Transmission Loss Optimization-Based Optimal Power Flow Strategy by Hierarchical Control for DC Microgrids

Ma, Jing; Yuan, Liqiang; Zhao, Zhengming; He, Fei

doi:10.1109/tpel.2016.2561301

Cited by 102 publications

(64 citation statements)

References 21 publications

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“…According to (1), the control of the line power P ij requires the regulation of V i or V j . However, in traditional power systems, Fig.…”

Section: The Idea and Principle Of Line Power Flow Controlmentioning

confidence: 99%

“…Another important function of C L and C R in the proposed technology is to provide a stable middle voltage. By regulating the middle voltage, the line power can be calculated by (1). As a result, the DC bus at the other side of the line is isolated by DC/DC converter.…”

Section: Circuit Structure Of Dc/dc Converter Formentioning

confidence: 99%

“…V R is used to regulate the line power. According to (1), V R should be larger than V i . Considering the power flow direction, the buck mode should be selected.…”

Section: Back-buck Modementioning

confidence: 99%

“…With the rapid development of renewable energy and power electronics technology, direct current (DC) power systems gradually show great advantages over alternative current (AC) systems on efficiency, flexibility, and compatibility [1][2][3][4][5][6][7]. Some studies show that DC distribution technology can transmit more power but less losses with same lines [8,9] because of the higher voltage/current effective value and the absence of skin effect and reactance.…”

Section: Introductionmentioning

confidence: 99%

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Research on flexible line power control in meshed smart DC distribution systems

Wang

Zheng³

et al. 2018

IEEJ Transactions Elec Engng

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This paper studies flexible line power control in the interior of meshed smart direct current (DC) distribution systems. The idea and principle of bidirectional line power control with a DC/DC converter in series are proposed first. Then the model of the line with the DC/DC converter is established from the view of power system analysis. The operation modes and control framework are analyzed in depth to adapt to the complicated power and voltage uncertainty in DC systems. The effects of the flexible line power control on the whole system are presented in detail. Finally, simulation performed in SIMULINK verifies the effectiveness of proposed flexible line power flow control technology.

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“…According to (1), the control of the line power P ij requires the regulation of V i or V j . However, in traditional power systems, Fig.…”

Section: The Idea and Principle Of Line Power Flow Controlmentioning

confidence: 99%

Section: Circuit Structure Of Dc/dc Converter Formentioning

confidence: 99%

“…V R is used to regulate the line power. According to (1), V R should be larger than V i . Considering the power flow direction, the buck mode should be selected.…”

Section: Back-buck Modementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Research on flexible line power control in meshed smart DC distribution systems

Wang

Zheng³

et al. 2018

IEEJ Transactions Elec Engng

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“…To solve the switching stability problem, a hierarchical control strategy is proposed [40]. Hierarchical control is the most commonly used method in MG and MGC, which is suitable for complex MG and MGC systems [41,42].…”

Section: Introductionmentioning

confidence: 99%

MAS-Based Distributed Coordinated Control and Optimization in Microgrid and Microgrid Clusters: A Comprehensive Overview

Han

Zhang

et al. 2018

IEEE Trans. Power Electron.

366

182

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Abstract-The increasing integration of the distributed renewable energy sources highlights the requirement to design various control strategies for microgrids (MGs) and microgrid clusters (MGCs). The multi-agent system (MAS)-based distributed coordinated control strategies shows the benefits to balance the power and energy, stabilize voltage and frequency, achieve economic and coordinated operation among the MGs and MGCs. However, the complex and diverse combinations of distributed generations in multi-agent system increase the complexity of system control and operation. In order to design the optimized configuration and control strategy using MAS, the topology models and mathematic models such as the graph topology model, non-cooperative game model, the genetic algorithm and particle swarm optimization algorithm are summarized. The merits and drawbacks of these control methods are compared. Moreover, since the consensus is a vital problem in the complex dynamical systems, the distributed MAS-based consensus protocols are systematically reviewed. NOMENCLATURE

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