Ultracapacitor-Battery Hybrid Energy Storage System Based on the Asymmetric Bidirectional &lt;italic&gt;Z &lt;/italic&gt;-Source Topology for EV

Hu, Sideng; Liang, Zipeng; He, Xiangning

doi:10.1109/tpel.2015.2493528

Cited by 78 publications

(31 citation statements)

References 23 publications

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“…This way is known as "Fully Active Topology" [12] of the HRES, which offers better power management than other alternatives. However, in this case, the interaction between different modules of the HRES system may increase the complexity of its parameterization and decrease the stability of the entire system [21]. Figure 2 shows the configuration of the HRES in detail.…”

Section: Hres Modelmentioning

confidence: 99%

Control and Restrictions of a Hybrid Renewable Energy System Connected to the Grid: A Battery and Supercapacitor Storage Case

et al. 2019

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This paper studies a Hybrid Renewable Energy System (HRES) as a reliable source of the power supply in the case of the connection to the grid. The grid connection imposes restrictions to the power delivered and harmonic content on the HRES. This causes the HRES to use multiple control systems and subsystems, as the normalization of the measurements, the current control, active harmonic compensation, synchronization, etc., described in this paper. Particular attention was paid to interactions in the storage system of the HRES. The durability of the HRES can be increased by the combination of the supercapacitors and batteries. This requires a power management solution for controlling the energy storage system. The aim of the supercapacitors is to absorb/inject the high-frequency fluctuations of the power and to smooth out the power of the batteries system of the HRES. This can be possible owing to the use of a low-pass second order filter, explained in this paper, which separates the high-frequency component of the storage system reference for the supercapacitor from the low-frequency component for the batteries system. This solution greatly increases the reliability and durability of the HRES.

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Section: Hres Modelmentioning

confidence: 99%

Control and Restrictions of a Hybrid Renewable Energy System Connected to the Grid: A Battery and Supercapacitor Storage Case

et al. 2019

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“…There are several possibilities for the HESS topology: the simplest solution is to connect the batteries and the ultracapacitors in parallel, but its main drawback is the poor use of the energy stored in the ultracapacitors, owing to the low-rated value of the battery voltage. The performance of a HESS is normally improved by means of power electronic converters, as these decouple the operation of each storage element [21]. Figure 2 shows the detailed configuration of the proposed HESS for each one of the CPV trackers of the PV plant.…”

Section: Configuration Of the Cpv Plant With A Hybrid Energy Storage mentioning

confidence: 99%

“…The transfer function of this regulator R i g (s) is designed according to Equation (21) and can be written for d and q components as follows:…”

Section: Control System Of the Voltage Of The Dc-link And The Grid-comentioning

confidence: 99%

Control Scheme of a Concentration Photovoltaic Plant with a Hybrid Energy Storage System Connected to the Grid

Roncero‐Sánchez

Torres²,

Vázquez

2018

Energies

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Abstract:In the last few decades, renewable energy sources (RESs) have been integrated into the electrical grid in order to curb the deficiency of energy owing to, among other factors, the depletion of fossil fuels and the increasing awareness of climate change. However, the stochastic nature of these sources, along with changes in levels of energy consumption, signifies that attention now needs to be paid for energy storage systems (ESSs). One of the most promising RESs is concentration photovoltaic (CPV) energy, owing to the high efficiency obtained and its sustainability regarding environmental issues. However, as CPV systems work only with direct solar radiation, they require ESSs in order to smooth the variations in the energy generated. This paper deals with the integration into the grid of a CPV plant that employs a hybrid ESS (HESS) based on ultracapacitors and batteries. The HESS allows the complete system to inject a constant active power level into the grid and thus flatten the profile of the energy generated. This goal is achieved by using a power electronic topology based on various DC-DC converters and a DC-AC converter, both of which share the same DC link. The control system is tailored in order to decouple the active-power and the reactive-power injections. Simulation results obtained using PSCAD/EMTDC (Power System Computer Aided Design/Electromagnetic Transient Direct Current) show the resulting performance of a 200 kW CPV plant with a hybrid ESS.

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“…The BDC used as important in electric vehicle application [11]- [14]. The works of this converter as both buck and boost operation.…”

Section: Introductionmentioning

confidence: 99%

Voltage Regulation in BDC Based on Fuzzy Logic Controller using Solar Power Generation

Balaji,

Vidhyalakshmi

2019

IJEAT

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The PhotoVoltaic (PV) based grid system coupled with Bidirectional DC-DC Converter (BDC) utilize Fuzzy Logic Controller (FLC) for increasing voltage gain and reduce the settling time of DC link voltage than conventional is presented. BDC satisfied the load requirements, and control the power flow from different sources such as PV, grid, and battery. However, problems in conventional system are high Total Harmonic Distortion (THD), DC link voltage gain and settling time of capacitor voltage. The generated power is used for improving the power quality at the output of the inverter using Sliding Mode Controller (SMC). The converter and inverter operate has bidirectional performance and utilize the hybrid power generation as mentioned. The battery can act as a load based on operating modes of BDC and power generation. It provides a comparative analysis of Proportional Integral (PI) and FLC method that is effectively performs harmonic reduction in BDC.

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Ultracapacitor-Battery Hybrid Energy Storage System Based on the Asymmetric Bidirectional <italic>Z </italic>-Source Topology for EV

Cited by 78 publications

References 23 publications

Control and Restrictions of a Hybrid Renewable Energy System Connected to the Grid: A Battery and Supercapacitor Storage Case

Control and Restrictions of a Hybrid Renewable Energy System Connected to the Grid: A Battery and Supercapacitor Storage Case

Control Scheme of a Concentration Photovoltaic Plant with a Hybrid Energy Storage System Connected to the Grid

Voltage Regulation in BDC Based on Fuzzy Logic Controller using Solar Power Generation

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