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The packaging technology for the medium‐voltage silicon carbide (SiC)‐metal oxide semiconductor field‐effect transistor (MOSFETs) has come a long way since its inception. Now, it is feasible to design half‐bridge power modules based on 10‐kV SiC‐MOSFETs for higher current applications. This paves the way for many application areas for these devices, particularly for medium‐voltage and high‐power applications...
This paper proposes an improved indirect current control for utility interactive inverter system where an additional inner current loop is introduced without adding any additional sensor. By introducing the additional loop, cross-coupling terms in LCL filter plant is fully cancelled and the voltage regulation performance is improved. Additionally, the state-space model of the proposed controller is...
This paper presents a new control strategy for single-phase bidirectional converters. The converter can be operated as a rectifier, an inverter, and as a static VAR compensator, i.e. four-quadrant of operation. The key of this capability is the current controller of the converter. A new hysteresis current controller is proposed in this paper. The proposed hysteresis current controller can distribute...
An analysis and design of variable double-band hysteresis current controller for single-phase full-bridge bidirectional converters are presented in this paper. A variable double-band hysteresis is applied into bidirectional converter current controllers in order to improve dynamic response and reduce switching losses by increasing the switching frequency when inverter output current is relatively...
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