Operation Loss Minimization Targeted Distributed Optimal Control of DC Microgrids

Fan, Zhen; Fan, Bo; Peng, Jiangkai; Liu, Wenxin

doi:10.1109/jsyst.2020.3035059

Cited by 45 publications

(24 citation statements)

References 41 publications

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“…The use of the Lyapunov method to guarantee the stability of a microgrid controller can be found in control systems such as in refs. [7, 8]. Similarly, in ref.…”

Section: Introductionmentioning

confidence: 77%

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Real‐time resilient microgrid power management based on multi‐agent systems with price forecast

2022

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Microgrids have emerged to diversify conventional electric generation using small-scale distributed generation. Large efforts have been put into designing control strategies to optimise the power schedules of microgrids, however, verification that such control systems also are reliable in terms of stability during normal operation and fault conditions is needed. This study presents a hierarchical distributed control system that fulfils these conditions for an AC microgrid. The stability maintained by proposed controller, considering the large signal model, is analysed with the use of Lyapunov's direct method. Resilient control distribution is achieved by the implementation of suitable forecast models and fault-tolerance mechanisms to avoid single points of failure. The resilience of the control system is verified with the use of graph theory. The stable and resilient operation of the proposed control system is tested by a real-time microgrid model implemented with an OPAL-RT real-time simulator, combined with a communication network built with Raspberry Pis, testing the control system presented under normal and faulty conditions. Simulation results show a stable operation in terms of voltage and frequency in both conditions, resilient operation is shown for the faulty condition case. Additionally, cost minimisation performance is included to validate optimal power management capabilities.

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“…The use of the Lyapunov method to guarantee the stability of a microgrid controller can be found in control systems such as in refs. [7, 8]. Similarly, in ref.…”

Section: Introductionmentioning

confidence: 77%

“…For the MAS application, the GA implements either Equation (6) or Equation (8) for the price forecast, as π = F(t), which is then sent to the corresponding DER or ESS agent to generate the power references for the primary control.…”

Section: Narnetmentioning

confidence: 99%

Real‐time resilient microgrid power management based on multi‐agent systems with price forecast

2022

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“…Conventional energy sources also cause the emission of greenhouse gases, resulting in climate change and global warming. Due to these facts, researchers and environmental experts consider fossil fuels the most significant factor in environmental and atmospheric damage [ 3 ]. Consequently, scientists are striving to change the current power generation systems that rely on conventional energy sources to green microgrids based on clean sources.…”

Section: Introductionmentioning

confidence: 99%

The role of biofuels for sustainable MicrogridsF: A path towards carbon neutrality and the green economy

Kiehbadroudinezhad¹,

Merabet²,

Ghenaï³

et al. 2023

Heliyon

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“…1 The traditional power system is becoming complex and prone to reliability and stability concerns because of the expanding penetration of RERs-based power plants. 2 The development of grid networks, degradation in the primary energy resource generation, and the usage of conventional electrical networks make the reliability of the system less. 3 As a result, to overcome this and make the system more reliable, grid-connected photovoltaic (PV) systems are developed.…”

Section: Introductionmentioning

confidence: 99%

A double boost 9‐level switched capacitor‐based multilevel inverter for photovoltaic applications

Agarwal

Gupta

Singh

2023

Circuit Theory & Apps

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Summary A self‐balancing 9‐level inverter is proposed in this paper. To generate a 9‐level voltage with a gain of two requires a single DC source, eight power switches, three capacitors, and two diodes. Without additional circuitry, the voltages of the capacitors in the proposed topology can achieve inherent balance. The peak‐inverse‐voltage (PIV) of six power switches equals or less than the source voltage, and the other two are twice. As power switches are complementary, the proposed topology requires fewer gate drivers. Furthermore, the self‐balancing capability of capacitors' voltage helps in simple control complexity. The description of topology, mode of operation, modulation strategy, and design of the capacitor of proposed topology are presented. The advantages of the proposed inverter are examined by comparing it with switched capacitor multilevel inverters (MLIs). Finally, a 9‐level prototype is built to verify the theoretical analysis and the practical efficacy of the proposed inverter.

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Operation Loss Minimization Targeted Distributed Optimal Control of DC Microgrids

Cited by 45 publications

References 41 publications

Real‐time resilient microgrid power management based on multi‐agent systems with price forecast

Real‐time resilient microgrid power management based on multi‐agent systems with price forecast

The role of biofuels for sustainable MicrogridsF: A path towards carbon neutrality and the green economy

A double boost 9‐level switched capacitor‐based multilevel inverter for photovoltaic applications

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