An advanced protection scheme for medium-voltage distribution networks containing low-voltage microgrids with high penetration of photovoltaic systems

Hoang, Tran The; Tran, Quoc Tuan; Bésanger, Yvon

doi:10.1016/j.ijepes.2022.107988

Cited by 11 publications

(2 citation statements)

References 42 publications

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“…The voltages in both cases are still satisfied with the requirement. With the given value of fault impedance, the voltage does not drop much [18], around 0.83 pu, as shown in Figure 8. As a result, we do not see a significant contribution of SC for voltage support here.…”

Section: Three Phase Short Circuit Faultmentioning

confidence: 81%

Distributed Secondary Control in Microgrids Using Synchronous Condenser for Voltage and Frequency Support

et al. 2022

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A high share of distributed energy resources (DERs) in power distribution grids has posed many challenges for system operation and control. Microgrid (MG) application with different distributed control approaches for DERs has been drawn a lot of attention from the research community to provide more flexibility, reliability and resilience for the system. This paper develops a distributed secondary control for DERs in MGs and on top of that using synchronous condenser (SC) participating in the secondary control for voltage support. The proposed distributed secondary control framework of MGs is designed to obtain four objectives as follows: (i) frequency restoration, (ii) average voltage restoration, (iii) arbitrary active power sharing among SGs and BESSs and (iv) arbitrary reactive power sharing among all SGs, BESSs and SCs. The comparison results under different scenarios show that with SC participating in the distributed secondary control in MGs, the system frequency and voltage response are much improved and quickly recovered to the nominal values thanks to the natural inertia response and fast reactive power control of SC sharing with other DERs in the MGs. Additionally, a multi-agent system is implemented to realize the proposed control method in hardware environment.

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Section: Three Phase Short Circuit Faultmentioning

confidence: 81%

Distributed Secondary Control in Microgrids Using Synchronous Condenser for Voltage and Frequency Support

et al. 2022

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“…The author of [24] aimed to develop an advanced, adaptive protection scheme that can provide protection for both medium-and low-voltage networks when DGs are penetrated. The recloser-fuse coordination was also proposed in [25] with a dual-setting, directional recloser.…”

Section: Literature Surveymentioning

confidence: 99%

Control Strategy for Line Overload and Short Circuit Current of Networked Distribution Systems

et al. 2022

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The expected increase in renewable energy sources (RESs) and electric vehicles (EVs) connected to distribution systems will result in many technical constraints. A meshed network is a promising solution; however, some remarkable challenges must be overcome. Among these, this paper mainly focuses on the line overload and short circuit current of a networked distribution system (NDS) in Korea, an advanced form of meshed network. An NDS refers to a system in which there exists permanent linkages between four feeders and N × N communication-based protection. We propose a method, which employs the tap changing control algorithm of the series reactor to control line overload and short circuit current. MATLAB/Simulink was used to evaluate the proposed method. Three different types of distribution system were employed. First, the utilization rate and feeder imbalance were analyzed in steady-state condition. Subsequently, the short circuit current was analyzed in short circuit condition. The results revealed that the proposed method can effectively prevent line overload in up to 82.7% of cases, enhance the utilization rate by up to 79.9%, and relieve the short circuit current; that is, it can contribute to system stability and the economic operation of an NDS.

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A critical assessment of islanding detection methods of solar photovoltaic systems

Abo-Khalil,

Abdalla,

Bansal

et al. 2023

Case Studies in Thermal Engineering

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An advanced protection scheme for medium-voltage distribution networks containing low-voltage microgrids with high penetration of photovoltaic systems

Cited by 11 publications

References 42 publications

Distributed Secondary Control in Microgrids Using Synchronous Condenser for Voltage and Frequency Support

Distributed Secondary Control in Microgrids Using Synchronous Condenser for Voltage and Frequency Support

Control Strategy for Line Overload and Short Circuit Current of Networked Distribution Systems

A critical assessment of islanding detection methods of solar photovoltaic systems

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