A high-efficiency high-power-generation system for automobiles

Naidu, M. S.; Boules, Nady; Henry, Rassem R.

doi:10.1109/28.649966

Cited by 29 publications

(11 citation statements)

References 4 publications

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“…For a salient-pole PM synchronous machine with a given load power, speed, flux, and characteristic current, four solutions can be found for (2). Two of the solutions are complex and can be discarded, while the other two solutions are real.…”

Section: A Generator Operating Point Equationsmentioning

confidence: 99%

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Design considerations for a stator side voltage regulated permanent magnet AC generator

Clements

Venkataramanan

Jahns

2009

2009 IEEE Energy Conversion Congress and Exposition

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The application of permanent magnet generators in variable-speed applications is made difficult by the lack of a direct field control and the variation of the stator voltage with shaft speed and also with load. This paper presents the use of reactive power injection into the stator as a means of regulating the stator voltage. Design-oriented analysis of the machine stator current and reactive power requirements for this mode of operation leads to the conclusion that high machine saliency enables excellent terminal voltage regulation over a specified speed and load range while minimizing stator current requirements. It is shown that the incorporation of saliency into the permanent magnet generator can significantly reduce the size of the reactive current source and the stator current that is required to regulate the stator voltage during operation over a broad range of speeds and loads. Experimental results are presented to confirm the basic principles of this approach.

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Section: A Generator Operating Point Equationsmentioning

confidence: 99%

“…In spite of their potential advantages, they have not found widespread use in small power system applications, such as automotive electrical systems [2]. In general, the variation of their output voltage as the speed and load varies is among the biggest obstacles to their potential application in power systems.…”

Section: Introductionmentioning

confidence: 99%

Design considerations for a stator side voltage regulated permanent magnet AC generator

Clements

Venkataramanan

Jahns

2009

2009 IEEE Energy Conversion Congress and Exposition

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show abstract

“…Alternatives to the Lundell for generation only have been investigated over the years, such as PM brushless [92] or induction [93]. The studies focused on cost, introducing clever power electronic topologies such as a dual SCR bridge [92] or one diode rectifier with full power rating paralleled with a MOSFET bridge for control [93].…”

Section: E Other Engine Accessoriesmentioning

confidence: 99%

Automotive Electrification: The Nonhybrid Story

Lequesne

2015

IEEE Trans. Transp. Electrific.

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The electrification of the automobile has a long history. Electric and hybrid vehicles are actually only a small part of it, albeit presently the most visible and the one getting the most attention in popular media. This paper will focus on the rest of the story, that is, aspects of transportation electrification other than hybrid or fully-electric propulsion systems. Recent progress (last 10-20 years) and current work on the electrification of road transport, from chassis to powertrains, will be reviewed with a focus on electromechanical systems. In the process, the numerous challenges engineers have overcome or have yet to solve will be highlighted, thus illustrating the many different ways electrical engineering is making its mark in providing more performant, more efficient, safer, and more pleasant means of personal transportation.

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“…The derivatives of the d-and q-axis currents are available for substitution from (1) and (2). Equation (13) is obtained by substitution of (1) and (2) into (12).…”

Section: Power Derivative Feedbackmentioning

confidence: 99%

“…In spite of their potential advantages, they have not found widespread use in small power systems for applications such as aircraft or automotive electrical systems [2]. The variation of output voltage as the speed and load varies is among the biggest obstacles to their application in commercial power systems.…”

Section: Introductionmentioning

confidence: 99%

Regulation of permanent magnet generators using angle control of stator-connected voltage source inverters

Clements

Venkataramanan

Jahns

2010

2010 IEEE Energy Conversion Congress and Exposition

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The use of a permanent magnet AC generator (PMACG) with a salient-pole rotor design combined with an appropriate power converter has recently been shown to be an attractive practical approach for implementing small power systems. Although a classical approach to realizing voltage regulation may be developed on the basis of reactive power control in power systems, it presents special challenges for variable-frequency operation, made more difficult by the presence of lightly-damped machine dynamics. This paper presents a simple and effective means for regulating the terminal voltage of the generator by controlling the DC voltage of a stator-connected voltage-source inverter. The paper presents a dynamic model that illustrates the source of lightlydamped behavior, followed by the introduction of power derivative equivalent feedback into the control system to obtain excellent performance. Computer simulations and experimental results are presented to demonstrate the effectiveness of this control approach.

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A high-efficiency high-power-generation system for automobiles

Cited by 29 publications

References 4 publications

Design considerations for a stator side voltage regulated permanent magnet AC generator

Design considerations for a stator side voltage regulated permanent magnet AC generator

Automotive Electrification: The Nonhybrid Story

Regulation of permanent magnet generators using angle control of stator-connected voltage source inverters

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