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| 講演名 | 2014-11-30 10:00 The influence of temperature and pressure on the contact resistance and its application in thermal analysis of low voltage circuit breaker ○Chunping Niu・Hui Chen・Yi Wu・Junxingxu Chen・Juwen Ding（Xi'an Jiaotong Univ.）  EMD2014-82 |
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| 抄録 | （和） | Thermal analysis is significant to the design of circuit breaker. The contact resistance between moving contact and fixed contact is one of the main heat sources in circuit breaker. It is critical to determine the contact resistance and set up its reasonable model for thermal analysis. In this paper, experiments have been carried out to get the influence of stress and temperature on contact resistance. The change rule of contact resistance with contact pressure and temperature are obtained. Based on the results, steady-state thermal analysis of the molded case circuit breaker (MCCB) is performed. Compared with the existing thermal simulation results, it shows that the thermal analysis considering the change rules of contact resistance is much closer to the experiment. |
| （英） | Thermal analysis is significant to the design of circuit breaker. The contact resistance between moving contact and fixed contact is one of the main heat sources in circuit breaker. It is critical to determine the contact resistance and set up its reasonable model for thermal analysis. In this paper, experiments have been carried out to get the influence of stress and temperature on contact resistance. The change rule of contact resistance with contact pressure and temperature are obtained. Based on the results, steady-state thermal analysis of the molded case circuit breaker (MCCB) is performed. Compared with the existing thermal simulation results, it shows that the thermal analysis considering the change rules of contact resistance is much closer to the experiment. | |
| キーワード | （和） | contact resistance / contact pressure / temperature / molded case circuit breaker / thermal analysis / / / |
| （英） | contact resistance / contact pressure / temperature / molded case circuit breaker / thermal analysis / / / | |
| 文献情報 | 信学技報, vol. 114, no. 342, EMD2014-82, pp. 99-103, 2014年11月. | |
| 資料番号 | EMD2014-82 | |
| 発行日 | 2014-11-22 (EMD) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| 著作権に ついて |
技術研究報告に掲載された論文の著作権は電子情報通信学会に帰属します．(許諾番号：10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| PDFダウンロード | EMD2014-82 |
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