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The development process and experimental investigation of the multicell piezoelectric motor is presented in this paper. The proposed design consists of three individual cells integrated into the stator, double rotor, and a preload system. Those elements are combined into a symmetrical structure of the motor. The two new prototypes have been designed, simulated and tested. Finite element numerical analysis is carried out to obtain optimal dimensions of the individual cell in terms of generated vibrations and resonant frequencies of the structure. The results of the numerical analysis are compared with analytical calculations based on the equivalent circuit model. The stator of the motor was manufactured using a three-dimensional (3-D) printer using alumide material. Finally, the experimental tests were conducted and presented. Analytical, numerical and experimental results are in satisfactory agreement. Two new prototypes of the multicell piezoelectric motor exhibit torque-speed characteristics similar to the original while being cheaper and easier to manufacture.
Roland Ryndzionek; Lukasz Sienkiewicz; Michal Michna; Marek Chodnicki. Design Evolution of the Ultrasonic Piezoelectric Motor Using Three Rotating Mode Actuators. IEEE Access 2021, 9, 79416 -79423.
AMA StyleRoland Ryndzionek, Lukasz Sienkiewicz, Michal Michna, Marek Chodnicki. Design Evolution of the Ultrasonic Piezoelectric Motor Using Three Rotating Mode Actuators. IEEE Access. 2021; 9 ():79416-79423.
Chicago/Turabian StyleRoland Ryndzionek; Lukasz Sienkiewicz; Michal Michna; Marek Chodnicki. 2021. "Design Evolution of the Ultrasonic Piezoelectric Motor Using Three Rotating Mode Actuators." IEEE Access 9, no. : 79416-79423.
In this paper, the static and dynamic simulations, and mechanical-level Hardware-In-the-Loop (MHIL) laboratory testing methodology of prototype drive systems with energy-saving permanent-magnet electric motors, intended for use in modern construction cranes is proposed and described. This research was aimed at designing and constructing a new type of tower crane by Krupiński Cranes Company. The described research stage was necessary for validation of the selection of the drive system elements and confirmation of its compliance with applicable standards. The mechanical construction of the crane was not completed and unavailable at the time of testing. A verification of drive system parameters had to be performed in MHIL laboratory testing, in which it would be possible to simulate torque acting on the motor shaft. It was shown that the HIL simulation for a crane may be accurate and an effective approach in the development phase. The experimental tests of selected operating cycles of prototype crane drives were carried out. Experimental research was performed in the LINTE^2 laboratory of the Gdańsk University of Technology (Poland), where the MHIL simulator was developed. The most important component of the system was the dynamometer and its control system. Specialized software to control the dynamometer and to emulate the load subjected to the crane was developed. A series of tests related to electric motor environmental parameters was carried out.
Michał Michna; Filip Kutt; Łukasz Sienkiewicz; Roland Ryndzionek; Grzegorz Kostro; Dariusz Karkosiński; Bartłomiej Grochowski. Mechanical-Level Hardware-In-The-Loop and Simulation in Validation Testing of Prototype Tower Crane Drives. Energies 2020, 13, 5727 .
AMA StyleMichał Michna, Filip Kutt, Łukasz Sienkiewicz, Roland Ryndzionek, Grzegorz Kostro, Dariusz Karkosiński, Bartłomiej Grochowski. Mechanical-Level Hardware-In-The-Loop and Simulation in Validation Testing of Prototype Tower Crane Drives. Energies. 2020; 13 (21):5727.
Chicago/Turabian StyleMichał Michna; Filip Kutt; Łukasz Sienkiewicz; Roland Ryndzionek; Grzegorz Kostro; Dariusz Karkosiński; Bartłomiej Grochowski. 2020. "Mechanical-Level Hardware-In-The-Loop and Simulation in Validation Testing of Prototype Tower Crane Drives." Energies 13, no. 21: 5727.
This article presents a comparison between integer and non-integer order modelling of a synchronous generator, in the frequency domain as well as in the time domain. The classical integer order model was compared to one containing half-order systems. The half-order systems are represented in a Park d-q axis equivalent circuit as impedances modelled by half-order transmittances. Using a direct method based on the approximation of the half-order derivatives by the Grünwald–Letnikov definition, a state-space equation system was solved. For both models, a computational program written in Matlab® software was used. For the purpose of time domain simulation, the machine models were connected to an electric load composed of an RL circuit. To validate and compare both models, simulation results of a three-phase short-circuit and a no-load voltage recovery were compared with corresponding measurements performed on a solid salient-pole synchronous generator of 125 kVA.
Szymon Racewicz; Filip Kutt; Michał Michna; Łukasz Sienkiewicz. Comparative Study of Integer and Non-Integer Order Models of Synchronous Generator. Energies 2020, 13, 4416 .
AMA StyleSzymon Racewicz, Filip Kutt, Michał Michna, Łukasz Sienkiewicz. Comparative Study of Integer and Non-Integer Order Models of Synchronous Generator. Energies. 2020; 13 (17):4416.
Chicago/Turabian StyleSzymon Racewicz; Filip Kutt; Michał Michna; Łukasz Sienkiewicz. 2020. "Comparative Study of Integer and Non-Integer Order Models of Synchronous Generator." Energies 13, no. 17: 4416.
This paper presents a prototype of high speed brushless synchronous generators (BSG) design for the application in autonomous electric power generation systems (e.g., airplane power grid). Commonly used salient pole field of the main generator part of BSG was replaced with a prototype non-salient pole field. The main objective of the research is an investigation into the advantages and disadvantages of a cylindrical field of the main generator part of BSG over the original salient pole field. The design process of the prototype generator is presented with a focus on the electromagnetic and mechanical finite element method (FEM) analysis. The measurements of prototype and commercial BSG were conducted for the nominal speed of 8 krpm. The advantages and disadvantages of the proposed solution were established based on measurements in load and no-load conditions.
Filip Kutt; Michał Michna; Grzegorz Kostro. Non-Salient Brushless Synchronous Generator Main Exciter Design for More Electric Aircraft. Energies 2020, 13, 2696 .
AMA StyleFilip Kutt, Michał Michna, Grzegorz Kostro. Non-Salient Brushless Synchronous Generator Main Exciter Design for More Electric Aircraft. Energies. 2020; 13 (11):2696.
Chicago/Turabian StyleFilip Kutt; Michał Michna; Grzegorz Kostro. 2020. "Non-Salient Brushless Synchronous Generator Main Exciter Design for More Electric Aircraft." Energies 13, no. 11: 2696.
The magnetizing inductance of the medium frequency transformer (MFT) impacts the performance of the isolated dc-dc power converters. The ferrite material is considered for high power transformers but it requires an assembly of type “I” cores resulting in a multi air gap structure of the magnetic core. The authors claim that the multiple air gaps are randomly distributed and that the average air gap length is unpredictable at the industrial design stage. As a consequence, the required effective magnetic permeability and the magnetizing inductance are difficult to achieve within reasonable error margins. This article presents the measurements of the equivalent B(H) and the equivalent magnetic permeability of two three-phase MFT prototypes. The measured equivalent B(H) is used in an FEM simulation and compared against a no load test of a 100 kW isolated dc-dc converter showing a good fit within a 10% error. Further analysis leads to the demonstration that the equivalent magnetic permeability and the average air gap length are nonlinear functions of the number of air gaps. The proposed exponential scaling function enables rapid estimation of the magnetizing inductance based on the ferrite material datasheet only.
Piotr Dworakowski; Andrzej Wilk; Michal Michna; Bruno Lefebvre; Fabien Sixdenier; Michel Mermet-Guyennet. Effective Permeability of Multi Air Gap Ferrite Core 3-Phase Medium Frequency Transformer in Isolated DC-DC Converters. Energies 2020, 13, 1352 .
AMA StylePiotr Dworakowski, Andrzej Wilk, Michal Michna, Bruno Lefebvre, Fabien Sixdenier, Michel Mermet-Guyennet. Effective Permeability of Multi Air Gap Ferrite Core 3-Phase Medium Frequency Transformer in Isolated DC-DC Converters. Energies. 2020; 13 (6):1352.
Chicago/Turabian StylePiotr Dworakowski; Andrzej Wilk; Michal Michna; Bruno Lefebvre; Fabien Sixdenier; Michel Mermet-Guyennet. 2020. "Effective Permeability of Multi Air Gap Ferrite Core 3-Phase Medium Frequency Transformer in Isolated DC-DC Converters." Energies 13, no. 6: 1352.
This paper represents a numerical and experimental investigation of the multicell piezoelectric motor. The proposed design consists of three individual cells that are integrated into the stator, double rotor, and a preload system combined into a symmetrical structure of the motor. Each of the cells is characterized by a traveling wave and rotating mode motor. A finite element numerical analysis is carried out to obtain optimal geometrical dimensions of the individual cell in terms of generated vibrations and resonant frequencies of the structure. The results of the numerical analysis are compared with analytical calculations based on the equivalent circuit theory. Experimental tests are also presented, including laser interferometry measurements of vibrations generated at the surface of the stator, impedance analysis, as well as measurements of mechanical characteristics of the complete motor. The final stage of the study concludes that the presented motor can provide relatively high torque compared with other traveling wave rotary motors.
Roland Ryndzionek; Łukasz Sienkiewicz; Michał Michna; Filip Kutt. Design and Experiments of a Piezoelectric Motor Using Three Rotating Mode Actuators. Sensors 2019, 19, 5184 .
AMA StyleRoland Ryndzionek, Łukasz Sienkiewicz, Michał Michna, Filip Kutt. Design and Experiments of a Piezoelectric Motor Using Three Rotating Mode Actuators. Sensors. 2019; 19 (23):5184.
Chicago/Turabian StyleRoland Ryndzionek; Łukasz Sienkiewicz; Michał Michna; Filip Kutt. 2019. "Design and Experiments of a Piezoelectric Motor Using Three Rotating Mode Actuators." Sensors 19, no. 23: 5184.
The paper describes a synchronous generator model developed based on the multiple reference frame theory. The main physical phenomena included in the model are the machine armature non-sinusoidal voltage waveform and the influence of armature current in load conditions on the armature voltage waveform higher harmonic components. The modified multiple reference frame theory model is proposed. In this modified theory model the field and armature currents are the cause of the non-sinusoidal airgap spatial field distribution. The influence of this airgap spatial field distribution is also investigated. The resulting nonuniform saturation of the pole shoe affects the machine voltage waveform in load conditions. Simulation and measurements of the machine performance in steady and transient states are conducted in order to validate the model.
Filip Kutt; Michal Michna; Grzegorz Andrzej Kostro. Multiple Reference Frame Theory in the Synchronous Generator Model Considering Harmonic Distortions Caused by Nonuniform Pole Shoe Saturation. IEEE Transactions on Energy Conversion 2019, 35, 166 -173.
AMA StyleFilip Kutt, Michal Michna, Grzegorz Andrzej Kostro. Multiple Reference Frame Theory in the Synchronous Generator Model Considering Harmonic Distortions Caused by Nonuniform Pole Shoe Saturation. IEEE Transactions on Energy Conversion. 2019; 35 (1):166-173.
Chicago/Turabian StyleFilip Kutt; Michal Michna; Grzegorz Andrzej Kostro. 2019. "Multiple Reference Frame Theory in the Synchronous Generator Model Considering Harmonic Distortions Caused by Nonuniform Pole Shoe Saturation." IEEE Transactions on Energy Conversion 35, no. 1: 166-173.
This paper presents the design, modeling, and tests of the prototype multicell piezoelectric motor (MPM). A new concept of the electromechanical structure of the considered prototype is based on three rotating-mode actuators. The electromechanical structure of each actuator has been considered as an independent one—referred to as a “single cell” (single actuator). Combined three resonant actuators generate three traveling waves that as a result improve the stability and performance of the MPM. The results of research carried out using analytical, simulation, and experimental methods cover the torque versus speed characteristics of the prototype MPM.
Roland Ryndzionek; Michal Michna; Mieczyslaw Ronkowski; Jean-Francois Rouchon. Chosen Analysis Results of the Prototype Multicell Piezoelectric Motor. IEEE/ASME Transactions on Mechatronics 2018, 23, 2178 -2185.
AMA StyleRoland Ryndzionek, Michal Michna, Mieczyslaw Ronkowski, Jean-Francois Rouchon. Chosen Analysis Results of the Prototype Multicell Piezoelectric Motor. IEEE/ASME Transactions on Mechatronics. 2018; 23 (5):2178-2185.
Chicago/Turabian StyleRoland Ryndzionek; Michal Michna; Mieczyslaw Ronkowski; Jean-Francois Rouchon. 2018. "Chosen Analysis Results of the Prototype Multicell Piezoelectric Motor." IEEE/ASME Transactions on Mechatronics 23, no. 5: 2178-2185.
The paper presents the results of experimental studies of the medium frequency transformer. The object of the research was a prototype of a single-phase transformer with a core made of ferrite I-core elements and windings made of Litz conductors. The research was carried out to determine the parameters of the transformer's mathematical model. The scope of the tests included determining the magnetic hysteresis loop and measuring the winding impedance. The magnetic hysteresis loop has been included in the transformer model using a static Preisach model with feedback. The simulation results were compared with the measurement results.
Michał Michna; Andrzej Wilk; Piotr Dworakowski; Bruno Lefebvre. Determination of Mathematical Model Parameters of a Medium Frequency Transformer. 2018 International Symposium on Electrical Machines (SME) 2018, 1 -5.
AMA StyleMichał Michna, Andrzej Wilk, Piotr Dworakowski, Bruno Lefebvre. Determination of Mathematical Model Parameters of a Medium Frequency Transformer. 2018 International Symposium on Electrical Machines (SME). 2018; ():1-5.
Chicago/Turabian StyleMichał Michna; Andrzej Wilk; Piotr Dworakowski; Bruno Lefebvre. 2018. "Determination of Mathematical Model Parameters of a Medium Frequency Transformer." 2018 International Symposium on Electrical Machines (SME) , no. : 1-5.
The paper presents results of an analysis of inter-turn fault effects on the voltage and current waveforms of a capacitor discharge through transformer windings. The research was conducted in the frame of the Facility of Antiproton and Ion Research project which goal is to build a new international accelerator facility that utilizes superconducting magnets. For the sake of electrical quality assurance of the superconducting magnet circuits, a measurement and diagnostic system is currently under development at Gdansk University of Technology (GUT). Appropriate measurements and simulations of the special transformer system were performed to verify the proposed diagnostic method. In order to take into account the nonlinearity and hysteresis of the magnetic yoke, a novel mathematical model of the transformer was developed. A special test bench was constructed to emulate the inter-turn faults within transformer windings.
Michał Michna; Andrzej Wilk; Michał Ziółko; Marek Wołoszyk; Leon Swędrowski; Piotr Szwangruber. Detection of inter-turn faults in transformer winding using the capacitor discharge method. Open Physics 2017, 15, 979 -983.
AMA StyleMichał Michna, Andrzej Wilk, Michał Ziółko, Marek Wołoszyk, Leon Swędrowski, Piotr Szwangruber. Detection of inter-turn faults in transformer winding using the capacitor discharge method. Open Physics. 2017; 15 (1):979-983.
Chicago/Turabian StyleMichał Michna; Andrzej Wilk; Michał Ziółko; Marek Wołoszyk; Leon Swędrowski; Piotr Szwangruber. 2017. "Detection of inter-turn faults in transformer winding using the capacitor discharge method." Open Physics 15, no. 1: 979-983.
The paper presents the results of an analysis of the inter-turn fault effects on the voltage and current waveform of the capacitor discharge through transformer winding. The research was done within the FAIR project for which a measuring and diagnostic system for testing the condition of electrical circuits of superconducting electromagnets system is being developed. Appropriate measurements and simulations of special transformer system were made to verify the proposed diagnosis method. A mathematical model was developed considering the nonlinearity and hysteresis of the transformer magnetic core. The special test bench was made to emulate the inter-turn faults in transformer windings.
Michal Michna; Andrzej Wilk; Michal Ziolko; Marek Woloszyk; Leon Swedrowski; Piotr Szwangruber. Investigation of inter-turn fault in transformer winding using discharge method. 2017 18th International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering (ISEF) Book of Abstracts 2017, 1 -2.
AMA StyleMichal Michna, Andrzej Wilk, Michal Ziolko, Marek Woloszyk, Leon Swedrowski, Piotr Szwangruber. Investigation of inter-turn fault in transformer winding using discharge method. 2017 18th International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering (ISEF) Book of Abstracts. 2017; ():1-2.
Chicago/Turabian StyleMichal Michna; Andrzej Wilk; Michal Ziolko; Marek Woloszyk; Leon Swedrowski; Piotr Szwangruber. 2017. "Investigation of inter-turn fault in transformer winding using discharge method." 2017 18th International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering (ISEF) Book of Abstracts , no. : 1-2.
This paper presents the mathematical model of a single-phase multi-winding core type transformer taking into account magnetic hysteresis phenomenon based on the feedback Preisach model (FPM). The set of loop differential equations was developed for a K-th winding transformer model where the flux linkages of each winding includes flux Φ common to all windings as a function of magneto motive force Θ of all windings. The first purpose of this paper is to implement a hysteresis nonlinearity involved in the Φ(Θ) function which also accounts residual magnetic flux. The second purpose of this paper is experimental validation of the developed transformer model in a capacitor discharge test and several different values of residual magnetic flux.
Andrzej Wilk; Michał Michna. Simulation of the remanence influence on the transient states in a single-phase multiwinding transformer. Archives of Electrical Engineering 2017, 66, 41 -54.
AMA StyleAndrzej Wilk, Michał Michna. Simulation of the remanence influence on the transient states in a single-phase multiwinding transformer. Archives of Electrical Engineering. 2017; 66 (1):41-54.
Chicago/Turabian StyleAndrzej Wilk; Michał Michna. 2017. "Simulation of the remanence influence on the transient states in a single-phase multiwinding transformer." Archives of Electrical Engineering 66, no. 1: 41-54.
In this paper a synchronous generator model is described. This model is developed on the assumption that in loaded and no load conditions the saturation effect affects the pole shoe in a different way. The developed model is based on the multiple saliency model and is formulated using winding function approach in machine variables. The influence of the non-uniform saturation of the pole shoe in load conditions on the performance of the generator is investigated. Simulation results of the model are compared with the measurements on selected salient pole synchronous generator for steady and transient states.
F. Kutt; M. Michna; G. Kostro; M. Ronkowski. Modelling of steady state and transient performance of the synchronous generator considering harmonic distortions caused by non-uniform saturation of the pole shoe. Electric Power Systems Research 2017, 143, 409 -414.
AMA StyleF. Kutt, M. Michna, G. Kostro, M. Ronkowski. Modelling of steady state and transient performance of the synchronous generator considering harmonic distortions caused by non-uniform saturation of the pole shoe. Electric Power Systems Research. 2017; 143 ():409-414.
Chicago/Turabian StyleF. Kutt; M. Michna; G. Kostro; M. Ronkowski. 2017. "Modelling of steady state and transient performance of the synchronous generator considering harmonic distortions caused by non-uniform saturation of the pole shoe." Electric Power Systems Research 143, no. : 409-414.
The paper presents a concept, a construction, a circuit model and experimental results of the double-rotor induction motor. This type of a motor is to be implemented in the concept of the electromagnetic differential. At the same time it should fulfill the function of differential mechanism and the vehicle drive. One of the motor shafts is coupled to the direction changing mechanical transmission. The windings of the external rotor are powered by slip rings and brushes. The inner rotor has the squirrel-cage windings. The circuit model parameters were calculated based on the 7.5 kW real single-rotor induction motor (2p = 4). Experimental verification of the model was based on comparison between the mentioned single-rotor motor and double-rotor model with the outer rotor blocked. The presented results showed relatively good compliance between the model and real motor.
Dominik Adamczyk; Andrzej Wilk; Michal Michna. Model of the double-rotor induction motor in terms of electromagnetic differential. Archives of Electrical Engineering 2016, 65, 761 -772.
AMA StyleDominik Adamczyk, Andrzej Wilk, Michal Michna. Model of the double-rotor induction motor in terms of electromagnetic differential. Archives of Electrical Engineering. 2016; 65 (4):761-772.
Chicago/Turabian StyleDominik Adamczyk; Andrzej Wilk; Michal Michna. 2016. "Model of the double-rotor induction motor in terms of electromagnetic differential." Archives of Electrical Engineering 65, no. 4: 761-772.
The paper presents a simplified method for modelling non-linearity of the magnetic circuit of the power transformer. The saturation effect is implemented by describing the self and mutual inductances as a function of the magnetic flux. The most important element of this function is the saturation coefficient which is calculated based on transient state during the unloaded transformer switch on. The transformer model is described using the MAST hardware description language in Synopsys Saber simulator. Table Look-Up tool is used to define the saturation coefficient in function of the flux magnitude in per units. The simulation and measurements results were compared in order to verify modelling method.
F. Kutt; M. Michna; R. Malkowski; M. Losinski. Simplified saturation modelling in three-leg power transformer for the system stability analisys. 2016 10th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG) 2016, 100 -103.
AMA StyleF. Kutt, M. Michna, R. Malkowski, M. Losinski. Simplified saturation modelling in three-leg power transformer for the system stability analisys. 2016 10th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG). 2016; ():100-103.
Chicago/Turabian StyleF. Kutt; M. Michna; R. Malkowski; M. Losinski. 2016. "Simplified saturation modelling in three-leg power transformer for the system stability analisys." 2016 10th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG) , no. : 100-103.
This paper presents the scalar dynamic magnetic hysteresis model based on the Preisach theory. The important role in this theory played hysteresis operator states. The changes of these operators' states are not immediate in the dynamic model but they are a function of time and parameter k representing the magnetic properties of the material. In this paper the transient state of the hysteresis operator is defined by the nonlinear first order differential equation. The implementation of the dynamic hysteresis is additionally associated with feedback hysteresis model. This allows for obtaining a more accurate model for low and high magnetization frequencies. The material parameter k was determined for the toroidal tape wound core made of anisotropic sheet steel ET114-27. This paper presents the magnetic hysteresis loop simulation results for the different magnetization frequencies.
Andrzej Wilk; Michal Michna. The dynamic model of magnetic hysteresis. 2015 IEEE International Conference on Industrial Technology (ICIT) 2015, 840 -843.
AMA StyleAndrzej Wilk, Michal Michna. The dynamic model of magnetic hysteresis. 2015 IEEE International Conference on Industrial Technology (ICIT). 2015; ():840-843.
Chicago/Turabian StyleAndrzej Wilk; Michal Michna. 2015. "The dynamic model of magnetic hysteresis." 2015 IEEE International Conference on Industrial Technology (ICIT) , no. : 840-843.
This paper presents analytical model of the multiceli piezoelectric motor. The results, obtained in the field of piezoelectric motors, have pointed out that these motors have potentially high possibilities in the future of special applications. The studied multicell piezoelectric motor have a stator using three rotating mode actuators. A theoretical analysis of operating principle of the rotating mode motor has been described. Additionally the stator/rotor friction contact has been considered. Using the analytical model some electromechanical characteristics of the considered multicell piezoelectric motor have been computed. Finally, computed and measured characteristics have been compared.
R. Ryndzionek; M. Michna; M. Ronkowski; J-F. Rouchon. Analytical modelling of the multiceli piezoelectric motor based on three resonance actuators. IECON 2014 - 40th Annual Conference of the IEEE Industrial Electronics Society 2014, 2701 -2705.
AMA StyleR. Ryndzionek, M. Michna, M. Ronkowski, J-F. Rouchon. Analytical modelling of the multiceli piezoelectric motor based on three resonance actuators. IECON 2014 - 40th Annual Conference of the IEEE Industrial Electronics Society. 2014; ():2701-2705.
Chicago/Turabian StyleR. Ryndzionek; M. Michna; M. Ronkowski; J-F. Rouchon. 2014. "Analytical modelling of the multiceli piezoelectric motor based on three resonance actuators." IECON 2014 - 40th Annual Conference of the IEEE Industrial Electronics Society , no. : 2701-2705.
In this paper the Standstill Frequency Response characteristics (SSFR) of saturated synchronous generator (SG) have been calculated using Finite Element Method (FEM) analysis. In order to validate proposed approach for unsaturated conditions FEM simulation from Flux2D software has been compared with the measurements performed on the 10 kVA, 4-poles synchronous machine ELMOR GCe64a of salient rotor construction, equipped with a damper winding. Then, using the validated FEM model SSFR characteristics of the saturated machine have been recalculated by performing the FEM simulations with the variation of the magnetic permeability parameter.
Filip Kutt; Szymon Racewicz; Michał Michna. SSFR test of synchronous machine for different saturation levels using finite-element method. IECON 2014 - 40th Annual Conference of the IEEE Industrial Electronics Society 2014, 907 -911.
AMA StyleFilip Kutt, Szymon Racewicz, Michał Michna. SSFR test of synchronous machine for different saturation levels using finite-element method. IECON 2014 - 40th Annual Conference of the IEEE Industrial Electronics Society. 2014; ():907-911.
Chicago/Turabian StyleFilip Kutt; Szymon Racewicz; Michał Michna. 2014. "SSFR test of synchronous machine for different saturation levels using finite-element method." IECON 2014 - 40th Annual Conference of the IEEE Industrial Electronics Society , no. : 907-911.
For the evaluation of modern electric power systems with regard to their behavior, weight, and reliability a novel modeling and simulation tools have been developed. The paper presents circuit model of synchronous generator taking into account both the non-sinusoidal distribution of the stator and rotor winding, and non-uniform saturation of the pole shoes. This model is suitable for simulation of both salient and no-salient pole generators. Winding function approach is used to define the self and mutual inductance which has enabled to take into account the non-sinusoidal distribution of stator and rotor windings. The equivalent airgap length distribution function is used to model the shape of the salient pole rotor and non-uniform saturation of the pole shoe. Simulation and experimental tests were carried out to validate this modeling method. The developed model can be used to analyze an autonomous power systems, in which a single generator has a significant impact on the power quality.
F. Kutt; M. Michna; G. Kostro; M. Ronkowski; D. Adamczyk. Synchronous generator model taking into account the non-uniform saturation of the pole shoes. 2014 International Conference on Electrical Machines (ICEM) 2014, 290 -296.
AMA StyleF. Kutt, M. Michna, G. Kostro, M. Ronkowski, D. Adamczyk. Synchronous generator model taking into account the non-uniform saturation of the pole shoes. 2014 International Conference on Electrical Machines (ICEM). 2014; ():290-296.
Chicago/Turabian StyleF. Kutt; M. Michna; G. Kostro; M. Ronkowski; D. Adamczyk. 2014. "Synchronous generator model taking into account the non-uniform saturation of the pole shoes." 2014 International Conference on Electrical Machines (ICEM) , no. : 290-296.
This paper presents the nonlinear lookup table model for synchronous generator (SG) analysis. The saturation effects of the SG magnetic circuit have been considered. The saturated characteristic of the SG magnetic circuit are based on the open circuit saturation curve for magnetizing inductances. The model has been implemented into the Synopsys/Saber software using the MAST modelling language. To implement the no-load voltage characteristic of SG into the MAST model the table look-up tool has been used. Normal and fault operation of SG can be effectively studied. Developed model exhibits a network with the same number of external terminals as the real SG and represents its behaviour in terms of the electrical and mechanical variables as well. Accuracy and robustness of the nonlinear lookup table modelling approach has been confirmed by measurements performed on the 3 kVA synchronous generator.
Michał Michna; F. Kutt; S. Racewicz; M. Ronkowski. Nonlinear model of synchronous generator for autonomous electrical power systems analysis. 2014 IEEE 23rd International Symposium on Industrial Electronics (ISIE) 2014, 853 -858.
AMA StyleMichał Michna, F. Kutt, S. Racewicz, M. Ronkowski. Nonlinear model of synchronous generator for autonomous electrical power systems analysis. 2014 IEEE 23rd International Symposium on Industrial Electronics (ISIE). 2014; ():853-858.
Chicago/Turabian StyleMichał Michna; F. Kutt; S. Racewicz; M. Ronkowski. 2014. "Nonlinear model of synchronous generator for autonomous electrical power systems analysis." 2014 IEEE 23rd International Symposium on Industrial Electronics (ISIE) , no. : 853-858.