The transient self-excitation of a switched reluctance generator

N. Schofield; S. A. Long

doi:10.1063/1.1845976

The transient self-excitation of a switched reluctance generator

N. Schofield, S. A. Long

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Switched reluctance (SR) drive systems are a candidate technology for electric vehicle applications, particularly where a high degree of component integration is required within a thermally demanding environment-typical of engine-mounted power assist solutions. While various operation and fault scenarios have been presented for such drive systems, this paper discusses the self-excitation of a SR generator via the drive-train dc link capacitance and compounded by the stored inertial energy of the connected mechanics. Test observations are also discussed that suggest the potential for transient self-excitation of the SR generator via residual magnetization of the machine rotor, a fault scenario that has not previously been reported. The SR generator system steady-state control is discussed and results presented from a faulted system.

Original language	English
Article number	10Q501
Journal	Journal of Applied Physics
Volume	97
Issue number	10
DOIs	https://doi.org/10.1063/1.1845976
Publication status	Published - 18 May 2005
Externally published	Yes

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abstract = "Switched reluctance (SR) drive systems are a candidate technology for electric vehicle applications, particularly where a high degree of component integration is required within a thermally demanding environment-typical of engine-mounted power assist solutions. While various operation and fault scenarios have been presented for such drive systems, this paper discusses the self-excitation of a SR generator via the drive-train dc link capacitance and compounded by the stored inertial energy of the connected mechanics. Test observations are also discussed that suggest the potential for transient self-excitation of the SR generator via residual magnetization of the machine rotor, a fault scenario that has not previously been reported. The SR generator system steady-state control is discussed and results presented from a faulted system.",

keywords = "Capacitance, Electric generators, Energy absorption, Fuel economy, Internal combustion engines, Machine design",

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note = "Funding Information: The authors wish to acknowledge the European Commission (EC) for support of the project {\textquoteleft}New high efficiency electric machines solutions for mild hybrid applications (ELMAS){\textquoteright}, Contract No. ENK6-CT1999-00017, under Framework V of the EC RTD Programme.",

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AU - Long, S. A.

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N2 - Switched reluctance (SR) drive systems are a candidate technology for electric vehicle applications, particularly where a high degree of component integration is required within a thermally demanding environment-typical of engine-mounted power assist solutions. While various operation and fault scenarios have been presented for such drive systems, this paper discusses the self-excitation of a SR generator via the drive-train dc link capacitance and compounded by the stored inertial energy of the connected mechanics. Test observations are also discussed that suggest the potential for transient self-excitation of the SR generator via residual magnetization of the machine rotor, a fault scenario that has not previously been reported. The SR generator system steady-state control is discussed and results presented from a faulted system.

AB - Switched reluctance (SR) drive systems are a candidate technology for electric vehicle applications, particularly where a high degree of component integration is required within a thermally demanding environment-typical of engine-mounted power assist solutions. While various operation and fault scenarios have been presented for such drive systems, this paper discusses the self-excitation of a SR generator via the drive-train dc link capacitance and compounded by the stored inertial energy of the connected mechanics. Test observations are also discussed that suggest the potential for transient self-excitation of the SR generator via residual magnetization of the machine rotor, a fault scenario that has not previously been reported. The SR generator system steady-state control is discussed and results presented from a faulted system.

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KW - Energy absorption

KW - Fuel economy

KW - Internal combustion engines

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The transient self-excitation of a switched reluctance generator

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