Signal-injection sensorless control for low speeds region are usually assisted with compensation techniques to support the heavy load operations beyond rated conditions. For the standard d-axis pulsating voltage injection, this article analyzes the prospect of using q-axis current-model flux instead of the q-axis current for decoupled position estimation. Through convergence analysis, the feasibility of operation at overload is evaluated for the decoupled scheme against the state-of-art compensation technique and is shown to be a promising candidate for its simplicity and the lack of preprocessing of flux-map. All claims are experimentally validated on a 1.1 kW synchronous reluctance machine test-bench.

Signal-Injection Sensorless Control of Synchronous Reluctance Machines for Overload Operation / Varatharajan, A.; Pellegrino, G.; Armando, E.. - In: IEEE TRANSACTIONS ON POWER ELECTRONICS. - ISSN 0885-8993. - ELETTRONICO. - 37:5(2022), pp. 5874-5883. [10.1109/TPEL.2021.3130316]

Signal-Injection Sensorless Control of Synchronous Reluctance Machines for Overload Operation

Varatharajan A.;Pellegrino G.;Armando E.
2022

Abstract

Signal-injection sensorless control for low speeds region are usually assisted with compensation techniques to support the heavy load operations beyond rated conditions. For the standard d-axis pulsating voltage injection, this article analyzes the prospect of using q-axis current-model flux instead of the q-axis current for decoupled position estimation. Through convergence analysis, the feasibility of operation at overload is evaluated for the decoupled scheme against the state-of-art compensation technique and is shown to be a promising candidate for its simplicity and the lack of preprocessing of flux-map. All claims are experimentally validated on a 1.1 kW synchronous reluctance machine test-bench.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2956402