Hybrid Filter Applications for Power Quality Improvement of Power Distribution Networks Utilizing Renewable Energies

Ahrabian, G.; Shahnia, Farhad; Haque, M. Tarafdar

doi:10.1109/isie.2006.295801

Cited by 12 publications

(4 citation statements)

References 9 publications

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“…Moreover, some advanced modulation techniques for DG inverters are also reported in the literature to ensure distortion-free injection of active power into the grid [47]. However, compensation of the harmonics associated with local nonlinear loads is possible through active filters [48], hybrid filters [49], smart impedance [50] and by incorporating multifunction PQ ancillary services in traditional DGs, i.e. the concept of multifunctional DGs [51].…”

Section: Uɵlity Gridmentioning

confidence: 99%

An analytic hierarchy process-based novel approach for benchmarking the power quality performance of grid-integrated renewable energy systems

Bajaj

Singh

2020

Electr Eng

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The technical, social, economic as well as environmental multi-benefits of renewable energy sources do not come without certain power quality (PQ) challenges, and deterioration of voltage and current quality is foremost among them. Technically, voltage harmonic distortion, current harmonic distortion, voltage and frequency fluctuations and voltage imbalances are the five decisive issues that judge the PQ performance of renewable energy systems. Healthy PQ, in terms of all the aforementioned phenomena, is assured by monitoring and benchmarking their corresponding indices, but performing the same, only at distributed generation (DG) bus level, is not sufficient since also the grid, as well as load bus PQ, plays an important role which makes the overall PQ assessment of renewable energy systems quite complex. This paper presents an analytic hierarchy process-based novel approach for evaluating and benchmarking the PQ performance of grid-integrated renewable energy systems. The procedure results in a single compound power quality index that is alone ample for benchmarking the overall PQ performance of a renewable energy system above the threshold level as well as for ranking among the PQ performances of individual DG systems differentiated by either renewable energy types or sittings in a distribution network. Such a compound index can ease the PQ performance evaluation and benchmarking process up to a maximum extent. Furthermore, it can be very helpful also for distribution system operators to monitor and penalize the DG owners for poorly operating from PQ aspects and motivate the same for adopting best option among different power quality improvement (PQI) technologies. The proposed approach is verified on a grid-integrated PV-based DG system in MATLAB/Simulink. Besides that, the effect of different PQI techniques, on PQ performance, is tested by the application of the proposed approach. At last, the validation of impending effects of high penetration of renewable energy on PQ of the system is also attempted by the proposed approach.

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Section: Uɵlity Gridmentioning

confidence: 99%

An analytic hierarchy process-based novel approach for benchmarking the power quality performance of grid-integrated renewable energy systems

Bajaj

Singh

2020

Electr Eng

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“…An additional SRF calculation using-t is required based on the negative sequence component analysis. This method is known as the decouple synchronous reference frame (DSRF) [15].…”

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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“…The development and search for technology capable of improving the productivity and efficiency of industrial processes, or even of household equipment, have influenced the use of switched electronic converters and static drives, which results in nonlinear loads connected to the power grid [1]. In addition, the distributed generation (DG) increase in low voltage power systems has caused an increase of the harmonic distortions [2].…”

Section: Introductionmentioning

confidence: 99%

Shunt active power filter for energy quality improvement in distributed generation systems

Olivindo

Machado

2017

2017 IEEE 26th International Symposium on Industrial Electronics (ISIE)

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This paper presents an application of a shunt active power filter (SAPF) for energy quality improvement in a power system composed of nonlinear loads and distributed wind generation. The control of SAPF is implemented without harmonic detection schemes and by linear quadratic regulators with integral action. The performance of the SAPF is evaluated by the current total harmonic distortions and the power factor at the point of common coupling of the power system. The analysis of non-active powers compensation is based on the instantaneous power theory concepts. The control system uses only the power grid currents and voltages measurements, and DC-link voltage of the SAPF. The validation of the control strategy is done through computational simulations implemented in the PSCAD/EMTDC software.

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Hybrid Filter Applications for Power Quality Improvement of Power Distribution Networks Utilizing Renewable Energies

Cited by 12 publications

References 9 publications

An analytic hierarchy process-based novel approach for benchmarking the power quality performance of grid-integrated renewable energy systems

An analytic hierarchy process-based novel approach for benchmarking the power quality performance of grid-integrated renewable energy systems

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

Shunt active power filter for energy quality improvement in distributed generation systems

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