Dynamic modeling and control of a grid-connected hybrid generation system with versatile power transfer

Seul K. Kim, Jin Hong Jeon, Chang H. Cho, Jong B. Ahn, Sae-Hyuk Kwon

Research output: Contribution to journalArticle

301 Citations (Scopus)

Abstract

This paper presents power-control strategies of a grid-connected hybrid generation system with versatile power transfer. The hybrid system is the combination of photovoltaic (PV) array, wind turbine, and battery storage via a common dc bus. Versatile power transfer was defined as multimodes of operation, including normal operation without use of battery, power dispatching, and power averaging, which enables grid- or user-friendly operation. A supervisory control regulates power generation of the individual components so as to enable the hybrid system to operate in the proposed modes of operation. The concept and principle of the hybrid system and its control were described. A simple technique using a low-pass filter was introduced for power averaging. A modified hysteresis-control strategy was applied in the battery converter. Modeling and simulations were based on an electromagnetic-transient-analysis program. A 30-kW hybrid inverter and its control system were developed. The simulation and experimental results were presented to evaluate the dynamic performance of the hybrid system under the proposed modes of operation.

Original languageEnglish
Pages (from-to)1677-1688
Number of pages12
JournalIEEE Transactions on Industrial Electronics
Volume55
Issue number4
DOIs
Publication statusPublished - 2008 Apr 1

Fingerprint

Hybrid systems
grids
electric batteries
Low pass filters
storage batteries
Power control
Transient analysis
distributing
low pass filters
Wind turbines
wind turbines
Power generation
Hysteresis
converters
Control systems
simulation
hysteresis
electromagnetism

Keywords

  • Dispatch operation
  • Dynamic modeling and control
  • Grid-connected hybrid system
  • Modified hysteresis control
  • Power averaging
  • Power-conditioning system (PCS)
  • Supervisory control

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Instrumentation

Cite this

Dynamic modeling and control of a grid-connected hybrid generation system with versatile power transfer. / Kim, Seul K.; Jeon, Jin Hong; Cho, Chang H.; Ahn, Jong B.; Kwon, Sae-Hyuk.

In: IEEE Transactions on Industrial Electronics, Vol. 55, No. 4, 01.04.2008, p. 1677-1688.

Research output: Contribution to journalArticle

Kim, Seul K. ; Jeon, Jin Hong ; Cho, Chang H. ; Ahn, Jong B. ; Kwon, Sae-Hyuk. / Dynamic modeling and control of a grid-connected hybrid generation system with versatile power transfer. In: IEEE Transactions on Industrial Electronics. 2008 ; Vol. 55, No. 4. pp. 1677-1688.
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