Investigation of inverterless control of interior permanent magnet alternators

Liaw, C.Z.; Whaley, David; Soong, Wen L.; Ertugrul, N.

doi:10.1109/ias.2004.1348421

Cited by 8 publications

(6 citation statements)

References 7 publications

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“…Fig. 4 shows the measured iron and mechanical losses of the concept demonstrator machine as a function of speed under open-circuit, short-circuit, and rated output voltage conditions [3].…”

Section: B Concept Demonstrator and Machine Loss Measurementsmentioning

confidence: 99%

Iron Loss Reduction in an Interior PM Automotive Alternator

Zivotic-Kukolj

Soong

Ertugrul

2006

IEEE Trans. on Ind. Applicat.

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Abstract-This paper examines the iron loss characteristics of a high-flux interior permanent-magnet machine. The machine was designed as a concept demonstrator for a 6-kW automotive alternator and has a wide field-weakening range. Initial experimental results revealed a high iron loss during field-weakening operation. Finite-element analysis was used to investigate the cause of the high iron losses and to predict their magnitude as a function of speed. The effects of changes in the machine design were examined in order to reduce iron losses and hence improve the machine performance.Index Terms-Alternator, field weakening, finite-element analysis (FEA), interior permanent-magnet (PM) machines, iron loss.

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“…Fig. 4 shows the measured iron and mechanical losses of the concept demonstrator machine as a function of speed under open-circuit, short-circuit, and rated output voltage conditions [3].…”

Section: B Concept Demonstrator and Machine Loss Measurementsmentioning

confidence: 99%

Iron Loss Reduction in an Interior PM Automotive Alternator

Zivotic-Kukolj

Soong

Ertugrul

2006

IEEE Trans. on Ind. Applicat.

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“…The switched-mode improvements in the power capability, efficiency, and rectifier provides additional means of controlling the transient response of both Lundell and permanent magnet alternator. As shown in [10] and elsewhere, by modulating alternators [10][11][12][13][14][15][16][17][18][19][24][25][26]. This paper carries this strategy the switches with an appropriate duty ratio (at a high forward, and presents the design and experimental evaluation frequency compared to the machine electrical frequency), the of a high-power 42 V Lundell alternator having the power alternator output characteristics can be matched to the output electronics and control circuitry fully integrated with the in a manner that provides greatly increased power capability machine.…”

Section: Introductionmentioning

confidence: 99%

Design and Evaluation of a 42 V Automotive Alternator with Integrated Switched-Mode Rectifier

Tang

Otten

Keim

2007

2007 IEEE Vehicle Power and Propulsion Conference

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This paper presents techniques for the design of interleaved system. In addition to accurate closed-loop output high-power Lundell alternators with integrated switched-mode voltage control, we introduce means to provide (partial) rectifiers. A multi-section stator winding and interleaved synchronous rectification for reduced loss, and demonstrate rectifier arrangement is introduced that enables high power the ability to achieve tight load dump transient control within levels to be achieved using small semiconductor devices, and the requirements of 42 V electrical systems [27].which greatly reduces the output filter capacitor requirements.The paper is organized as follows: Section II reviews the We also demonstrate control methods suited to this interleaved system. In addition to accurate closed-loop output voltage gneral priciples underlyingith aln dswignhadcontrol, we introduce methods to provide (partial) synchronous introduces the interleaved winding and switched-mode rectification for reduced loss, and to provide tight load dump rectifier structure we propose. The physical construction of transient control. The proposed technology is validated in the the alternator system and integrated electronics is also design and experimental evaluation of a 42 V, 3.4 kW alternator described. Section III describes the control approach utilized with fully integrated power electronics and controls. The with the interleaved architecture. Means for providing output prototype alternator achieves approximately a factor of 2.1 voltage control are described, along with means for increase in power and 1.6 increase in power density as compared implementing synchronous rectification of the active devices. to~~~~~~~~~~~~~ipeetn sycrnu rectification ofd-ecie thetctivndevces to a conventional diode-rectified alternator.Experimental results demonstrating the efficacy of the control implementation are also presented. The load dump protection I *

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“…To create the third harmonic current injection various methods was presented in bibliography [3][4][5][6][7]. In Fig.…”

Section: Current Injection Networkmentioning

confidence: 99%

“…Harmonics have a bad consequence on electrical systems process. Therfore, increasing attention is paid to their generation and control [5,6]. One of the most popular PFC (Power Factor Correction) methods for three-phase input is a full-bridge type pulse with modulation (PWM) rectifier.…”

Section: Introductionmentioning

confidence: 99%

Rectifier Dynamic Electro-Thermal Simulation for Power Factor Correction in Electric Vehicles Application

Ayadi¹,

Ghariani²,

Toumi³

2016

Journal of Electrical Engineering and Technology

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-This paper presents a PFCVF (Power Factor Correction) rectifier that uses a variable frequency source for alternators in electric and hybrid vehicles application. This technique allows to preserve a good THD (Total Harmonic Distortion) of the input source at any frequency and to decrease losses in semiconductors switches, thereby permitting more stability and decreasing the apparent power requirements. A comparative study between the standard and the new technique is made. A thermal network is used to calculate the junction temperatures in order to estimate the equivalent losses in the rectifier with respect of junction temperature modifications and power equilibrium. The relations of the proposed model are defined and simulation results as well as experimental results are discussed.

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Investigation of inverterless control of interior permanent magnet alternators

Cited by 8 publications

References 7 publications

Iron Loss Reduction in an Interior PM Automotive Alternator

Iron Loss Reduction in an Interior PM Automotive Alternator

Design and Evaluation of a 42 V Automotive Alternator with Integrated Switched-Mode Rectifier

Rectifier Dynamic Electro-Thermal Simulation for Power Factor Correction in Electric Vehicles Application

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