| HUI Liangliang,WANG Kaiming,CHEN Huatai,WANG Jiangbin.Design and Research of Intelligent Switch Power-taking Circuit for Single-fire-wire Power Supply[J].JOURNAL OF POWER SUPPLY,2021,19(2):128-135 |
| Design and Research of Intelligent Switch Power-taking Circuit for Single-fire-wire Power Supply |
| Received:December 15, 2018 Revised:December 03, 2020 |
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| DOI：10.13234/j.issn.2095-2805.2021.2.128 |
| Keywords:single-fire-wire power supply intelligent switch power-taking circuit |
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| Author | Institution | Email |
| HUI Liangliang |
Shaanxi Railway Institute, Weinan , China |
huiliang19890228@163.com |
| WANG Kaiming |
State Grid Baiyin Power Supply Company, Baiyin , China |
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| CHEN Huatai |
State Grid Baiyin Power Supply Company, Baiyin , China |
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| WANG Jiangbin |
School of Electrical Engineering, Xi'an Jiaotong University, Xi'an , China |
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| Abstract: |
| A power-taking circuit for a single-fire-wire power supply intelligent switch is designed. First, the basic working principle for this switch is analyzed, and the standby power-taking circuit is analyzed. On this basis, two design schemes for the single-fire-wire power supply intelligent switch are proposed. Then, through the comparison between the two design schemes, the design scheme for the auxiliary power-taking circuit based on a power module is selected, and the specific schematic diagram is drawn. In addition, an experimental test platform was built. Finally, the experimental waveforms of the single-fire-wire intelligent switch in standby state, working state and the on-off process were measured at each node on the experimental platform. The theoretical analysis and experimental results show the correctness and effectiveness of the single-fire-wire power supply intelligent switch under the design scheme. |
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