State-Feedback Control of a Hybrid Distribution Transformer for Power Quality Improvement of a Distribution Grid

Carreno, Alvaro; Pérez, Marcelo A.; Malinowski, Mariusz

doi:10.1109/tie.2023.3262872

Cited by 14 publications

(3 citation statements)

References 23 publications

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“…The CT is not required in this configuration. The presence of the DC link allows for the integration of pure DC applications (PV, DC microgrids) with LFTs [15]. The concept of Custom Power (CP) was introduced by N. G. Hingorani [14].…”

Section: Disturbance Mitigation In the Distribution Networkmentioning

confidence: 99%

“…1. regulation of the reactive power [36] 2. compensation of voltage sags/swells and harmonics [15,[37][38][39][40][41][42][43][44]; 3. regulation of the DC link voltage [39,40] the connection in the HT. The shunt connection provides current mitigation (pow correction, filtering of harmonics, etc.).…”

Section: Htmentioning

confidence: 99%

“…The series converter is controlled by the use of discrete-time state feedback to mitigate voltage sags/swells in [15]. The series converter supplies the LC filter on the primary side through the CT, and the shunt converter is connected to the secondary side with the LCL filter.…”

Section: Htmentioning

confidence: 99%

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A Review on AC Voltage Variation Compensators in Low Voltage Distribution Network

Sztajmec,

Szcześniak

2023

Energies

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Power quality is one of the most important aspects of the power system, especially in the distribution system. This system can be affected by such disturbances as short-term voltage sags/swells, long-term voltage increases/decreases over the normative limits, harmonic distortion, interruptions, etc. Maintaining the electricity quality parameters in accordance with the applicable standards in the power distribution system will require the use of additional devices. The scientific literature on the subject indicates a very wide range of different topologies of AC voltage compensators. In this paper, different power electronics-based AC voltage compensator topologies are reviewed that are typically used with distribution energy systems. A summary of the properties and functionalities of the selected topologies has been presented. This review focuses mainly on the different topologies of the Unified Power Quality Controllers (UPQC) and Hybrid Transformers (HT). This review is divided into several sections. The first section presents the topologies used in UPQC and HT. The second section discusses selected control methods for these systems. The third section presents the basic properties of the systems related to compensating changes in the supply voltage and improvement of power quality. The fourth section presents the use of UPQC and HT systems. Finally, a summary and conclusions are presented.

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Section: Disturbance Mitigation In the Distribution Networkmentioning

confidence: 99%

Section: Htmentioning

confidence: 99%

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A Review on AC Voltage Variation Compensators in Low Voltage Distribution Network

Sztajmec,

Szcześniak

2023

Energies

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Energy analysis and environmental impact assessment for self-sufficient non-interconnected islands: The case of Nisyros island

Skopetou,

Zestanakis,

Rotas

et al. 2024

Journal of Cleaner Production

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Voltage partial compensation strategy based on SA‐PSO algorithm for hybrid distributed transformers

Ma,

Zhuo,

2024

IET Power Electronics

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Hybrid distributed transformers(HDT) play a good role in solving the problem of voltage fluctuation and asymmetry on the low‐voltage side. However, when the load voltage fluctuates, if the load voltage is fully compensated to meet the condition that the load voltage is equal to the rated voltage, HDT requires a larger compensation capacity and higher design cost. The output capacity of HDT is affected by multiple degrees of freedom, and the optimal output capacity cannot be obtained according to the traditional analytical formula. In order to obtain the optimal output capacity of HDT, this paper proposes a HDT voltage partial compensation strategy based on the SA‐PSO algorithm. By analysing the relationship between load and voltage regulation adjustment, the optimal working point is found by the SA‐PSO optimization algorithm. The proposed compensation strategy reduces the compensation capacity required by HDT, thereby reducing the design cost. The simulation results show the effectiveness of the proposed voltage partial compensation strategy.

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State-Feedback Control of a Hybrid Distribution Transformer for Power Quality Improvement of a Distribution Grid

Cited by 14 publications

References 23 publications

A Review on AC Voltage Variation Compensators in Low Voltage Distribution Network

A Review on AC Voltage Variation Compensators in Low Voltage Distribution Network

Energy analysis and environmental impact assessment for self-sufficient non-interconnected islands: The case of Nisyros island

Voltage partial compensation strategy based on SA‐PSO algorithm for hybrid distributed transformers

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