Active Power Filter Commitment for Harmonic Compensation in Microgrids

Marini, Abbas; Piegari, Luigi; Mortazavi, S. S.; Ghazizadeh, Mohammad Sadegh

doi:10.1109/iecon.2019.8927668

Cited by 7 publications

(7 citation statements)

References 32 publications

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“…The required power for producing compensation currents can be supplied by an external source or taken by the grid using the same power converter. It has been shown that distributed compensation schemes could bring more flexibility and filtering capability for harmonic compensation [5,16]. Since the harmonic compensation is provided all over the grid, it is preferable to compensate current harmonics as close as possible to the disturbing source.…”

Section: Active Harmonic Filtersmentioning

confidence: 99%

“…Furthermore, for reliable operation of the MG, the coordinated operation of the AHFs should be ensured. It has been highlighted that instability problems can arise in the case of uncoordinated operation [5,16].…”

Section: Active Harmonic Filtersmentioning

confidence: 99%

“…This limitation is set as the maximum value of available power of the ESS (P max -P et,1 ) for idle periods and allowable 10% variation in output power (P et,1 ) for charging or discharging periods. This constraint is mathematically shown as the maximum value of these two values in Equation (16). Furthermore, with respect to the general model of AHF as shown in Figure 4, working constraints could be formulated as Equations (17) and (18).…”

Section: Coordinated Operation Of Esss As Ahfmentioning

confidence: 99%

“…Furthermore, since ESSs are employed as AHFs in addition to APLCs, the working conditions of ESSs could be affected by the output of the operation model. The maximum available capacity of the distortion power for ESSs is set as the maximum value of available power of the ESS and allowable 10% variation in output power for charging or discharging periods, as shown in Equation (16). Hence, these setpoints could change the ESS activities as AHFs.…”

Section: Coordinated Operation Of Esss As Ahfmentioning

confidence: 99%

“…It has been shown that optimal harmonic compensation can be achieved by the coordinated control of PE-based inverters [5,16]. This approach could avoid possible instabilities and ensure an optimal compensation scheme.…”

Section: Introductionmentioning

confidence: 99%

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Coordinated Operation of Energy Storage Systems for Distributed Harmonic Compensation in Microgrids

et al. 2020

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Energy storage systems (ESSs) bring various opportunities for a more reliable and flexible operation of microgrids (MGs). Among them, energy arbitrage and ancillary services are the most investigated application of ESSs. Furthermore, it has been shown that some other services could also be provided by ESSs such as power quality (PQ) improvements. This issue could be more challenging in MGs with widespread nonlinear loads injecting harmonic currents to the MG. In this paper, the feasibility of ESSs to act as coordinated active harmonic filters (AHF) for distributed compensation was investigated. An optimization model was proposed for the coordination of the harmonic compensation activities of ESSs. The model takes into account the various technical and systematic constraints to economically determine the required reference currents of various AHFs. Simulation cases showed the performance of the proposed model for enhancing the harmonic filtering capability of the MG, reduction in the compensation cost, and more flexibility of the distributed harmonic compensation schemes. It was also shown that ESS activities in harmonic compensation do not have much of an effect on the ESSs revenue from energy arbitrage. Hence, it could make ESSs more justifiable for use in MGs.

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Section: Active Harmonic Filtersmentioning

confidence: 99%

Section: Active Harmonic Filtersmentioning

confidence: 99%