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Closed-loop Control of High Frequency AC PWM Inverter for Space Application

Mazumder, S and Paul, S and Egala, J and Kundu, U and Peter, PK and Basu, K (2022) Closed-loop Control of High Frequency AC PWM Inverter for Space Application. In: 48th Annual Conference of the IEEE Industrial Electronics Society, IECON 2022, 17 - 20 October 2022, Brussels.

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Official URL: https://doi.org/10.1109/IECON49645.2022.9968590


This paper presents a closed-loop controller design approach for a single-phase (1φ) pulse-width modulated (PWM) high frequency (HF) AC inverter, supplying the non-linear load for space application. Control challenges in HF inverter are highlighted compared with 50/60 Hz conventional inverter. Considering HF PWM inverter with resistive load, the parameters for two-loop control structure are decided to meet specific stability criteria and steady-state performance. Re-tuning of the controller is performed to support non-linear load (uncontrolled diode bridge rectifier) with trap filters. The possibility of connecting damper resistors in series with the trap filters is also explored for better control loop shaping. Analog realization of the controller is also discussed in brief. The proposed controller design is validated experimentally by transferring 0.5 kW power through a 50 V peak, 10 kHz AC system. © 2022 IEEE.

Item Type: Conference Paper
Publication: IECON Proceedings (Industrial Electronics Conference)
Publisher: IEEE Computer Society
Additional Information: The copyright for this article belongs to IEEE Computer Society.
Keywords: Bridge circuits; Closed loop control systems; Electric inverters; Electric loads; Electric rectifiers; Pulse width modulation; Stability criteria, AC systems; Controller designs; High frequency AC; High frequency AC system; Loop control; Nested loop control; Nested Loops; Nonlinear load; Pulse-width-modulated inverter; Resonant controller, Controllers
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 19 Jan 2023 09:35
Last Modified: 19 Jan 2023 09:35
URI: https://eprints.iisc.ac.in/id/eprint/79210

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