Unbalanced Harmonic Suppression of Three-Level Active Power Filter with Optimal Hybrid Control

Yao, Jiaxuan; Zhu, Weichun; Meng, Linghui; Lin, Hongjian; Shu, Zeliang; Liu, Liang

doi:10.1109/pedg.2019.8807494

Cited by 3 publications

(1 citation statement)

References 8 publications

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“…The APF, shunt hybrid active power filter (SHAPF), and current decomposition reduce harmonics, reactive power, and load imbalance. Also, the use of APF/SHAPF in load imbalance conditions is carried out, using hysteresis control [20], IRPT [21], [22], SRF [23], [24], and fuzzy [25], [26]. The harmonic currents in this study were reduced through SHAPF with model predictive control (MPC) at a balanced load in three-phased three and four wires [27] and discussed in a separate article.…”

Section: Introductionmentioning

confidence: 99%

Three-phase four-wire shunt hybrid active power filter model with model predictive control in imbalance distribution networks

Andang

Hartati

Manuaba

et al. 2022

IJECE

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<span lang="EN-US">This paper presents a harmonic reduction and load imbalance model in a three-phase four-wire distribution network. This model uses a hybrid active power filter, a passive inductor and capacitor filter, and an active power filter in the form of a three-phase, four-leg connected grid inverter. The switching of the voltage source converter on this filter uses finite control set model predictive control (FCS-MPC). Control of this hybrid active power filter uses model predictive control (MPC) with a cost function, comparing the reference current and prediction current with mathematical modelling of the circuit. The reference current is taken from the load current by extracting dq, and the predicted current is obtained from the iteration of the voltage source converter (VSC) switching pattern. Each combination is compared with the reference current in the cost function to get the smallest error used as a power switching signal. Modelling was validated by using MATLAB Simulink. The simulation results prove a decrease in harmonics at a balanced load from 22.16% to 4.2% and at an unbalanced load, reducing the average harmonics to 4.74%. The simulation also decreases the load current imbalance in the distribution network. Reducing the current in the neutral wire from 62.01%-0.42% and 11.29-0.3 A.</span>

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Section: Introductionmentioning

confidence: 99%

Three-phase four-wire shunt hybrid active power filter model with model predictive control in imbalance distribution networks

Andang

Hartati

Manuaba

et al. 2022

IJECE

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Research on distributed networked unbalanced harmonic control combined with APF

et al. 2021

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Predictive Control for Current Distortion Mitigation in Mining Power Grids

et al. 2023

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Current distortion is a critical issue of power quality because the low frequency harmonics injected by adjustable speed drives increase heating losses in transmission lines and induce torque flickering in induction motors, which are widely used in mining facilities. Although classical active filtering techniques mitigate the oscillatory components of imaginary power, they may not be sufficient to clean the sensitive nodes of undesirable power components, some of which are related to real power. However, the usage of power electronic converters for distributed generation and energy storage, allows the integration of complementary power quality control objectives in electrical systems, by using the same facilities required for active power transferring. This paper proposes a predictive control-based scheme for mitigating the current distortion in the coupling node between utility grid and the mining facility power system. Instead of the classical approach of active filtering, this task is included as a secondary level objective control referred into the microgrid control hierarchy. Hardware-in-the-Loop simulation results showed that the proposed scheme is capable of bounding the current distortion, according to IEEE standard 1547, for both individual harmonics and the total rated current distortion, through inequality constraints of the optimization problem.

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Unbalanced Harmonic Suppression of Three-Level Active Power Filter with Optimal Hybrid Control

Cited by 3 publications

References 8 publications

Three-phase four-wire shunt hybrid active power filter model with model predictive control in imbalance distribution networks

Three-phase four-wire shunt hybrid active power filter model with model predictive control in imbalance distribution networks

Research on distributed networked unbalanced harmonic control combined with APF

Predictive Control for Current Distortion Mitigation in Mining Power Grids

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