Pub Date : 2015-08-13DOI: 10.1109/WEMDCD.2015.7194530
S. Staudt, A. Stock, T. Kowalski, J. Teigelkotter, K. Lang
Due to simple mechanical design, resulting in low manufacturing costs, combined with high efficiency and power density, the synchronous reluctance machine (SynRM) is continuously establishing itself as an important machine type for inverter-fed electrical drives. Especially in high volume applications, e.g. traction drives, the SynRM could replace induction machines (IM) by means of significant reduction of the production costs without decreasing the performance of the drive system. However, the inverter control algorithm is getting much more complicated, compared to other machine types. The reason is that the machine is strongly non-linear. In order to optimize the control, an accurate and reliable machine model, based on measurement values, is developed. Furthermore, an optimized control scheme for low voltage battery-fed traction drives, based on the measured machine characteristics, is presented. The traction drive requires a wide speed range and speed variability of the electrical machine. Due to the limited voltage of the battery, the control has to be adaptable to the instantaneous operating point, especially for high speed in the field weakening area. Therefore the Direct Self Control (DSC), originally investigated for the operation of induction machines, is used to control the SynRM drive. Additionally, the control must be able to react to high dynamic speed and load changes without losing stability.
{"title":"Raw data based model and high dynamic control concept for traction drives powered by synchronous reluctance machines","authors":"S. Staudt, A. Stock, T. Kowalski, J. Teigelkotter, K. Lang","doi":"10.1109/WEMDCD.2015.7194530","DOIUrl":"https://doi.org/10.1109/WEMDCD.2015.7194530","url":null,"abstract":"Due to simple mechanical design, resulting in low manufacturing costs, combined with high efficiency and power density, the synchronous reluctance machine (SynRM) is continuously establishing itself as an important machine type for inverter-fed electrical drives. Especially in high volume applications, e.g. traction drives, the SynRM could replace induction machines (IM) by means of significant reduction of the production costs without decreasing the performance of the drive system. However, the inverter control algorithm is getting much more complicated, compared to other machine types. The reason is that the machine is strongly non-linear. In order to optimize the control, an accurate and reliable machine model, based on measurement values, is developed. Furthermore, an optimized control scheme for low voltage battery-fed traction drives, based on the measured machine characteristics, is presented. The traction drive requires a wide speed range and speed variability of the electrical machine. Due to the limited voltage of the battery, the control has to be adaptable to the instantaneous operating point, especially for high speed in the field weakening area. Therefore the Direct Self Control (DSC), originally investigated for the operation of induction machines, is used to control the SynRM drive. Additionally, the control must be able to react to high dynamic speed and load changes without losing stability.","PeriodicalId":173358,"journal":{"name":"2015 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)","volume":"276 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123412501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2015-08-13DOI: 10.1109/WEMDCD.2015.7194527
G. Scarcella, G. Scelba, A. Testa
Sensorless AC motor control strategies exploiting the injection of high frequency signals to detect magnetic, or geometrical, saliencies have been investigated since '90s, in order to overcome key deficiencies of model based methodologies. However, even if several techniques are nowadays practically used on some market available industrial AC drives, the development of a methodology of general applicability is still an open problem. In this paper the authors outline the state of the art in the development of control strategies based on the injection of high frequency signals. Implementation issues are then described, highlighting the challenges that must be won, in order to made sensorless motor drives exploiting high frequency signal injection, fully pursuing their sensored counterparts, in terms of operating range extension, performance, robustness and reliability.
{"title":"High performance sensorless controls based on HF excitation: A viable solution for future AC motor drives?","authors":"G. Scarcella, G. Scelba, A. Testa","doi":"10.1109/WEMDCD.2015.7194527","DOIUrl":"https://doi.org/10.1109/WEMDCD.2015.7194527","url":null,"abstract":"Sensorless AC motor control strategies exploiting the injection of high frequency signals to detect magnetic, or geometrical, saliencies have been investigated since '90s, in order to overcome key deficiencies of model based methodologies. However, even if several techniques are nowadays practically used on some market available industrial AC drives, the development of a methodology of general applicability is still an open problem. In this paper the authors outline the state of the art in the development of control strategies based on the injection of high frequency signals. Implementation issues are then described, highlighting the challenges that must be won, in order to made sensorless motor drives exploiting high frequency signal injection, fully pursuing their sensored counterparts, in terms of operating range extension, performance, robustness and reliability.","PeriodicalId":173358,"journal":{"name":"2015 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122881343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2015-08-13DOI: 10.1109/WEMDCD.2015.7194517
W. Amrhein, W. Gruber, W. Bauer, M. Reisinger
Alongside technical performance features, low system costs are the highest priority in the field of low-power electric drives. This makes adoption of magnetic bearing technologies difficult in applications with higher production volumes. Achieving success in such cost-sensitive applications requires abandoning classical magnetic bearing designs and simplifying magnetically suspended drive systems by using mechatronic approaches. This paper presents ideas and stimuli in relation to meeting the demands for high-scale integration and cost-reducing design measures. Three examples selected from recent and current research and development projects of the mechatronic research center LCM and Johannes Kepler University Linz (JKU), Austria, illustrate conceptual simplifications of magnetic bearing systems and permanent magnet synchronous drives, and their integrative combinations.
{"title":"Magnetic levitation systems for cost-sensitive applications","authors":"W. Amrhein, W. Gruber, W. Bauer, M. Reisinger","doi":"10.1109/WEMDCD.2015.7194517","DOIUrl":"https://doi.org/10.1109/WEMDCD.2015.7194517","url":null,"abstract":"Alongside technical performance features, low system costs are the highest priority in the field of low-power electric drives. This makes adoption of magnetic bearing technologies difficult in applications with higher production volumes. Achieving success in such cost-sensitive applications requires abandoning classical magnetic bearing designs and simplifying magnetically suspended drive systems by using mechatronic approaches. This paper presents ideas and stimuli in relation to meeting the demands for high-scale integration and cost-reducing design measures. Three examples selected from recent and current research and development projects of the mechatronic research center LCM and Johannes Kepler University Linz (JKU), Austria, illustrate conceptual simplifications of magnetic bearing systems and permanent magnet synchronous drives, and their integrative combinations.","PeriodicalId":173358,"journal":{"name":"2015 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116818332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2015-03-26DOI: 10.1109/WEMDCD.2015.7194514
A. Krings, J. Soulard
Most of the volume in classical electrical machines is occupied by magnetic materials for creating an as good as possible magnetic path. In machines with planar flux paths (2D geometries) the material is laminated to reduce eddy current losses in the core. Manufacturers typically supply reference values from Epstein frame measurements as a material performance specification and an easy way for comparison. However, the magnetic flux path in electrical machines is more complex due to rotating magnetic fields passing through the stator (with or without teeth), the rotor, and the airgap. Therefore, other material characterization methods, such as ring core measurements, are more suitable to characterize the magnetic materials for electrical machines. This paper gives a short introduction on different methods to characterize magnetic materials and a detailed description of building up a measurement system for characterizing ring core samples or electrical machine stator cores. The system is developed with regard to the IEC standard for measurements on magnetic ring core samples and can easily be build up in any lab with a power amplifier and a standard industrial control system equipped with analog input/output interfaces. Finally, reference measurements demonstrate the performance of the system.
{"title":"Experimental characterization of magnetic materials for electrical machine applications","authors":"A. Krings, J. Soulard","doi":"10.1109/WEMDCD.2015.7194514","DOIUrl":"https://doi.org/10.1109/WEMDCD.2015.7194514","url":null,"abstract":"Most of the volume in classical electrical machines is occupied by magnetic materials for creating an as good as possible magnetic path. In machines with planar flux paths (2D geometries) the material is laminated to reduce eddy current losses in the core. Manufacturers typically supply reference values from Epstein frame measurements as a material performance specification and an easy way for comparison. However, the magnetic flux path in electrical machines is more complex due to rotating magnetic fields passing through the stator (with or without teeth), the rotor, and the airgap. Therefore, other material characterization methods, such as ring core measurements, are more suitable to characterize the magnetic materials for electrical machines. This paper gives a short introduction on different methods to characterize magnetic materials and a detailed description of building up a measurement system for characterizing ring core samples or electrical machine stator cores. The system is developed with regard to the IEC standard for measurements on magnetic ring core samples and can easily be build up in any lab with a power amplifier and a standard industrial control system equipped with analog input/output interfaces. Finally, reference measurements demonstrate the performance of the system.","PeriodicalId":173358,"journal":{"name":"2015 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134602235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2015-03-26DOI: 10.1109/WEMDCD.2015.7194538
E. Strangas, Selin Aviyente
As prognosis of failures of critical electric drives is attracting interest, new tools are emerging. Starting from the well established tools for the fault diagnosis, and expanding to the development of trends, and from them determination of the Remaining Useful Life of a drive leads to timely maintenance of fault mitigation, decreased costs and system reliability. The tools used today for failure prognosis are briefly outlined, and the present needs and challenges, and future research and applications are presented.
{"title":"Failure prognosis methods in electrical drives - State of the art and future directions","authors":"E. Strangas, Selin Aviyente","doi":"10.1109/WEMDCD.2015.7194538","DOIUrl":"https://doi.org/10.1109/WEMDCD.2015.7194538","url":null,"abstract":"As prognosis of failures of critical electric drives is attracting interest, new tools are emerging. Starting from the well established tools for the fault diagnosis, and expanding to the development of trends, and from them determination of the Remaining Useful Life of a drive leads to timely maintenance of fault mitigation, decreased costs and system reliability. The tools used today for failure prognosis are briefly outlined, and the present needs and challenges, and future research and applications are presented.","PeriodicalId":173358,"journal":{"name":"2015 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131720035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2015-03-26DOI: 10.1109/WEMDCD.2015.7194523
L. Zarri, M. Mengoni, A. Tani, G. Serra, D. Casadei, J. Ojo
This paper provides an extensive overview of the control schemes that can be used for field-weakening operation of induction motors. Although almost all commercial drives offer this capability, a multitude of solutions have been proposed and the need of a classification arises. Therefore this paper attempts to illustrate the most used solutions that can be found in the literature. The control schemes can be classified according to different criteria, such as the control principle, the method used for the calculation of the optimal flux level (look-up tables, explicit equations, regulator-based solutions), the robustness against variations of the machine parameters and the exploitation of the dc-link voltage.
{"title":"Control schemes for field weakening of induction machines: A review","authors":"L. Zarri, M. Mengoni, A. Tani, G. Serra, D. Casadei, J. Ojo","doi":"10.1109/WEMDCD.2015.7194523","DOIUrl":"https://doi.org/10.1109/WEMDCD.2015.7194523","url":null,"abstract":"This paper provides an extensive overview of the control schemes that can be used for field-weakening operation of induction motors. Although almost all commercial drives offer this capability, a multitude of solutions have been proposed and the need of a classification arises. Therefore this paper attempts to illustrate the most used solutions that can be found in the literature. The control schemes can be classified according to different criteria, such as the control principle, the method used for the calculation of the optimal flux level (look-up tables, explicit equations, regulator-based solutions), the robustness against variations of the machine parameters and the exploitation of the dc-link voltage.","PeriodicalId":173358,"journal":{"name":"2015 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124662030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2015-03-26DOI: 10.1109/WEMDCD.2015.7194483
M. Ayaz, E. Meşe
In this study, a new permanent magnet alternator is proposed in an effort to increase its power capability. The new alternator relies on an auxiliary winding sharing the same slots with the main alternator winding. The main alternator winding is connected to 12 Volt DC bus through an uncontrolled rectifier. The auxiliary winding, which is called control winding throughout the study, is connected to 300 Volt DC bus through a DC/AC inverter which enables full control over the winding current. Both main and auxiliary windings have fractional slot concentrated type coils in order to reduce mutual coupling among them. With the proposed structure, it is possible to extend constant torque region to higher speed. Furthermore, the proposed method enables to obtain better voltage regulation by flux strengthening at low speed region.
{"title":"A permanent magnet synchronous generator with auxiliary control winding","authors":"M. Ayaz, E. Meşe","doi":"10.1109/WEMDCD.2015.7194483","DOIUrl":"https://doi.org/10.1109/WEMDCD.2015.7194483","url":null,"abstract":"In this study, a new permanent magnet alternator is proposed in an effort to increase its power capability. The new alternator relies on an auxiliary winding sharing the same slots with the main alternator winding. The main alternator winding is connected to 12 Volt DC bus through an uncontrolled rectifier. The auxiliary winding, which is called control winding throughout the study, is connected to 300 Volt DC bus through a DC/AC inverter which enables full control over the winding current. Both main and auxiliary windings have fractional slot concentrated type coils in order to reduce mutual coupling among them. With the proposed structure, it is possible to extend constant torque region to higher speed. Furthermore, the proposed method enables to obtain better voltage regulation by flux strengthening at low speed region.","PeriodicalId":173358,"journal":{"name":"2015 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121813228","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2015-03-26DOI: 10.1109/WEMDCD.2015.7194484
H. Mahmoud, N. Bianchi
This paper presents the finite element analysis for synchronous reluctance and interior permanent magnet machines with different eccentricity scenarios. Static and dynamic eccentricity cases are studied, as well as, a combination of them is also studied. Three different rotor structures are considered for both machines. This paper focuses on the computation of the unbalanced radial force acting on the rotor in all eccentricity scenarios. In addition, the radial forces acting on the rotor flux-barriers (i.e., in case of synchronous reluctance machine) or acting on magnets (i.e., in case of interior permanent magnet machine) are calculated. As an example, a 36-slots 4-pole machines with the same dimensions are compared. The comparison between the different rotor geometries is also carried out for all eccentricity cases.
{"title":"Comparison between synchronous reluctance and interior permanent magnet motors with eccentricity","authors":"H. Mahmoud, N. Bianchi","doi":"10.1109/WEMDCD.2015.7194484","DOIUrl":"https://doi.org/10.1109/WEMDCD.2015.7194484","url":null,"abstract":"This paper presents the finite element analysis for synchronous reluctance and interior permanent magnet machines with different eccentricity scenarios. Static and dynamic eccentricity cases are studied, as well as, a combination of them is also studied. Three different rotor structures are considered for both machines. This paper focuses on the computation of the unbalanced radial force acting on the rotor in all eccentricity scenarios. In addition, the radial forces acting on the rotor flux-barriers (i.e., in case of synchronous reluctance machine) or acting on magnets (i.e., in case of interior permanent magnet machine) are calculated. As an example, a 36-slots 4-pole machines with the same dimensions are compared. The comparison between the different rotor geometries is also carried out for all eccentricity cases.","PeriodicalId":173358,"journal":{"name":"2015 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128095192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2015-03-26DOI: 10.1109/WEMDCD.2015.7194524
M. Hinkkanen, Zengcai Qu, H. Awan, Toni Tuovinen, F. Briz
This paper deals with discrete-time models and current control methods for synchronous motors with a magnetically anisotropic rotor structure, such as interior permanent-magnet synchronous motors (IPMSMs) and synchronous reluctance motors (SyRMs). Dynamic performance of current controllers based on continuous-time models is limited, especially if the ratio of the sampling frequency to the fundamental frequency is low. An exact closed-form hold-equivalent discrete motor model is derived. The zero-order hold of the stator-voltage input is modeled in stationary coordinates, where it physically is. An analytical discrete-time pole-placement design method for a two-degree-of-freedom state-space current controller with an integral action is proposed. The proposed method is easy to apply: only the desired closed-loop bandwidth and the three motor parameters (Rs, Ld, Lq) are required. The robustness of the proposed current control design against parameter errors is analyzed. The controller is experimentally verified using a 6.7-kW SyRM drive.
{"title":"Current control for IPMSM drives: Direct discrete-time pole-placement design","authors":"M. Hinkkanen, Zengcai Qu, H. Awan, Toni Tuovinen, F. Briz","doi":"10.1109/WEMDCD.2015.7194524","DOIUrl":"https://doi.org/10.1109/WEMDCD.2015.7194524","url":null,"abstract":"This paper deals with discrete-time models and current control methods for synchronous motors with a magnetically anisotropic rotor structure, such as interior permanent-magnet synchronous motors (IPMSMs) and synchronous reluctance motors (SyRMs). Dynamic performance of current controllers based on continuous-time models is limited, especially if the ratio of the sampling frequency to the fundamental frequency is low. An exact closed-form hold-equivalent discrete motor model is derived. The zero-order hold of the stator-voltage input is modeled in stationary coordinates, where it physically is. An analytical discrete-time pole-placement design method for a two-degree-of-freedom state-space current controller with an integral action is proposed. The proposed method is easy to apply: only the desired closed-loop bandwidth and the three motor parameters (Rs, Ld, Lq) are required. The robustness of the proposed current control design against parameter errors is analyzed. The controller is experimentally verified using a 6.7-kW SyRM drive.","PeriodicalId":173358,"journal":{"name":"2015 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133765475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2015-03-26DOI: 10.1109/WEMDCD.2015.7194519
R. Wróbel, P. Mellor, Mircea Popescu, D. Staton
This paper reviews recent developments in power loss analysis applicable, but not limited to, the thermal design of electrical machines. Accurate and computationally efficient loss prediction is an essential element in thermal analysis of electrical machines, and has become an increasingly important part of the machine design-development process. The continuous drive towards `more electric' technologies has resulted in a need for a more comprehensive and detailed design approach, where various multi-physics and multidisciplinary effects are accounted for. This `design for application' methodology relies strongly on the advancements and evolution of the existing theoretical and experimental design techniques to satisfy the evermore-demanding machine design requirements. The thermal behaviour and efficiency of the power conversion are the machine performance measures, which are the essential elements of the `design for application' approach. An overview of the challenges and limitations regarding the power loss analysis in the context of thermal design of electrical machines is provided in the paper. All of the major loss components associated with the active parts of the machine assembly are discussed.
{"title":"Power loss analysis in thermal design of electrical machines","authors":"R. Wróbel, P. Mellor, Mircea Popescu, D. Staton","doi":"10.1109/WEMDCD.2015.7194519","DOIUrl":"https://doi.org/10.1109/WEMDCD.2015.7194519","url":null,"abstract":"This paper reviews recent developments in power loss analysis applicable, but not limited to, the thermal design of electrical machines. Accurate and computationally efficient loss prediction is an essential element in thermal analysis of electrical machines, and has become an increasingly important part of the machine design-development process. The continuous drive towards `more electric' technologies has resulted in a need for a more comprehensive and detailed design approach, where various multi-physics and multidisciplinary effects are accounted for. This `design for application' methodology relies strongly on the advancements and evolution of the existing theoretical and experimental design techniques to satisfy the evermore-demanding machine design requirements. The thermal behaviour and efficiency of the power conversion are the machine performance measures, which are the essential elements of the `design for application' approach. An overview of the challenges and limitations regarding the power loss analysis in the context of thermal design of electrical machines is provided in the paper. All of the major loss components associated with the active parts of the machine assembly are discussed.","PeriodicalId":173358,"journal":{"name":"2015 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116646376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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