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Inicio  /  Aerospace  /  Vol: 9 Par: 7 (2022)  /  Artículo
ARTÍCULO
TITULO

Design of a Half-Bridge Current-Source Inverter Topology for Avionic Systems

Eralp Sener and Gurhan Ertasgin    

Resumen

This paper analyses a new half-bridge current?source inverter for avionic systems. In the circuit, two 28 V batteries are used as inputs. These voltage sources are connected to inductors which create a constant current source. Then only two high-frequency switches are used to waveshape the positive and negative half-cycles. The SCR-based half-bridge allows positive and negative current flow properly. The inverter output uses a CL filter to remove PWM components and to obtain 400 Hz sinewave output. Simulation and HIL experiment results are provided with feedback control to prove the concept of the proposed topology. The study shows that the new current?source topology provides promising results while complying with aviation standards.

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