| 基于转子槽谐波分析的潜油电机温度辨识 |
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| 引用本文： | 王立国,郝宏海,吕辛,徐壮,徐殿国. 基于转子槽谐波分析的潜油电机温度辨识[J]. 电工技术学报, 2011, 0(6): 1-6 |
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| 作者姓名： | 王立国 郝宏海 吕辛 徐壮 徐殿国 |
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| 作者单位： | 哈尔滨工业大学电气工程及自动化学院; |
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| 基金项目： | 国家自然科学基金项目(50877016,50877017,50777013,1063204); 中国博士后基金特别资助项目(20090238550877016),中国博士后基金资助项目(20100471063) |
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| 摘 要： | 鉴于油井独特的高温高压环境对常规测温方法的限制及潜油电机对温度监测的迫切需求,提出了一种基于转子槽谐波的潜油电机无传感器温度辨识方法。核心在于通过在地面易测得的潜油电机定子电压和电流进行无传感器电机温度辨识,实现对工作于井下2～3km深处潜油电机温度的实时监测。根据所推导出的潜油电机转子温度解析表达式,可对潜油电机转速、感抗及转子电阻进行在线计算并监测其状态变化。实验结果表明,目前基于转子槽谐波分析得到的局部时段转速最大误差为3r/min,温度辨识精度误差小于10℃,从而验证了所提算法的正确性与可行性。
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| 关 键 词： | 潜油电机 无传感器温度辨识 转子槽谐波 转速检测 |
Temperature Identification of Electric Submersible Motor Based on Perturbation Analysis of Therodynamic Parameters |
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| Wang Liguo,Zhang Fengna,lü Xin,Xu Zhuang,Xu Dianguo. Temperature Identification of Electric Submersible Motor Based on Perturbation Analysis of Therodynamic Parameters[J]. Transactions of China Electrotechnical Society, 2011, 0(6): 1-6 |
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| Authors: | Wang Liguo Zhang Fengna lü Xin Xu Zhuang Xu Dianguo |
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| Affiliation: | Wang Liguo1 Zhang Fengna1 lü Xin1 Xu Zhuang1 Xu Dianguo1 Deng Hui2(1.Harbin Institute of Technology Harbin 150001 China 2.Daqing Oilfield Power Pump Industry Co.Ltd.Daqing 163311 China) |
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| Abstract: | In order to improve the calculation accuracy of the sensor-less temperature identification method,the thermal parameter perturbation theory is applied to analyze the electric submersible motor(ESM) in this paper.Through modeling the ESM,the relationship of the thermal parameters to changing the temperature of ESM are given.The stability of presented thermal system is validated by analyzing root locus of thermodynamics equations in the frequency domain.Simulation and experiment show that,the identification t... |
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| Keywords: | Electric submersible motor sensor-less identification temperature parameter perturbations thermo-dynamic modeling. |
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