Design and Analysis of PLL Speed Estimator for Sensorless Rotor-Flux Oriented Control of Induction Motor Drives

被引：0
作者：
Mishra, Prasun [1 ]
Lascu, Cristian [1 ]
Bech, Michael Moller [1 ]
Rannestad, Bjorn [2 ]
Munk-Neilsen, Stig [1 ]
机构：
[1] Aalborg Univ, Dept Energy Technol, Aalborg, Denmark
[2] KK Wind Solut, Ikast, Denmark
来源：
2021 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2021年
关键词：
flux estimation; induction motor; phase-locked loop; speed estimation;
D O I：
10.1109/ECCE47101.2021.9595316
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Speed sensorless control of induction motors, used in high-performance adjustable speed drives, is highly desirable because of increased mechanical robustness, reliability, especially in hostile environments, and low cost In this paper, a second-order phase-locked loop (PLL) based speed estimator, detecting the phase angle of the rotor-flux vector, is presented and analyzed for speed estimation of the induction motor over a wide speed range. The rotor-flux has been estimated by a model reference adaptive flux observer using the current and voltage model of the induction motor. Mathematical analysis and apposite simulation results for a 355 kW IM drive are presented to validate the presented speed and flux estimation methods.
引用
收藏
页码：4743 / 4747
页数：5
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