Multi-tank resonant topologies as key design factors for reliability improvement of power converter for power energy applications

Frivaldský, Michal; Dobrucký, Branislav; Koscelnik, Juraj

doi:10.1007/s00202-015-0336-3

Cited by 19 publications

(5 citation statements)

References 21 publications

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“…Thus, we can rewrite system equation (1) into matrix form (2) Discrete incremental model has been created using Euler's implicit metho given by formula in matri form (3) where…”

Section: Figure I Equivalent Circuit Of Lctlc Inverter With Rl Loadmentioning

confidence: 99%

“…The LCTLC inverter can be loaded by rectifier unlike the [10] with resistive or resistive-inductive load, Figure 4 Depending on type of rectifier switches (uni-or bidirectional ones) the rectifier can be operated in direct or regenerative modes. The mathematical model for rectified mode and dynamic states is very similar to the system equation given by (1) with the difference that initial conditions in time instant of the dynamical changes are not equal zero. The initial conditions will be given by actual values of steady state of the system.…”

Section: Dynamical Properties Of the System Under Step Load Changmentioning

confidence: 99%

“…One of the novel types of converters is LCTLC inverter [1] (Figure 1. ), loaded either by simple RL load or bridge connected rectifier.…”

Section: Introduction -Resonant Converter Mathematical Modelmentioning

confidence: 99%

“…EQUIVALENT CIRCUIT OF LCTLC INVERTER WITH RECTIFIER LOAD -UPPER: POSITIVE HALF PERIOD, BOTTOM: NEGATIVE HALF PERIODSince in positive half-period the state-space model is the same as described by(1), in the second i.e. negative halfperiod last two equations have to be changed.…”

mentioning

confidence: 99%

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Modelling of Dynamical Properties of a Resonant Converter under Step Frequence- and Loaded Converter Changes

Prazenica¹,

Kascak²,

Koscelnik³

et al. 2015

Proceedings of the 2015 International Conference on Modeling, Simulation and Applied Mathematics

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Paper deals with investigation of two problems: frequency step changes, and step switching-off of the load of LCTLC resonant inverter. Since the changes of frequency in the range from f min to f max are desirable to be the input current of the LCTLC circuit not greater than nominal one, the load changes cause dangerous overvoltage spikes. Modelling, theoretical analysis and computer simulation are used for the solution of those phenomena. Simulation experiment results confirming theoretical assumptions are given in the paper.

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“…Thus, we can rewrite system equation (1) into matrix form (2) Discrete incremental model has been created using Euler's implicit metho given by formula in matri form (3) where…”

Section: Figure I Equivalent Circuit Of Lctlc Inverter With Rl Loadmentioning

confidence: 99%

Section: Dynamical Properties Of the System Under Step Load Changmentioning

confidence: 99%

“…One of the novel types of converters is LCTLC inverter [1] (Figure 1. ), loaded either by simple RL load or bridge connected rectifier.…”

Section: Introduction -Resonant Converter Mathematical Modelmentioning

confidence: 99%

mentioning

confidence: 99%

See 2 more Smart Citations

Modelling of Dynamical Properties of a Resonant Converter under Step Frequence- and Loaded Converter Changes

Prazenica¹,

Kascak²,

Koscelnik³

et al. 2015

Proceedings of the 2015 International Conference on Modeling, Simulation and Applied Mathematics

Self Cite

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“…For supplying of induction motors, frequency converters with different types of structures and control methods are used [6,7].…”

Section: Introductionmentioning

confidence: 99%

Compensation of Torque-Producing Stator Current Error for Vector-Controlled Induction Motor Drives

2022

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This paper presents a detailed analysis of dynamic properties and accuracy issues of the torque-producing stator current control loop for vector-controlled induction motor drives. In this paper, a necessary mathematical description of vector control of an induction motor is shown with respect to the x-axis and y-axis current control in the rotating reference frame. A derivation of a steady-state error for the torque-producing stator current control scheme with and without a decoupling algorithm is described. The presented derivation and dynamic behavior of both these schemes were extensively tested in the MATLAB-SIMULINK software, considering different values for the moment of inertia. This solution was implemented in a DSC-based induction motor drive using a voltage source inverter to obtain experimental results. Moreover, the advantages of using the presented decoupling block for compensation of the problem are discussed at the end of the paper.

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Interactive Control System Proposal for High Switching Frequency Resonant Converters

Špánik

Frivaldský

Hock

et al. 2018

Lecture Notes in Electrical Engineering

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Multi-tank resonant topologies as key design factors for reliability improvement of power converter for power energy applications

Cited by 19 publications

References 21 publications

Modelling of Dynamical Properties of a Resonant Converter under Step Frequence- and Loaded Converter Changes

Modelling of Dynamical Properties of a Resonant Converter under Step Frequence- and Loaded Converter Changes

Compensation of Torque-Producing Stator Current Error for Vector-Controlled Induction Motor Drives

Interactive Control System Proposal for High Switching Frequency Resonant Converters

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