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Electrical Braking in Matrix Converter for More Electric Aircraft: Bi-Directional Switch and Input Power Clamp Methods

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Current aircraft power quality specifications do not allow regeneration onto the power bus. Therefore, the inherent regeneration available from Matrix Converter (MC) is not desirable in More Electric Aircraft (MEA) aerospace applications. In this paper, novel methods to avoid regeneration from the Matrix Converters are proposed. The methods have been called the Bi-Directional Switch (BDS) method and the Input Power Clamp (IPC) method. Both methods are compared. The IPC method is considered an alternative to the Bi-Directional Switch (BDS) method and has a number of advantages discussed in the paper. To detect regeneration in Matrix Converters two techniques are proposed, the Power Comparison technique (PC) and the Input Voltage Reference technique (IVR). Experimental results from a prototype using 4 kW Induction Motor are presented.

Keywords: AC–AC; BI-DIRECTIONAL SWITCH METHOD; ELECTRICAL BRAKING; INDIRECT VECTOR CONTROL; INPUT POWER CLAMP METHOD; MATRIX CONVERTERS; REGENERATION CONTROL CIRCUIT; SURFACE ACTUATION

Document Type: Research Article

Publication date: December 1, 2015

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  • The electronic systems that can operate with very low power are of great technological interest. The growing research activity in the field of low power electronics requires a forum for rapid dissemination of important results: Journal of Low Power Electronics (JOLPE) is that international forum which offers scientists and engineers timely, peer-reviewed research in this field.
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