proposed [1], distribution DC microgrids have been attracting increasing attention tegrated using various technologies including distributed renewable energy sources (RES), energy storage system (BES), loads, grid-connected voltage source converter (G-VSC), and control devices, and so forth, as shown in Fig. 1, the DC …
Due to the lack of reactive power flow control, the DC microgrid is less complicated. However, harmonic content can be detrimental to the DC link. ... (2019) A review on overall control of DC microgrids. J Energy Storage 21:113–138. Article Google Scholar Altin N, Eyimaya SE (2018) A combined energy management algorithm for wind turbine ...
The AC/DC hybrid microgrid has a large-scale and complex control process. It is of great significance and value to design a reasonable power coordination control strategy to maintain the power balance of the system. Based on hierarchical …
Modern smart grids are replacing conventional power networks with interconnected microgrids with a high penetration rate of storage devices and renewable energy sources. One of the critical aspects of the operation of microgrid power systems is control strategy. Different control strategies have been researched but need further attention to control …
With the traditional droop control strategy, line resistances between DC microgrid energy storage devices and loads will cause unequal power sharing. The proposed control system modifies the output power of the droop controlled storage devices so that they reach a balanced energy level. Once a balanced energy level has been reached, the ...
DC power systems with multiple buses for redundancy are more reliable and provide reconfiguration options, in order to supply power to sensitive load from different DC buses [83].This system is more flexible and provides different voltage levels to the consumer, i.e. three wire system, it can be used for realizing a Multiple-DC-Bus can operate V, V/2 and –V/2.
The AC/DC hybrid microgrid has a large-scale and complex control process. It is of great significance and value to design a reasonable power coordination control strategy to maintain the power balance of the system. Based on hierarchical control, this paper designs a reasonable power coordination control strategy for AC/DC hybrid microgrid. For lower control, this paper …
The control strategy of the proposed configuration is divided into two sections: device-level and system-level controls. At the device-level control, a decentralized MPC strategy containing the PEMFC control unit, the battery control unit, the supercapacitor control unit, and the AC/DC power converter control unit is presented.
In this study, different methods of primary control for current and voltage regulation, secondary control for error-correction in voltage and current, power sharing in a microgrid and microgrid clusters and tertiary control for …
For a microgrid with hybrid energy storage system, unreasonable power distribution, significant voltage deviation and state-of-charge (SOC) violation are major issues. Conventionally, they are achieved by introducing communication into centralized control or distributed control. This paper proposes a decentralized multiple control to enhance the performance of the system. A low …
DC microgrids have become increasingly important in recent years due to the increasing sophistication with which they can integrate various energy storage systems like batteries and supercapacitors, as well as the increasing use of solar photovoltaic (PV) and fuel cell power, among other DC loads [1,2,3,4].The flexibility of DC microgrids to support a variety of DC loads …
An accurate power sharing scheme is proposed in [4] for distributed ESSs in DC microgrid, which achieves SOC balance by improving droop control and introducing virtual power ratings, and maintains the average output voltage of ESSs at the nominal value by a voltage restoring method. However, this scheme is not fully distributed due to the ...
2.3 AC-DC Coupled Microgrid. As depicted in Fig. 4, whereas the DC bus is connected to the DC-generated DGs, and the AC bus is associated to the AC-generated DGs.The two buses are connected by the ILC. ILCs serve as bidirectional power converters, transferring power from an AC side to DC side.
In this paper, an AC-DC hybrid micro-grid operation topology with distributed new energy and distributed energy storage system access is designed, and on this basis, a coordinated control strategy ...
For 5G base stations equipped with multiple energy sources, such as energy storage systems (ESSs) and photovoltaic (PV) power generation, energy management is crucial, directly influencing the operational cost. Hence, aiming at increasing the utilization rate of PV power generation and improving the lifetime of the battery, thereby reducing the operating cost …
This section describes the system topology and modelling of PV power generator, and battery-SC hybrid energy storage medium in detail. 2.1 System Description. The studied PV based DC microgrid with hybrid battery-SC energy storage medium is shown in Fig. 1 this microgrid, PV acts as a main power generator and generates electricity.
This study discusses power distribution and voltage restoring approaches in hierarchy control DC microgrids. As the principal control, inner control loops targeted at …
Main features of control structure of dc microgrids will be explained and categorized. ... and control periodically generated power from distributed generation and are usually integrated with distributed energy storage . Each microgrid consists of different distributed sources of generation, loads and energy storage, which are connected through ...
A unidirectional DC-DC converter with LLC resonance (Inductor-Inductor-Capacitor tank) topology is used to transfer power from different types of renewable energy …