Modeling and advanced control of wireless power transfer system with Z-source inverter

Wang, Tianfeng; Liu, Xin; Tang, Houjun; Dong, Yayun; Yang, Xijun

doi:10.1109/spec.2016.7845998

Cited by 8 publications

(3 citation statements)

References 13 publications

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“…Quasi Z source network more often is used in DC-DC converters [19][20][21][22][23][24] or in DC-AC inverters to produce sinusoidal voltage [25][26][27]. The Z-source or quasi Z-source converters for WPT are analyzed in [28][29][30][31][32][33], the converter is used for both inductive and capacitive power transfer, also for Power Factor Correction (PFC) [34]. In these scientific papers also practical results are demonstrated on small scale experimental prototypes, but high efficiency of such converter is not reported.…”

Section: Fig 5 Quasi Z Source Resonant Converter For Wptmentioning

confidence: 99%

Simulation based analysis of quasi Z-source converter for wireless power transfer

Kroics

2019

Engineering for Rural Development

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Implementation of Wireless Power Transfer (WPT) allows avoid connection by using wires to transfer energy between the power source and load. This allows development of devices that are more users friendly and easy in the exploitation. Elimination of the galvanic connection between the charging station and the energy consumer simplifies the charging process and removes safety concerns. In this paper an insight is given into basics of WPT theory to show why often an additional DC-DC converter at the WPT converter input is used and why the Z-source converter can be useful for this application. It is explained why application of an additional converter can give additional increase of the efficiency. The paper presents deeper analysis of scientific papers about Z-source network application in WPT systems that allows eliminate utilization of the additional converter but allows to regulate the input voltage. In the paper simplified explanation of quasi Z-source converter operation in boost mode is given. Based on this explanation it is easier to understand operation of the quasi Zsource converter and usefulness of application of this topology in WPT applications. Simulation of the quasi Zsource based WPT converter is performed and the simulation resulting waveforms show that it is possible to regulate the DC bus voltage and supply the energy to the system output with Z-source based WPT simultaneously, without adding extra semiconductor devices and very complex control circuitry to the conventional WPT system. These simulation results show that the quasi Z-source converter for WPT can regulate the DC bus voltage and transfer power to the load with relatively simple control. The waveforms of the control signals and current, and voltage waveforms are given. The Z-source topology analysed in this paper offers significant benefits, therefore, scientific research to improve and optimize this topology is needed further in order to meet the EMI standards, reduce switching losses with implementation of soft switching, optimize passive components, develop new control strategies and to increase the system efficiency. By overcoming these issues, the Z-source topology can become very attractive for WPT systems.

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Section: Fig 5 Quasi Z Source Resonant Converter For Wptmentioning

confidence: 99%

Simulation based analysis of quasi Z-source converter for wireless power transfer

Kroics

2019

Engineering for Rural Development

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“…3 [19][20][21][22][23][24]. During this state, capacitors are charged from rectified dc voltage and inductors.…”

Section: Operation During Active State or Non-boost Modementioning

confidence: 99%

“…The dc output voltage Vi of the Z-source network is converted into a high frequency single phase ac voltage by an IGBTs-based full-bridge resonant inverter for CPT system. In the present CPT system, series-parallel (SP) compensation topology has been used [19][20][21][22][23]. Analysis of the Z-source network along with the CPT system has been described below.…”

Section: Introductionmentioning

confidence: 99%

A new circuit topology using Z-source resonant inverter for high power contactless power transfer applications

Ghosh

Sadhu

Ghosh

et al. 2017

Archives of Electrical Engineering

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Abstract:In this study, a new circuit topology using a Z-source resonant inverter (ZSRI) for high power applications in large-air-gap contactless power transfer (CPT) systems, has been investigated. The main shortcoming of a large-air-gap CPT system is the poor power transfer efficiency due to low magnetic coupling. In order to minimize this shortcoming and to improve the overall performance of the system by boosting the power transfer capability, in this paper a CPT system with the newly developed circuit topology using high frequency Z-source resonant inverter has been proposed. Using the newly developed circuit topology for the CPT system, it has been observed that the overall performance of the system has been improved to a reasonable level with a purely sinusoidal resonant current flowing through the primary side. Therefore, no harmonics will be injected into the source. The proposed CPT system with an air gap of 16 cm and a misalignment of 3 cm has been simulated using the Maxwell finite element tool and Simplorer circuit simulation software for an output power of 2 kW.

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Hardware Implementation of PV Z Source Inverter Using Maximum Boost Control Method

Panda

Pati

Panda

2019

Smart Intelligent Computing and Applications

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Modeling and advanced control of wireless power transfer system with Z-source inverter

Cited by 8 publications

References 13 publications

Simulation based analysis of quasi Z-source converter for wireless power transfer

Simulation based analysis of quasi Z-source converter for wireless power transfer

A new circuit topology using Z-source resonant inverter for high power contactless power transfer applications

Hardware Implementation of PV Z Source Inverter Using Maximum Boost Control Method

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