Accurate Hybrid Flux Observation Based on Improved Voltage Model for Induction Motor

The Hybrid Flux Observation Model (HFOM) is frequently employed in induction motor flux observers to ensure accurate and dynamic responses over the entire speed range. Nevertheless, voltage model, designed stationary reference frame, susceptible integral saturation drift issues. These problems lead diminished estimation accuracy compromised performance when conventional HFOM utilized. To mitigate these challenges, this paper introduces a novel (NHFOM), founded on model synchronous rotating frame. Furthermore, explores compensation strategies for phase deviation during transition proposes delay time strategy impact of control system observation at high speeds. Experimental results affirm that proposed NHFOM enhances response motor.