One-Cycle Control of Three-Phase Five-Level Diode-Clamped STATCOMopen access
- Authors
- Jeong, In Wha; Sung, Tae Hyun
- Issue Date
- Apr-2021
- Publisher
- MDPI
- Keywords
- one-cycle control; static VAR compensator; dc-link voltage balance; reactive power compensation
- Citation
- ENERGIES, v.14, no.7, pp.1 - 30
- Indexed
- SCIE
SCOPUS
- Journal Title
- ENERGIES
- Volume
- 14
- Number
- 7
- Start Page
- 1
- End Page
- 30
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/142104
- DOI
- 10.3390/en14071830
- ISSN
- 1996-1073
- Abstract
- This paper presents a new multilevel one-cycle control (OCC) technique for a five-level diode-clamped multilevel converter (DCMC)-based static VAR compensator (STATCOM). The OCC algorithm in combination with multi-carrier level-shifted PWM control is used in the proposed five-level DCMC-based STATCOM. The automatic dc link voltage balance is simply realized by four voltage compensators presented as the part of the OCC controller. In this paper the OCC principle of a two-level converter-based STATCOM is reviewed and extended to the five-level DCMC-based STATCOM. The proposed multilevel OCC control method of the five-level DCMC-based STATCOM in steady-state and dynamic operation modes is verified by simulation and experimental results.
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