Collaborative optimization allocation of VDAPFs and SVGs for simultaneous mitigation of voltage harmonic and deviation in distribution networks

Tian, Shuya; Jia, Qingquan; Xue, Shiwei; Yu, Hao; Qu, Zhengwei; Gu, Tianyi

doi:10.1016/j.ijepes.2020.106034

Cited by 14 publications

(17 citation statements)

References 38 publications

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“…In addition, the authors also indicated the possibility of using this optimization method in the global cooperation system of APFs (e.g., initial phase values), the purpose of which would be smarter and more economical elimination of higher harmonics from currents and voltages waveforms. In the latest publication in this field [122], the PSO algorithm was used to optimize the placement of cooperating VDAPF (voltage detection active power filter) and SVG (static VAR generator) systems. The authors divided the optimization algorithm into two stages.…”

Section: Metaheuristic Methodsmentioning

confidence: 99%

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A Review on Optimization of Active Power Filter Placement and Sizing Methods

2022

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Distortions of current and voltage waveforms from a sinusoidal shape are, not only a source of technical problems, but also have serious economic effects. Their occurrence is related to the common use of loads with nonlinear current-voltage characteristics. These are both high-power loads (most often power electronic switching devices supplying high-power drives), but also widely used low-power loads (power supplies, chargers, energy-saving light sources). The best way to eliminate these distortions is to use active power filters. The cost of these devices is relatively high. Therefore, scientists all over the world are conducting research aimed at developing techniques for the proper placement of these devices, in order to minimize their investment costs. The best solution to this problem is to use optimization techniques. This paper compares the methods and criteria used by the authors of publications dealing with this topic. The summary also indicates a possible direction for further work.

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Section: Metaheuristic Methodsmentioning

confidence: 99%

“…Here, c fix and c var are the fixed and variable cost coefficients, respectively [121]. The other approach consists in dividing costs into investment and operation and maintenance [122].…”

Section: Optimization Problem Definitions Used In Apf Placement and S...mentioning

confidence: 99%

A Review on Optimization of Active Power Filter Placement and Sizing Methods

2022

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“…Based on the index

{\psi _{ij}}

, the Louvain heuristic algorithm (LHA) algorithm with the modularity Q function [35] is adopted to divide the distribution system into various PQ mitigation regions. This algorithm is a commonly used method for network partitioning, and the optimal number of regions can be objectively determined based on the modularity Q [36].…”

Section: Network Partition For Power Quality Mitigation and Dominant ...mentioning

confidence: 99%

Two‐layer model of siting and sizing for active power filters and static var generators considering reactive power capability and active power curtailment of DGs

Tian

Jia

Xue

et al. 2022

IET Generation Trans & Dist

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To solve the voltage harmonics and voltage deviation caused by highly penetrated distributed generations (DGs) and power electronic equipment in distribution networks, a two‐layer model of the allocation for the voltage detection active power filters (VDAPFs) and static var generators (SVGs) considering reactive power capability and active power curtailment of DG based on the distribution network partition is proposed in this study. First, the network partition based on the defined integrated voltage sensitivity is presented. Dominant nodes that are candidates of VDAPFs and SVGs are obtained based on the single and integrated sensitivity in all regions. Second, the voltage deviation mitigation regions of the DG grid‐connected inverters (GCINs) are determined considering the coupling between different GCINs. A curtailment method for DGs active power in and inter regions is proposed. On this basis, a two‐layer allocation model is designed. The siting and sizing of VDAPF and SVG are obtained in the upper layer by minimizing the total annual cost. In the lower layer, the power quality level is optimized in each operation scenario by the allocations provided in the upper layer. Finally, case studies on the IEEE 33‐bus and PG&E 69‐bus systems demonstrate that the proposed strategy is feasible and effective.

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“…Literature (Lee et al, 2008) proposed a droop control strategy for multiple distributed APFs operating in parallel. Literature (Tian et al, 2020) studies the optimal configuration method of distributed VDAPF for the decentralized harmonic problem of distribution network. However, a trend of harmonic dispersion and network-wide diffusion has been formed due to the diversification of equipment types and characteristics, and the complexity of disturbance distribution (Ebrahimzadeh et al, 2019;Wang et al, 2019;Artale et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Multi-Time Scale Harmonic Mitigation for High Proportion Electronic Grid

et al. 2022

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As new energies integrated into grid, the harmonics in the grid are more serious, and the Voltage Detection Active Power Filter (VDAPF) has been used as the mitigation equipment to solve the harmonic problems in power electronic distribution network. The global optimization method generally utilizes 15 min to mitigate harmonic which is named long-time-scale, and it is impossible to mitigate harmonic timely. This paper studies a multi-time-scale harmonic mitigation method which adds 5 min prediction to the global optimization method which is named multi-time-scale. The objective is to correct the deviation of harmonic caused by the long-time-scale harmonic prediction error. This paper utilizes MPC to predict the amplitude and phase variation of the harmonics in short time scale, and utilizes distributed VDAPF to optimize harmonic in long time scale. The IEEE 33 nodes system was used as an example to conduct a comparative analysis of mitigation effects in two different harmonic injection scenarios which injected separately 10 and 20%. The results shows that the mitigating effect of the global optimization method is limited under two different harmonic injection scenarios, and it needs to combine with short time scale harmonic prediction information to ensure the effectiveness and rationality of the mitigation results. When the harmonic current fluctuates, there are unqualified voltage distortion nodes in each region, and the voltage distortion rate is larger. But the MPC can change harmonic prediction in a short time, so every harmonic of each VDAPF conductance values is set bigger, and harmonic conductance of the higher harmonics is relatively lower.

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Collaborative optimization allocation of VDAPFs and SVGs for simultaneous mitigation of voltage harmonic and deviation in distribution networks

Cited by 14 publications

References 38 publications

A Review on Optimization of Active Power Filter Placement and Sizing Methods

A Review on Optimization of Active Power Filter Placement and Sizing Methods

Two‐layer model of siting and sizing for active power filters and static var generators considering reactive power capability and active power curtailment of DGs

Multi-Time Scale Harmonic Mitigation for High Proportion Electronic Grid

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