Voltage control for buck converter based MVDC microgrids with interconnection and damping assignment passivity based control

Cupelli, Marco; Bhanderi, Siddharth Kiranbhai; Gurumurthy, Sriram Karthik; Monti, Antonello

doi:10.1109/melcon.2018.8379060

Cited by 6 publications

(3 citation statements)

References 12 publications

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“…Based on its bottom-up modular nature, we see this methodology as a possible solution to the problem of large signal stability analysis in power electronic driven power grids. The PCH methodology also allows a unified approach for modelling and control of power systems starting from the device level control and ending at the market interactions [24]. A drawback observed of this approach is that the dependence of the controller design from the system parameters still exists, especially for * which influences the duty cycle.…”

Section: Discussionmentioning

confidence: 99%

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A Structure Preserving Approach for Control of Future Distribution Grids and Microgrids Guaranteeing Large Signal Stability

Cupelli

Bhanderi

Gurumurthy

et al. 2018

2018 IEEE Conference on Control Technology and Applications (CCTA)

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This paper describes the application of the Port Controlled Hamiltonian Network for Modelling and Control of non-linear power system dynamics. Goal of this work is to propose a methodology for system level design for power electronics driven electrical networks able to guarantee large signal stability. Starting from a model-level modular approach, the system is defined using the interconnection concept. The paper focuses on a DC micro-grid scenario where several converters interact with a lumped load. Contrary to previous work, the load is modelled as a Constant Power Load (CPL) introducing new challenges in terms of system stability.

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Section: Discussionmentioning

confidence: 99%

“…We obtain the equations (24) and (25), which enables to assign the desired damping factor and the desired natural frequency of the closed loop system. An identical procedure can be used for different converter topologies that use algebraic approach.…”

Section: Local Dynamics Assignment -Small Signal and Tuningmentioning

confidence: 99%

A Structure Preserving Approach for Control of Future Distribution Grids and Microgrids Guaranteeing Large Signal Stability

Cupelli

Bhanderi

Gurumurthy

et al. 2018

2018 IEEE Conference on Control Technology and Applications (CCTA)

Self Cite

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“…To overcome this issue, the interconnection and damping assignment PBC (IDA-PBC) has been proposed in [18], which is based on the mathematical model called a port-controlled Hamiltonian system (PCHS). In DC microgrids, the IDA-PBC has been applied to control buck [19], buck-boost [20], boost converters [21] and solid state transformers (SSTs) [22] to mitigate the effect of the constant power load (CPL). However, the information of power in the CPL is required in the control loop.…”

Section: Introductionmentioning

confidence: 99%

Design of Passivity-Based Damping Controller for Suppressing Power Oscillations in DC Microgrids

Jeung

Lee

Dragičević

et al. 2021

IEEE Trans. Power Electron.

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Analysis and Design of DC-Bus Voltage Controller of Energy Storage Systems in DC Microgrids

Jeung

Lee

2019

IEEE Access

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In this paper, a novel voltage controller of energy storage system (ESS) in DC microgrids (DC-MG) is proposed to enhance the DC-bus voltage stability. At first, a mathematical model of the DC-MG is developed in a state-space form. Then, the voltage controller of the ESS is designed by using the methodology of the IDA-PBC (interconnection and damping assignment-passivity-based control) with an integral action. System stability has been analyzed with passivity-based stability criterion (PBSC). The proposed controller gives the robust performance to the parameters variation. The validity of the proposed control scheme has been verified by the hardware-in-the-loop simulation (HILS) results.INDEX TERMS Active damping, DC microgrids, DC-bus voltage stability, ESS, IDA-PBC.

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Voltage control for buck converter based MVDC microgrids with interconnection and damping assignment passivity based control

Cited by 6 publications

References 12 publications

A Structure Preserving Approach for Control of Future Distribution Grids and Microgrids Guaranteeing Large Signal Stability

A Structure Preserving Approach for Control of Future Distribution Grids and Microgrids Guaranteeing Large Signal Stability

Design of Passivity-Based Damping Controller for Suppressing Power Oscillations in DC Microgrids

Analysis and Design of DC-Bus Voltage Controller of Energy Storage Systems in DC Microgrids

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