Research on three-phase four-wire NPC converter for Tokamak low-frequency resonance suppressor
During the operation of Tokamak power system, a large number of low frequency harmonic currents with complex spectrum will be generated. Low-frequency resonance suppressor is an effective solution to suppress this low-frequency harmonic currents. The low-frequency harmonic suppression theory of low-...
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Elsevier
2021
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oai:doaj.org-article:cb8f370cd8d84bf5851453a4b7ca4ad22021-11-26T04:34:14ZResearch on three-phase four-wire NPC converter for Tokamak low-frequency resonance suppressor2352-484710.1016/j.egyr.2021.08.148https://doaj.org/article/cb8f370cd8d84bf5851453a4b7ca4ad22021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2352484721007514https://doaj.org/toc/2352-4847During the operation of Tokamak power system, a large number of low frequency harmonic currents with complex spectrum will be generated. Low-frequency resonance suppressor is an effective solution to suppress this low-frequency harmonic currents. The low-frequency harmonic suppression theory of low-frequency resonance suppressor is analyzed in this paper. Meanwhile, the state space equation of three-phase four-wire neutral-point-clamped rectifier is established in the LFRS. According to the mathematical model, the double closed-loop and zero sequence current control strategies are proposed to improve power factor operation on AC side and neutral point potential balance control on DC side of three-phase four-wire converter. The results show the correctness of the theoretical analysis and provide a technical reference for suppression of low-frequency harmonics of other Tokamak devices.Xianshun ShenGe GaoYanan WuJun QuZhiwei MaoLiang TanJing LuMingyan DaiJiansheng WangJie YangElsevierarticleTokamak power systemLow-frequency resonance suppressorThree-phase four-wire converterControl strategyElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENEnergy Reports, Vol 7, Iss , Pp 48-55 (2021) |
| institution |
DOAJ |
| collection |
DOAJ |
| language |
EN |
| topic |
Tokamak power system Low-frequency resonance suppressor Three-phase four-wire converter Control strategy Electrical engineering. Electronics. Nuclear engineering TK1-9971 |
| spellingShingle |
Tokamak power system Low-frequency resonance suppressor Three-phase four-wire converter Control strategy Electrical engineering. Electronics. Nuclear engineering TK1-9971 Xianshun Shen Ge Gao Yanan Wu Jun Qu Zhiwei Mao Liang Tan Jing Lu Mingyan Dai Jiansheng Wang Jie Yang Research on three-phase four-wire NPC converter for Tokamak low-frequency resonance suppressor |
| description |
During the operation of Tokamak power system, a large number of low frequency harmonic currents with complex spectrum will be generated. Low-frequency resonance suppressor is an effective solution to suppress this low-frequency harmonic currents. The low-frequency harmonic suppression theory of low-frequency resonance suppressor is analyzed in this paper. Meanwhile, the state space equation of three-phase four-wire neutral-point-clamped rectifier is established in the LFRS. According to the mathematical model, the double closed-loop and zero sequence current control strategies are proposed to improve power factor operation on AC side and neutral point potential balance control on DC side of three-phase four-wire converter. The results show the correctness of the theoretical analysis and provide a technical reference for suppression of low-frequency harmonics of other Tokamak devices. |
| format |
article |
| author |
Xianshun Shen Ge Gao Yanan Wu Jun Qu Zhiwei Mao Liang Tan Jing Lu Mingyan Dai Jiansheng Wang Jie Yang |
| author_facet |
Xianshun Shen Ge Gao Yanan Wu Jun Qu Zhiwei Mao Liang Tan Jing Lu Mingyan Dai Jiansheng Wang Jie Yang |
| author_sort |
Xianshun Shen |
| title |
Research on three-phase four-wire NPC converter for Tokamak low-frequency resonance suppressor |
| title_short |
Research on three-phase four-wire NPC converter for Tokamak low-frequency resonance suppressor |
| title_full |
Research on three-phase four-wire NPC converter for Tokamak low-frequency resonance suppressor |
| title_fullStr |
Research on three-phase four-wire NPC converter for Tokamak low-frequency resonance suppressor |
| title_full_unstemmed |
Research on three-phase four-wire NPC converter for Tokamak low-frequency resonance suppressor |
| title_sort |
research on three-phase four-wire npc converter for tokamak low-frequency resonance suppressor |
| publisher |
Elsevier |
| publishDate |
2021 |
| url |
https://doaj.org/article/cb8f370cd8d84bf5851453a4b7ca4ad2 |
| work_keys_str_mv |
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1718409867484463104 |