Research on Magnetostrictive Model for Oriented Silicon Steel under Service Conditions
- Publication Type:
- Journal Article
- Citation:
- Diangong Jishu Xuebao/Transactions of China Electrotechnical Society, 2020, 35, (19), pp. 4131-4138
- Issue Date:
- 2020-10-10
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| 17633657_5015051000005671.pdf | Published version | 6.26 MB |
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Magnetostrictive effect of silicon steel is the main source of vibration noise for power equipment such as transformers. In order to establish the magnetostrictive model for silicon steel, the magnetic domain rotation characteristics were considered and the related parameter k was added in the J-A model. Then, the magnetostrictive model of oriented silicon was established by combing the improved J-A model with the quadratic domain rotation model. The parameters in the model were extracted using the particle swarm optimization algorithm(PSO). Considering the working condition of power transformers, the magnetostrictive properties of oriented silicon steel were analyzed under ideal sine, harmonics and DC bias, respectively. The results showed that the magnetostrictive curves calculated by the model under the different conditions were in good agreement with the experimentally measured data. Therefore, the magnetostrictive model proposed in the paper can be used to simulate the magnetostrictive properties of oriented silicon steel under service conditions. 1
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