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View article: Assessment of Efficiency and Reliability of Wide Band-Gap Based H8 Inverter in Electric Vehicle Applications
Assessment of Efficiency and Reliability of Wide Band-Gap Based H8 Inverter in Electric Vehicle Applications Open
This paper analyzes the performance of a three-phase converter architecture with a reduced common mode voltage to be used in electric motor drives. Starting from the classical three-phase bridge architecture, two additional switches are in…
View article: H8 architecture for reduced common-mode voltage three-phase PV converters with silicon and SiC power switches
H8 architecture for reduced common-mode voltage three-phase PV converters with silicon and SiC power switches Open
This paper presents a three-phase converter architecture with a reduced common mode voltage to be used in photovoltaic power systems. The full-bridge architecture is modified by adding two additional switches in the DC path that allow deco…
View article: H8 Converter: A Three-Phase Transformerless Inverter with Reduced Common-Mode Voltage
H8 Converter: A Three-Phase Transformerless Inverter with Reduced Common-Mode Voltage Open
This thesis presents the development of a novel architecture of DC/AC three-phase converter, addressed to as “H8”. Key feature of the project is the reduction of the common mode voltage (CMV) in a transformerless converter. This follows th…
View article: Investigation on the common mode currents in a smart transformer-fed low-voltage grid
Investigation on the common mode currents in a smart transformer-fed low-voltage grid Open
The Smart Transformer (ST) represents an enabling technology for providing new services to Low Voltage (LV) and Medium Voltage (MV) grid, overcoming the problems that are limiting the widespread diffusion of distributed renewable sources i…
View article: Comparison of flux observers for sensorless control of permanent magnet assisted SynRel motors
Comparison of flux observers for sensorless control of permanent magnet assisted SynRel motors Open
This paper proposes the comparison among different sensorless position estimation strategies suitable for permanent magnet assisted synchronous reluctance machine drives. A machine of such type was designed and optimized aiming at improvin…
View article: Multi-frequency power routing for cascaded H-bridge inverters in smart transformer application
Multi-frequency power routing for cascaded H-bridge inverters in smart transformer application Open
The smart transformer is a solid state transformer with advanced control functionalities that can efficiently manage a low-voltage micro-grid by also supporting the medium-voltage grid. Cascaded H-bridge (CHB) converters proved to be a sui…
View article: H8 Inverter for Common-Mode Voltage Reduction in Electric Drives
H8 Inverter for Common-Mode Voltage Reduction in Electric Drives Open
This paper presents a modified two-level three-phase inverter for the reduction of the leakage current. With respect to a traditional two-level inverter, the proposed solution reduces the common-mode voltage (CMV), both in amplitude and fr…
View article: A novel three-phase inverter for common-mode voltage reduction in electric drives
A novel three-phase inverter for common-mode voltage reduction in electric drives Open
This paper presents an active solution for the elimination of the leakage current, in a three-phase PWM inverter drive. With respect to a traditional three-phase bridge, the proposed solution reduces the common-mode voltage variations, bot…