A control strategy for microgrid inverters based on adaptive three-order sliding mode and optimized droop controls

Liu, Yancheng; Zhang, Qinjin; Wang, Chuan; Ning, Wang

doi:10.1016/j.epsr.2014.08.021

Cited by 33 publications

(15 citation statements)

References 24 publications

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“…In some of the sliding-mode proposing papers, the back-to-back converters are carried out as ideal voltage sources. Nevertheless, previous studies have also not considered the chattering phenomenon of the sliding-mode control [27], which may increase mechanical and thermal stresses in the converters and in the generator [28].…”

Section: Mppt Assessmentmentioning

confidence: 99%

Back-to-back converter state-feedback control of DFIG (doubly-fed induction generator)-based wind turbines

Taveiros

Barros

Costa

2015

Energy

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Section: Mppt Assessmentmentioning

confidence: 99%

Back-to-back converter state-feedback control of DFIG (doubly-fed induction generator)-based wind turbines

Taveiros

Barros

Costa

2015

Energy

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“…The RBF neural network sliding mode distributed controller incorporates the advantages of the sliding mode and neural network into a distributed controller. The target of the controller is converted from error to function of sliding mode [72]. Instead of using the error for the input of the controller, its input is sliding mode function.…”

Section: (Radial Basis Function) Rbf Neural Network Sliding Mode Contmentioning

confidence: 99%

Distributed Control Methods and Impact of Communication Failure in AC Microgrids: A Comparative Review

et al. 2019

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The objectives of this paper are to review and compare the distributed control methods in AC microgrids and also to identify the impact of communication failure on this type of the controller. The current AC microgrids are distinguished from the traditional power system topologies because of the high penetration of advanced control methods, measurements, sensors, power electronic devices, and communication links. Also, because of the increasing integration of renewable energy sources, control strategy for congestion management, frequency control, and optimal dispatch of microgrids has become more complicated. This paper explains the characteristics and features of distributed control systems and discusses the challenges of these approaches. In addition, a comprehensive review of the advantages and disadvantages of these techniques are explained in detail. On the other hand, the possible challenges, related to communication failure, noise, delay, and packet dropout on the operation of the distributed controller are presented, and several techniques, which reduce the impact of communication failure of the distributed controller, are compared. This comprehensive study on distributed control systems reveals the challenges in and future possible studies on this issue.

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“…Tuy nhiên, việc chia tải theo kiểu droop control còn bị ảnh hưởng bởi trở kháng của đường dây, làm cho việc chia dòng không đều giữa các bộ nghịch lưu, đặc biệt là đối với tải phi tuyến thì việc chia dòng hài không đều sẽ làm ảnh hưởng đến tuổi thọ của bộ nghịch lưu. Sự kết hợp của vòng điều khiển SMC sẽ điều chỉnh lại tần số và điện áp của microgrid gần với giá trị tham chiếu [1], [2]. Đã có nhiều nghiên cứu về phương pháp điều khiển này, nhưng mục tiêu chủ yếu là tập trung điều khiển SMC cho dòng điện và điện áp ngõ ra của một bộ nghịch lưu trong microgrid độc lập [3], [4].…”

Section: Trang 41unclassified

A control method for parallel inverters in Microgrid based on sliding mode and droop controls

Nguyen

2016

Sci. Tech. Dev. J.

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Robust control and flexible operation are the major objectives of islanded microgrid. A microgrid can have different configurations with linear loads and nonlinear loads. The harmonic current caused by nonlinear loads make Proportional Integral (PI) or Proportional Integral Derivative (PID) voltage controller far beyond excellent performance in case of microgrid operating in islanded mode. Additionally, the robustness of the PID closed loop system can not be guaranteed. The voltage control by using Proportional resonant (PR) controller are recommended. Although PR controller has the ability to sinusoidal signals. However, PR controller has a slight deviation of the frequency of selected harmonic component. This paper presents a Sliding Mode Control (SMC) for voltage control of parallel inverters operating in islanded microgrid. This controller can enhance the robustness of control system and reduced-state tracking error. The stability of the closed-system is verified by means of Lyapunov stability criterion. The control structure is based on the inner sliding mode closed-loop and the outer droop control loop. The main aim of this paper is to design inner controllers to enhance the dynamics of the microgrid. The results obtained from the simulation of Matlab.

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A control strategy for microgrid inverters based on adaptive three-order sliding mode and optimized droop controls

Cited by 33 publications

References 24 publications

Back-to-back converter state-feedback control of DFIG (doubly-fed induction generator)-based wind turbines

Back-to-back converter state-feedback control of DFIG (doubly-fed induction generator)-based wind turbines

Distributed Control Methods and Impact of Communication Failure in AC Microgrids: A Comparative Review

A control method for parallel inverters in Microgrid based on sliding mode and droop controls

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