Research of MMC-UPFC Control Strategy

Zhang, Jianpo; Hu, Ziwei; Cui, Diqong; Zhang, Hongyan

doi:10.1109/isgt-asia.2019.8881656

Cited by 3 publications

(2 citation statements)

References 8 publications

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“…According to the above study, RPFC can realize the function of effective power control at the loop closure point in the case of “petal‐type” distribution network loop operation. The current devices with similar functions include the following three categories: two core phase shifting transformers (TCPSTs) [33], soft open point (SOP) [34], and unified power flow controller (UPFC) [35].…”

Section: Comparison Of Four Types Of Power Controllersmentioning

confidence: 99%

An accurate power control strategy for electromagnetic rotary power controllers

Yan

Shao

Jia

et al. 2023

IET Generation Trans & Dist

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With the rapid development of active distribution networks, the “petal”‐type distribution network has become the mainstream power supply structure. Power control methods for active distribution networks should be further studied to ensure the safe and reliable power supply of a distribution system. An electromagnetic rotary power flow controller (RPFC) is a feasible solution for controlling power in active distribution networks. However, when testing the effectiveness of the PQ decoupled control method for RPFC based on instantaneous reactive power theory, difficulties were encountered with the synchronous control of the rotor position angle of two rotating‐phase transformers, and the accuracy of power control was unsatisfactory. Given this condition, PQ control is improved in three ways. First, the system's periodic oscillation problem is solved via variable speed control. Second, the servo motor‐rotary phase‐shifting transformer synchronous rotation scheme, which reduces power control error and improves stability, is designed. Third, the overshoot phenomenon in power control is improved using the variable‐domain fuzzy proportional‐integral adaptive method. Experimental results show that the proposed advanced control scheme exhibits good dynamic and static performance in power control scenarios and achieves effective improvement in RPFC.

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Section: Comparison Of Four Types Of Power Controllersmentioning

confidence: 99%

An accurate power control strategy for electromagnetic rotary power controllers

Yan

Shao

Jia

et al. 2023

IET Generation Trans & Dist

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“…The input port of the M 3 C is connected to bus 1 to provide shunt FACT capabilities, whereas, the output port is connected to bus 2, and it is controlled as a series FACTS. The control strategy used to enable UPFC capabilities in both ports is presented in Figure 8b, and it is based on [30][31][32][33][34]:…”

Section: Upfc Control Systemmentioning

confidence: 99%

Control of a Modular Multilevel Matrix Converter for Unified Power Flow Controller Applications

et al. 2020

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The modular multilevel matrix converter has been proposed as a suitable option for high power applications such as flexible AC transmission systems. Among flexible AC transmission systems, the unified power flow controller stands out as the most versatile device. However, the application of the modular multilevel matrix converter has not been thoroughly analyzed for unified power flow controller applications due to the sophisticated control systems that are needed when its ports operate at equal frequencies. In this context, this paper presents a cascaded control structure for a modular multilevel matrix converter based unified power flow controller. The control is implemented in a decoupled reference frame, and it features proportional-integral external controllers and internal proportional multi-resonant controllers. Additionally, the input port of the modular multilevel matrix converter is regulated in grid-feeding mode, and the output port is regulated in grid-forming mode to provide power flow compensation. The effectiveness of the proposed vector control system is demonstrated through simulation studies and experimental validation tests conducted with a 27-cell 5 kW prototype.

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Performance Analysis for Control of A Unified Power Flow Controller (UPFC) Using MATLAB Simulink

Suresh Kumar,

Deepak,

Kumar

et al. 2024

E3S Web of Conf.

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The long transmission system is required to transfer generated power to distribution system. Hence, maximum power transfer devices with flexible operation are essential in transmission system. Thus, it is necessary to add Flexible AC Transmission System (FACTS) devices at the proper locations. Unified Power Flow Controller (UPFC) is the best FACTS transmission system device for ensuring adequate power flow between generating and distribution via transmission lines. The UPFC consists of two converters which likely to work as STATCOM and SSSC to make a proper power flow. In this paper modeling and analysis of UPFC is presented under platform of MATLAB/Simulink. Extensive responses are incorporated in results section with proper analysis under various operating conditions.

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Research of MMC-UPFC Control Strategy

Cited by 3 publications

References 8 publications

An accurate power control strategy for electromagnetic rotary power controllers

An accurate power control strategy for electromagnetic rotary power controllers

Control of a Modular Multilevel Matrix Converter for Unified Power Flow Controller Applications

Performance Analysis for Control of A Unified Power Flow Controller (UPFC) Using MATLAB Simulink

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