Three-Phase Unbalance Analysis Method Based on Three-Phase Motor Current Instantaneous Information
Motor current signal analysis is a common method that can be applied to the monitoring and diagnosis of electromechanical equipment. Three-phase unbalance will increase the line power loss and affect the safe operation of power-using equipment. To quickly analyze motor current three-phase unbalance,...
| Main Authors: | , , , , , |
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| Format: | Article |
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MDPI AG
2023-05-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/13/10/6127 |
| _version_ | 1797601192397766656 |
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| author | Xun Zhang Guanghua Xu Xiaobi Chen Ruiquan Chen Shengchao Chen Sicong Zhang |
| author_facet | Xun Zhang Guanghua Xu Xiaobi Chen Ruiquan Chen Shengchao Chen Sicong Zhang |
| author_sort | Xun Zhang |
| collection | DOAJ |
| description | Motor current signal analysis is a common method that can be applied to the monitoring and diagnosis of electromechanical equipment. Three-phase unbalance will increase the line power loss and affect the safe operation of power-using equipment. To quickly analyze motor current three-phase unbalance, we propose a method to analyze three-phase unbalance by calculating the coefficient of variation of the three-phase current’s instantaneous frequency and instantaneous amplitude. Simulations were conducted to analyze the effects of amplitude deviation and phase deviation on the coefficient of variation of instantaneous frequency and instantaneous amplitude. The three-phase unbalance with continuous amplitude change was simulated and its instantaneous performance was analyzed. Experiments were conducted to compare and analyze the instantaneous information characteristics of the motor with the continuous changing of three-phase unbalance under different speed conditions. Simulations and experiments show that the proposed method in this paper can analyze three-phase unbalance. |
| first_indexed | 2024-03-11T03:58:44Z |
| format | Article |
| id | doaj.art-8374ee561fca40ccb9e7e6a68b3be342 |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-11T03:58:44Z |
| publishDate | 2023-05-01 |
| publisher | MDPI AG |
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| series | Applied Sciences |
| spelling | doaj.art-8374ee561fca40ccb9e7e6a68b3be3422023-11-18T00:20:59ZengMDPI AGApplied Sciences2076-34172023-05-011310612710.3390/app13106127Three-Phase Unbalance Analysis Method Based on Three-Phase Motor Current Instantaneous InformationXun Zhang0Guanghua Xu1Xiaobi Chen2Ruiquan Chen3Shengchao Chen4Sicong Zhang5School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, ChinaSchool of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, ChinaSchool of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, ChinaSchool of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, ChinaSchool of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, ChinaSchool of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, ChinaMotor current signal analysis is a common method that can be applied to the monitoring and diagnosis of electromechanical equipment. Three-phase unbalance will increase the line power loss and affect the safe operation of power-using equipment. To quickly analyze motor current three-phase unbalance, we propose a method to analyze three-phase unbalance by calculating the coefficient of variation of the three-phase current’s instantaneous frequency and instantaneous amplitude. Simulations were conducted to analyze the effects of amplitude deviation and phase deviation on the coefficient of variation of instantaneous frequency and instantaneous amplitude. The three-phase unbalance with continuous amplitude change was simulated and its instantaneous performance was analyzed. Experiments were conducted to compare and analyze the instantaneous information characteristics of the motor with the continuous changing of three-phase unbalance under different speed conditions. Simulations and experiments show that the proposed method in this paper can analyze three-phase unbalance.https://www.mdpi.com/2076-3417/13/10/6127three-phase unbalancemotor currentpark vector demodulationinstantaneous frequencyinstantaneous amplitudecoefficient of variation |
| spellingShingle | Xun Zhang Guanghua Xu Xiaobi Chen Ruiquan Chen Shengchao Chen Sicong Zhang Three-Phase Unbalance Analysis Method Based on Three-Phase Motor Current Instantaneous Information Applied Sciences three-phase unbalance motor current park vector demodulation instantaneous frequency instantaneous amplitude coefficient of variation |
| title | Three-Phase Unbalance Analysis Method Based on Three-Phase Motor Current Instantaneous Information |
| title_full | Three-Phase Unbalance Analysis Method Based on Three-Phase Motor Current Instantaneous Information |
| title_fullStr | Three-Phase Unbalance Analysis Method Based on Three-Phase Motor Current Instantaneous Information |
| title_full_unstemmed | Three-Phase Unbalance Analysis Method Based on Three-Phase Motor Current Instantaneous Information |
| title_short | Three-Phase Unbalance Analysis Method Based on Three-Phase Motor Current Instantaneous Information |
| title_sort | three phase unbalance analysis method based on three phase motor current instantaneous information |
| topic | three-phase unbalance motor current park vector demodulation instantaneous frequency instantaneous amplitude coefficient of variation |
| url | https://www.mdpi.com/2076-3417/13/10/6127 |
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