Estimation of minimum BESS capacity for regulating the output of wind farms considering power grid operating condition in Jeju Isalnd

Jin, Kyung-Min; Hyun, Kim Seong; Kim, Eel-Hwan

doi:10.7836/kses.2013.33.4.039

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2014

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“…Its rated voltage is 3.8V and rated capacity is 50Ah. The constants needed in modeling are drawn by actual discharge curve of the battery [2].…”

Section: Battery Modelingmentioning

confidence: 99%

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Micro-Grid Stability in Gapa Island Using Reactive Power Control of STATCOM (Case Study)

Lee¹,

Kim²,

Kim

2014

AMR

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This paper proposes a installation of a static synchronous compensator (Statcom) used battery energy storage system (BESS) for compensting the reactive power of the micro-grid in Gapa island. At present, the micro-grid in Gapa island has two squirrel cage induction generator (SCIG), and it consums a lot of the reactive power. To reduce the capacity of the Statcom, a SCIG is replaced by a permanent magnet synchronous generator (PMSG). The simulation will be carried out in two cases: (i) real system with two SCIGs; (ii) modified system with one SCIG, one PMSG and the Statcom. With the statcom, the reactive power is compensated and the grid voltage is stable. The simulation results will valuate the effectiveness of the proposed control method.

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“…Its rated voltage is 3.8V and rated capacity is 50Ah. The constants needed in modeling are drawn by actual discharge curve of the battery [2].…”

Section: Battery Modelingmentioning

confidence: 99%

“…But this system is often unstable because of the random variation of wind speed and the sun radiation. Therefore, a battery energy storage system (BESS) is implemented in this system [2]. The wind turbine system based on the squirrel cage induction generator (SCIG) consumes a lot of the reactive power [3].…”

Section: Introductionmentioning

confidence: 99%