MRAS Speed Estimator for a PMSM Machine: Practice Design
Received: 14 July 2024 | Revised: 30 July 2024 | Accepted: 4 August 2024 | Online: 9 October 2024
Corresponding author: Mohamed F. Elnaggar
Abstract
Wind energy systems are based on synchronous machines, which can support high-speed rotation cases due to possible high-speed values of incoming winds. The machines used are affiliated with permanent magnet machines, whereas speed detection can become difficult. This complication appears when high incoming wind speed values increase the motor temperature, which in turn can influence motor parameters, and especially the stator resistance. This can impact the proposed speed software estimator robustness. The proposed high-speed estimator algorithm is based on the Model Reference Adaptive System (MRAS) estimation method, which can be used for motor speed estimation. This concept includes the reactive power model, which ensures the robustness of the estimator when facing any possible stator resistance variation, even at very high speeds.
Keywords:
MRAS, speed, machine, estimationDownloads
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