The Development &amp; Performance Test of 10[kW] Power Conditioning System for Microgrid

Lee, Hak‐Ju; Chae, Woo-Kyu; Park, Jung-Sung; Kim, Ju–Yong; Kim, Chan Young

doi:10.5207/jieie.2011.25.7.055

Cited by 1 publication

(1 citation statement)

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“…To fully utilize the PV system, maximum power-point tracking (MPPT) algorithms are normally used in the controller of the boost converter. Among various MPPT algorithms, the perturbation and observation (P&O) algorithm for the dc-dc converter are used in this paper [18][19][20].…”

Section: Pv System Modelmentioning

confidence: 99%

Intelligent Coordination Method of Multiple Distributed Resources for Harmonic Current Compensation in a Microgrid

Kang¹,

Yoo²,

Chung³

et al. 2012

Journal of Electrical Engineering and Technology

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-Nonlinear electronic loads draw harmonic currents from the power grids that can cause energy loss, miss-operation of power equipment, and other serious problems in the power grids. This paper proposes a harmonic compensation method using multiple distributed resources (DRs) such as small distributed generators (DGs) and battery energy storage systems (BESSs) that are integrated to the power grids through power inverters. For harmonic compensation, DRs should inject additional apparent power to the grids so that certain DRs, especially operated in proximity to their rated power, may possibly reach their maximum current limits. Therefore, intelligent coordination methods of multiple DRs are required for efficient harmonic current compensation considering the power margins of DRs, energy cost, and the battery state-of-charge. The proposed method is based on fuzzy multiobjective optimization so that DRs can cooperate with other DRs to eliminate harmonic currents with optimizing mutually conflicting multi-objectives.

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Section: Pv System Modelmentioning

confidence: 99%