{"title":"A Novel Phasor Diagram of Interior Permanent Magnet Synchronous Motors based on Spiral Vector Theory","authors":"B. Muni","doi":"10.1109/PEDES.2006.344358","DOIUrl":"https://doi.org/10.1109/PEDES.2006.344358","url":null,"abstract":"The paper presents a novel phasor diagram of interior permanent magnet synchronous (IPMS) motor for steady state analysis. Starting from first principle, the phase decoupled spiral vector model of the IPMS motor has been obtained. A phase decoupled voltage equation in phasor can be obtained from the spiral vector IPMS motor at steady state. In the phasor diagram, the effect of reluctance variation is represented as reluctance voltage. The shaft power output of the motor is the sum of power due to field voltage and reluctance voltage. The steady state performance of the IPMS motor can be predicted with the use of this phasor diagram. The novel phasor diagram can also be used for steady state performance analysis of salient pole synchronous and reluctance machine.","PeriodicalId":262597,"journal":{"name":"2006 International Conference on Power Electronic, Drives and Energy Systems","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116636486","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}
{"title":"Evaluation of Operational Characteristics Of Electronic Ballasts For Metal-Halide HID Lamps","authors":"A. Haque, M. Asghar","doi":"10.1109/PEDES.2006.344332","DOIUrl":"https://doi.org/10.1109/PEDES.2006.344332","url":null,"abstract":"Electronic ballasts are needed to shape the voltage and current waveforms which suit the needs of the metal-halide, high-intensity discharge (HID) lamps. This paper deals with the evaluation of the low frequency and the high frequency operations of electronic ballasts. The results are analyzed in terms of lamps operating characteristics. A boost converter works as CCM PFC in both the operations. A DC/DC buck and a full-bridge inverters are used for low frequency operations. An LCC resonant inverter is used for high frequency operations. Simulation results and actual test bench results are shown for both 100 W and 400 W metal-halide HID lamps. It is concluded that the choice is between cost and reliability corresponding to high frequency and low frequency operations, respectively.","PeriodicalId":262597,"journal":{"name":"2006 International Conference on Power Electronic, Drives and Energy Systems","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131340550","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}
{"title":"An Adaptive Backstepping Controller for Doubly-F d Induction Machine Drives","authors":"A. F. Payam","doi":"10.1109/PEDES.2006.344379","DOIUrl":"https://doi.org/10.1109/PEDES.2006.344379","url":null,"abstract":"In this paper a nonlinear controller is presented for doubly-fed induction machine (DFIM) drives. The nonlinear controller is designed based on adaptive backstepping control technique, using the fifth order model of induction machine in a synchronous d & q axis rotating reference frame with the d axis coincide with space voltage vector for the main AC supply with rotor current and stator flux components as state variables. The nonlinear controller can perfectly track the torque signal in the condition of unity power factor regulation, measured in the stator terminals, inspite of stator and rotor resistance variations. In order to make the drive system capable of operating in the motoring and generating modes below and above synchronous speed, two level SVM-PWM back-to-back voltage source inverters are employed in the rotor circuit. Computer simulation results obtained, confirm the effectiveness and validity of the proposed control approach.","PeriodicalId":262597,"journal":{"name":"2006 International Conference on Power Electronic, Drives and Energy Systems","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132432140","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}
{"title":"A Novel Hybrid Brushless dc motor/Generator for Hybrid Vehicles Applications","authors":"E. Afjei, H. Toliyat, H. Moradi","doi":"10.1109/PEDES.2006.344366","DOIUrl":"https://doi.org/10.1109/PEDES.2006.344366","url":null,"abstract":"The brushless DC motor is a simple and robust machine, which has found application over a wide power and speed ranges in different shapes and geometries. This paper presents a new configuration for an integrated starter-generator system based on brushless DC motor without permanent magnet technology. The proposed novel motor consists of two magnetically dependent stator and rotor sets (layers), where each stator set includes nine salient poles with windings wrapped around them while, the rotor comprises of six salient poles with no windings. The magnetic field passes through a guide to the rotor then the stator and finally completes its path via the motor housing. To evaluate the motor performance, two types of analysis, namely numerical technique and experimental study have been utilized. In the numerical analysis the finite element analysis is employed, where as in the experimental study, a proto-type motor has been built and tested. The calculated results compare favorably with the test results. Due to the ruggedness of the proposed motor in comparison with the conventional and brushless DC motors it looks very promising for hybrid vehicle.","PeriodicalId":262597,"journal":{"name":"2006 International Conference on Power Electronic, Drives and Energy Systems","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132258875","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}
{"title":"A program for harmonic modeling of distribution network transformers and determination of loss in the transformers and the amount of decrease of their life","authors":"M. Marzband, A. Shaikholeslami","doi":"10.1109/PEDES.2006.344336","DOIUrl":"https://doi.org/10.1109/PEDES.2006.344336","url":null,"abstract":"Harmonic modeling of power network transformers is dealt with. The input of the electromagnetic model, voltages and distorting currents and the output of this model are harmonic losses. By using the thermal model and the input of losses temperature distribution is obtained. By using the temperature distribution the amount of transformer's loss of life and the related cost are calculated. For thermal modeling of the transformer existing experimental formulas in the other papers that have been obtained by experimental results have been used. About the presented harmonic model for the transformer's equivalent circuit the following points have been considered: 1) considering the shell and the juxtaposition effect in the modeling of loss. 2) Modeling of the core's saturation effect by adding the current source which is dependant on the voltage. 3) The core's loss as a function of the frequency. 4) Adding leakage and stray capacitors in the model.","PeriodicalId":262597,"journal":{"name":"2006 International Conference on Power Electronic, Drives and Energy Systems","volume":"610 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131691350","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}
{"title":"A Nonlinear Fuzzy PID Controller for CSI-STATCOM","authors":"A. Kazemi, A. Tofighi, B. Mahdian","doi":"10.1109/PEDES.2006.344326","DOIUrl":"https://doi.org/10.1109/PEDES.2006.344326","url":null,"abstract":"This paper presents a naval approach for the control of a current source inverter (CSI) based STATCOM. The dq-frame model of the CSI STATCOM is proposed as a basis for the control design. Also steady-state characteristic of the CSI-STATCOM is proposed. A nonlinear fuzzy pro controller and multivariable full state feedback has been used. The proposed STATCOM has been simulated using Matlab/Simulink package. The simulation results show that no oscillatory dynamics of the ac current without overshoot or steady-state error exists.","PeriodicalId":262597,"journal":{"name":"2006 International Conference on Power Electronic, Drives and Energy Systems","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132123833","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}
{"title":"Power Quality Standards and Their Application to a Granite Factory","authors":"S. Hasani, F. Donyavi, M. Masoudi, H. Mokhtari","doi":"10.1109/PEDES.2006.344246","DOIUrl":"https://doi.org/10.1109/PEDES.2006.344246","url":null,"abstract":"This paper presents the results of a thorough analysis of applying power quality standards to a granite factory. It explains the procedure of determining power quality indices in a power system. The paper presents the field data and provides the results of statistical analysis in order to extract power quality indices. A comparison against standard limits is also given. The case study gives an overview of power quality in such customers and brings up some practical limitations when applying power quality standards.","PeriodicalId":262597,"journal":{"name":"2006 International Conference on Power Electronic, Drives and Energy Systems","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122377927","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}
{"title":"A Doubly Fed Induction Motor as High Torque Low Speed Drive","authors":"M. Ahmad, R. Khan, A. Iqbal","doi":"10.1109/PEDES.2006.344372","DOIUrl":"https://doi.org/10.1109/PEDES.2006.344372","url":null,"abstract":"For high torque low speed applications in pulp and paper and cement industries a dc motor or a cage type motor with reducer has been used. In this paper use of a doubly fed induction motor as a high torque very low speed drive is presented. It is shown that such a motor works as constant speed motor without any problem of stability.","PeriodicalId":262597,"journal":{"name":"2006 International Conference on Power Electronic, Drives and Energy Systems","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127964854","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}
{"title":"An Universal Interconnection System to Connect Distributed Generation to the Grid","authors":"V. John, E. Benedict, S. M. Danial","doi":"10.1109/PEDES.2006.344261","DOIUrl":"https://doi.org/10.1109/PEDES.2006.344261","url":null,"abstract":"Interconnection equipment between distributed energy resources (DER) and the grid is typically custom designed by the distributed generation (DG) equipment manufacturer or integrated by engineering firms using subcomponents such as relays, sensors and switchgear. The DER Switch described in the paper has integrated all of the required equipment for the DER interconnection into a single package that is designed to be compliant with IEEE 1547 and UL 1741 standards. A 480 V, 200 A, circuit breaker based DER Switch prototype with a digital signal processing (DSP) board was designed, built and tested. The objective was to create a standard, flexible universal interface switch for distributed energy resources so that single or multiple DER systems like wind turbines or solar arrays can be connected to a utility. The resulting interconnection switch design is DER technology neutral and can be used for inverter and machine DG applications.","PeriodicalId":262597,"journal":{"name":"2006 International Conference on Power Electronic, Drives and Energy Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128922456","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}
{"title":"Observer based current control of single-phase inverter in DQ rotating frame","authors":"B. Saritha, P.A. Jankiraman","doi":"10.1109/PEDES.2006.344427","DOIUrl":"https://doi.org/10.1109/PEDES.2006.344427","url":null,"abstract":"A modified current control scheme in D-Q rotating frame for single-phase inverters is presented in this paper to provide zero steady state error at fundamental frequency as well as waveform fidelity. The new procedure uses tuned observers to transform the physical quantities like \"current\" to real and imaginary values in stationary frame. The rotation matrix is used to transform from stationary frame to synchronous frame so that the transformed current values in steady state become DC variables in DQ frame. The controller design is similar to conventional DC/DC converters. The concept is validated by simulation in MATLAB and realized using FPGA EP1C3T100C7. The experimental results are provided for current control of single-phase inverters supplying R, RL and RC loads. The voltage control loop for UPS applications is also discussed in the paper.","PeriodicalId":262597,"journal":{"name":"2006 International Conference on Power Electronic, Drives and Energy Systems","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129399174","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}