Control of Cascaded DC-DC Converter Based Hybrid Battery Energy Storage Systems: Part – I: Stability Issue

Mukherjee, Nilanjan; Strickland, Dani

doi:10.1109/tie.2015.2509911

Cited by 53 publications

(37 citation statements)

References 29 publications

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“…So, to maximize the available energy capacity of the association, power balancing control mechanisms should be included. This aspect is addressed in [53]. The authors proposes a control structure for the modules in cascade in which each one is controlled through two control loops.…”

Section: F Discussion On Flexibilitymentioning

confidence: 99%

A Comparison of Power Conversion Systems for Modular Battery-Based Energy Storage Systems

et al. 2020

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A modular battery-based energy storage system is composed by several battery packs distributed among different modules or parts of a power conversion system (PCS). The design of such PCS can be diverse attending to different criteria such as reliability, efficiency, fault tolerance, compactness and flexibility. The present paper proposes a quantitative and qualitative comparison among the most widely proposed PCSs for modular battery-based energy storage systems in literature. The obtained results confirm the high performance of those PCSs based on the parallel connection of different modules to a single point of common coupling, also identifying those based on modular multilevel cascaded converters as promising concepts according to the assumptions of the present paper. INDEX TERMS Hybrid energy storage systems, batteries, power electronics.

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Section: F Discussion On Flexibilitymentioning

confidence: 99%

A Comparison of Power Conversion Systems for Modular Battery-Based Energy Storage Systems

et al. 2020

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“…University of Birmingham and Sheffield University researched discussed the stability of the hybrid battery system. They analysed the stability issue and the limitations of the conventional approach [13]. They also proposed a control method based on Lyapunov functions for stability of the system [14].…”

Section: The Institute Of Electrical Engineering Of Chinese Academy Omentioning

confidence: 99%

Impedance Analysis of Battery Bidirectional DC-DC Converter

Liu

2020

IEEE Access

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When a converter is composed of cascaded system with another unknown converter, the optimal design of the converter is especially important owing to stability of the cascaded systems. Battery 's model is introduced to analysis. Battery converter's different work conditions are considered. Battery converter is the front stage when it discharges, and it is the rear one when it charges in a cascade DC system. From the view of impedance, it's good for the cascaded system stability to reduce output impedance of battery converter when the converter is the first stage. Another, increasing the converter's input impedance could improve the cascade system stability when the converter becomes the rear one. The battery equivalent circuit model is introduced as a key component of system. Battery bidirectional converter should act as the front or rear stage of cascaded system. Selection rules of LC filter are put forward according to analyzing the inductor and capacitor's effects on two conditions. The PI controller parameters' effects on impedance are analyzed to furnish the basis for the PI controller parameters selection. Finally, experiment is carried out to verify the correctness of the analyses. INDEX TERMS Battery equivalent model, bidirectional DC-DC converter, cascade system, impedance analysis, small-signal model.

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“…To implement this sharing, desired module voltage or current parameter/reference of the individual module control loop is dynamically varied according to the corresponding battery parameters such as, state-of-charge/capacity to regulate the module voltage and current according to weighting function. As H a result of this control the operating point and the designed stability margin of the conventional PI-controller may vary in wide range which can hamper the stability of the overall converter as reported in [9]. To cater issue, this paper concentrates on more stable method based on Lyapunonv function which helps to maintain the global asymptotic stability at the module level and the system level.…”

Section: Index Terms-cascadedmentioning

confidence: 99%

Control of Cascaded DC–DC Converter-Based Hybrid Battery Energy Storage Systems—Part II: Lyapunov Approach

Mukherjee

Strickland

2016

IEEE Trans. Ind. Electron.

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Control of Cascaded DC-DC Converter Based Hybrid Battery Energy Storage Systems: Part – I: Stability Issue

Cited by 53 publications

References 29 publications

A Comparison of Power Conversion Systems for Modular Battery-Based Energy Storage Systems

A Comparison of Power Conversion Systems for Modular Battery-Based Energy Storage Systems

Impedance Analysis of Battery Bidirectional DC-DC Converter

Control of Cascaded DC–DC Converter-Based Hybrid Battery Energy Storage Systems—Part II: Lyapunov Approach

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