A frequency‐dependent droop scheme for parallel control of ups inverters

Chiang, Hsuang-Chang; Yen, Chi-Yung; Chang(張國財), Kuo-Tsi

doi:10.1080/02533839.2001.9670666

Cited by 6 publications

(3 citation statements)

References 5 publications

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“…In [77,78] the proposed droop scheme for UPS inverters is shown below, see Fig. 14, in which the inverter connects with the load via series impedance (Z) like the conventional approach. However, there exist two differences.…”

Section: Droop Control In Combination With Other Methodsmentioning

confidence: 99%

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Review of control techniques for inverters parallel operation

Mohd

Ortjohann

Morton

et al. 2010

Electric Power Systems Research

153

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Section: Droop Control In Combination With Other Methodsmentioning

confidence: 99%

“…Frequency-dependent droop scheme: (a) the series impedance is created in the inverter internally; (b) the equivalent inverter circuit at the fundamental frequency and (c) the equivalent inverter circuit at the harmonic frequency[77,78].…”

mentioning

confidence: 99%

Review of control techniques for inverters parallel operation

Mohd

Ortjohann

Morton

et al. 2010

Electric Power Systems Research

153

View full text Add to dashboard Cite

“…To this end, a supplementary control technique that is, in effect, an elaboration of the active power/voltage angle, reactive power/voltage magnitude discussed previously, has been proposed; it is called the fictitious impedance method [10]. It uses the instantaneous current feedback, thus providing additional possibilities such as control of the harmonic frequencies.…”

Section: Development and Evaluation Of Innovative Local Controls To Imentioning

confidence: 99%

Intelligent Local Controllers

Hatziargyriou

2013

Microgrids

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Autonomous control of inverter-interfaced Distributed Generation units for harmonic current filtering and resonance damping in an islanded microgrid

Wang

Blaabjerg

Chen

2012

2012 IEEE Energy Conversion Congress and Exposition (ECCE)

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Harmonic current filtering and resonance damping have become important concerns on the control of an islanded microgrids. To address these challenges, this paper proposes a control method of inverter-interfaced Distributed Generation (DG) units, which can autonomously share harmonic currents and resonance damping burdens. The approach employs a load compensator based on the decomposition of output current, in addition to the outer droop-based power controller, as well as inner voltage and current controllers. The load compensator consists of a virtual fundamental impedance loop for enhanced sharing of reactive power, and a variable harmonic impedance loop which allows to counteract harmonic voltage drops across the grid-side inductance of the DG inverter, and to damp the harmonic resonance propagation throughout a distribution feeder. Experiments on a three-phase microgrid are performed to validate the performance of the proposed control scheme.

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A frequency‐dependent droop scheme for parallel control of ups inverters

Cited by 6 publications

References 5 publications

Review of control techniques for inverters parallel operation

Review of control techniques for inverters parallel operation

Intelligent Local Controllers

Autonomous control of inverter-interfaced Distributed Generation units for harmonic current filtering and resonance damping in an islanded microgrid

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