Control of the Z-Source Inverter for FCHEV with the Battery Connected to the Motor Neutral Point

A comparison between different inverter topologies has been carried out and their suitability assessed for application as a driver unit of the asynchronous machine for an automotive electrical power steering system. The proposed topologies provide higher voltage levels to the machine compared to the voltage levels obtained directly from the automotive electrical power net and also provide a reduced slope of the input current drawn from the automotive electrical power net by utilizing an additional double layer capacitor as integrated energy storage device. The comparison includes an inverter with additional boost converter, an inverter with integrated boost converter and a third topology with integrated boost converter and modified driving scheme. A detailed analysis has been performed to determine the overall losses and most suitable topologies have been built and tested to prove theoretical predictions. Experimental results are in good correlation with theoretical predictions.

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“…8 [7] - [10]. The automotive power net and hence the battery, is connected to the star point of the asynchronous machine.…”

Section: A Inverter With Integrated Convertermentioning

confidence: 99%

Comparison of topologies to drive the machine of an automotive electrical power steering with higher voltage levels

Hackner

Pforr

2009

2009 IEEE Energy Conversion Congress and Exposition

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“…However, both these techniques showcase ripples at high torque, are able to flux value and result in high acoustic noise. Power electronics has been acquainted with a recent development as per which steps have been take to improve the level of inverter and uplift its status rather than the mere increase of its filter [2,3,4]. By using single or multiple DC voltage sources, the Multi-level inverter is able to integrate a vital output voltage which produces 'n' output levels.…”

Section: Introductionmentioning

confidence: 99%

“…Z-source MLI is capable of boosting the voltage as it comprises of an impedance circuit which forms a link between the power source and inverter circuitry. This distinctive feature cannot be replicated in the traditional Voltage Source Inverter (VSI), which utilizes a capacitor and Current Source Inverter (CSI) [2,3]. This work aims to present a novel multilevel inverter system for Induction Motor, by conveniently using Z network to boost operation between the DC source and circuitry of the inverter.…”

Section: Introductionmentioning

confidence: 99%

Design and analysis of Z-source based 7 level cascaded multi level inverter for induction motor

Xavier¹,

Vairamani²,

Senthamil³

2017

IEICE Electron. Express

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Multilevel inverter, a powerful electronic device capable of supplying desired alternating voltage level, is a renowned device majorly employed in appliances such as UPS systems, huge drives of induction motors as well as Transmission Systems. Multilevel inverters acquires the wanted output of their voltage from varied DC voltage sources. Thus, the number of DC voltage sources is directly proportional to the level of output voltage procured by the inverter. Multilevel inverters are constituted with several major advantages like, better harmonic performance, lower semiconductor voltage stress, lower Electro Magnetic Interference (EMI) and diminished losses on account of switching. However, in spite of these, their output voltage runs in accordance with the input from DC sources. Hence, to avoid such limitation there is requirement for an intermediate DC to DC converter in order to boost the working of the MLI output voltage. Thus, in accordance with the above limitation, a seven-level cascaded Z-source based multilevel inverter is proposed for this task. MATLAB/Simulink power system toolbox has been employed for the proposed system, in consequent of which experimental findings are analyzed to attest the efficiency of the method.

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“…Z-source converter (ZSC) a novel power converter with both buck and boost capabilities was first proposed in 2002 [10]. The benefits of the Z-source inverter (ZSI) are lower costs, lower complexity, higher reliability and higher efficiency compared to traditional inverters [11]. Most recent publications have focused on modified pulse width modulation (PWM) switching algorithms for Z-source inverter [10,12].…”

Section: Introductionmentioning

confidence: 99%

Generalized space vector controls for MLZSI

Oskouei

Dehghanzadeh

2015

Ain Shams Engineering Journal

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This paper proposes two advanced algorithms for multilevel Z-source inverter (MLZSI), which employ space vector control (SVC) as control algorithm of cascaded H-bridge multilevel Z-source inverter; where output voltage is achieved by summing the output voltages of bridge. In these algorithms different states to generate the same voltage with low THD, as the purpose, are verified and the suitable one is selected. This method is simple and has appropriate performance, where sample time is set quietly. Use of Z-network allows the inverter to generate a wide range of output voltage with high reliability. The accuracy of suggested algorithms is validated with simulation results using MATLAB/SIMULINK software and experimental results based PCI-1716 data acquisition system. Ó 2015 Faculty of Engineering, Ain Shams University. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Control of the Z-Source Inverter for FCHEV with the Battery Connected to the Motor Neutral Point

Cited by 22 publications

References 8 publications

Comparison of topologies to drive the machine of an automotive electrical power steering with higher voltage levels

Comparison of topologies to drive the machine of an automotive electrical power steering with higher voltage levels

Design and analysis of Z-source based 7 level cascaded multi level inverter for induction motor

Generalized space vector controls for MLZSI

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