Performance analysis of a multilevel inverter based shunt active filter with RT‐EMD control technique under ideal and non‐ideal supply voltage conditions

Dash, Ashish Ranjan; Panda, Anup Kumar; Lenka, Rajesh Kumar; Patel, Ranjeeta

doi:10.1049/iet-gtd.2018.7060

Cited by 14 publications

(14 citation statements)

References 41 publications

(44 reference statements)

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“…To evaluate the proposed method efficiency, Table 4 shows a performance comparison between the proposed strategy and other strategies recently adopted for APF control [16,17,20,[36][37][38][39]. This comparison was based on inverter flying capacitor voltage ripple rate ΔVc% under ideal and non-ideal grid voltages after SAPF connection, transient regime capacitor voltages overshoot and undershoot and maximal ΔVc%, transient response time Δtset for capacitor voltage rebalancing to reach their references, grid problem number for which robustness has been tested and based on cost and complexity in terms of devices used such as regulators, sensors, and measuring instruments.…”

Section: Comparison Of Control Strategies Performance For Apfmentioning

confidence: 99%

“…It is effective only for conventional two‐level inverter‐based APF control. The real‐time empirical mode decomposition (RT‐EMD) control technique under ideal and non‐ideal supply voltage conditions has been proposed in [16]. This method has proved its robustness against grid problems but measuring instruments used made this method complicated and expensive.…”

Section: Introductionmentioning

confidence: 99%

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Backstepping control of flying capacitor multilevel inverter‐based active power filter

Manai

Hakiri

Besbes

2020

IET power electron.

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In this work, the authors are considering the problem of compensation of harmonic current absorbed by a non-linear load from a three-phase grid voltage. The objective is twofold: the first is to reduce cost and control complexity by avoiding proportional-integral regulators and optimising measurement instrumentation while ensuring inverter capacitor voltage selfbalance and the second is to provide a robust control strategy against power grid problems. Without measuring current and capacitor voltages, the proposed control strategy generates accurate control signals able to ensure flying capacitor inverter selfbalance and full compensation of harmonics whatever the grid voltage problem. In this regard, the robustness of the proposed control against power grid problem such as sag, swell, grid voltage unbalance, and frequency variation have been tested while proving its efficiency to compensate for harmonic currents and ensuring capacitor voltage natural balance even in transient regimes. During balanced and unbalanced loads, the proposed method has exhibited an excellent transient response, represented by capacitor voltages tracking to their reference in the presence of large variation in the load. Finally, effectiveness of the proposed control strategy is verified by numerical simulations as well as realistic experiments, and its merits are showed in comparison with other methods. * = V * c i, j I * c i, j reference capacitor power I d non-linear load current R, L load resistive-inductive load

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Section: Comparison Of Control Strategies Performance For Apfmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Backstepping control of flying capacitor multilevel inverter‐based active power filter

Manai

Hakiri

Besbes

2020

IET power electron.

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“…Kernel incremental meta-learning process 23 and ANN-based conductance estimation 24 are implemented for a better solution for power quality issues. In 25 , 26 , EMD-based control strategy shows a real-time approach to reducing source current harmonics.…”

Section: Introductionmentioning

confidence: 99%

Implementation of a hybrid neural network control technique to a cascaded MLI based SAPF

Behera,

Dash,

Mishra

et al. 2024

Sci Rep

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This paper presents a naïve back propagation (NBP) based $$i\cos \emptyset$$ i cos ∅ technique implemented to a cascaded multilevel inverter (MLI) based shunt active power filter (SAPF). The recommended control algorithm is applied to extract the fundamental component of load current and to decide the compensating current reference for harmonic elimination. The performance of the SAPF using the proposed NBP-based $$i\cos \emptyset$$ i cos ∅ technique is compared with another two classical control techniques, such as, $$i_{d} - i_{q}$$ i d - i q technique and $$i\cos \emptyset$$ i cos ∅ technique. The accuracy of the proposed control technique depends on the tuned estimation of active and reactive weights. The performance study of the proposed SAPF with the proposed control technique is investigated under non-linear conditions, with balanced and unbalanced loading conditions. The results reveal that the recommended SAPF is efficient enough to reduce the harmonics from the source current with smooth variation in DC link voltage. The effectiveness of the proposed method is validated by simulation using MATLAB Simulink, and the real-time results are also validated by the experimental setup.

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“…Using these controllers and dealing with problems such as harmonic capability, efficiency and implementation, relies on advances of technology. Along this, active filters [2], [8], [9] or a combination of FACTS controllers and active filters [10] has been proposed which are expensive, and have complication in design, control and implementation. In [11] a distribution system loss reduction by automatic transformer load balancing is presented.…”

Section: Introductionmentioning

confidence: 99%

“…In [13] the losses in three-phase transformers at load balancing is studied. Fuzzy logic ways for load balancing is proposed in [8][9][10]. In [11][12], other intelligent algorithms like Ant Colony algorithm and heuristic is explained.…”

Section: Introductionmentioning

confidence: 99%

A Novel Multi Stage Transformer for Compensating Unbalanced Loads

Ahmadi

2020

Wseas Transactions on Systems and Control

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In the proposed Load balancing transformer, two additional coupling winding are placed in the secondary of each phase. One of these coupling windings is in series with the winding of other phase and this combination of windings is reversely paralleled with the secondary winding of the third phase. Under unbalanced load conditions, the unbalanced part of the load current, flows through the proposed combination of windings. In this way, the unbalanced part of the load current is distributed between all phases. The proposed topology for multi stage load balancing transformer is based on the ordinary load-balancing transformer. Finally, these topologies are simulated with MATLAB and the results are discussed.

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Performance analysis of a multilevel inverter based shunt active filter with RT‐EMD control technique under ideal and non‐ideal supply voltage conditions

Cited by 14 publications

References 41 publications

Backstepping control of flying capacitor multilevel inverter‐based active power filter

Backstepping control of flying capacitor multilevel inverter‐based active power filter

Implementation of a hybrid neural network control technique to a cascaded MLI based SAPF

A Novel Multi Stage Transformer for Compensating Unbalanced Loads

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