@inproceedings{5eede315f7724fcf8f0e7279470dc161,
title = "Robust Field-weakening Operation of Sensorless Direct Torque and Flux Controlled Flywheel Energy Storage in Wide Speed Range",
abstract = "Flywheel energy storage system (FESS) becomes increasingly popular in dynamic uninterruptable power supplies (UPSs) and smart grids. In order to fully explore the advantageous features of FESS, fast dynamic response and wide speed range operation are required. Nonetheless, most of the existing control approaches for FESS are heavily dependent on machine parameters, indicating poor control robustness in wide speed range. Moreover, many of these approaches are based on field-oriented control (FOC) that requires knowledge of accurate rotor position. This increases the difficulty of realizing the reliable sensorless drives for FESS. To solve the above problems, this paper proposes a robust field-weakening method for sensorless direct torque and flux controlled FESS. It contributes to achieve smooth sensorless operation by employing direct torque and flux control. Moreover, it ensures the robust drives of FESS in full speed range with the presence of parameter variations. Performance of the proposed method is verified by simulations.",
keywords = "direct torque and flux control, flywheel, surface mounted permanent magnet synchronous machine, torque ripples, wide speed range",
author = "Xinan Zhang and Iu, {Herbert Ho Ching} and Tyrone Fernando and Hejin Yang",
year = "2019",
month = dec,
doi = "10.1109/ICPES47639.2019.9105472",
language = "English",
series = "2019 9th International Conference on Power and Energy Systems, ICPES 2019",
publisher = "IEEE, Institute of Electrical and Electronics Engineers",
booktitle = "2019 9th International Conference on Power and Energy Systems, ICPES 2019",
address = "United States",
note = "9th International Conference on Power and Energy Systems, ICPES 2019 ; Conference date: 10-12-2019 Through 12-12-2019",
}
