Improved digital current control methods in switched reluctance motor drives

Blaabjerg, Frede; Kjær, P.C.; Rasmussen, Peter Omand; Cossar, C.

doi:10.1109/63.761700

Cited by 111 publications

(30 citation statements)

References 5 publications

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“…It can be adjusted so high that the noise in the machine wil be reduced effectively. Also a free-wheeling mode is possible [10]. Ripple current and converter gain is reduced to half of the original gain.…”

Section: Digital Hysteresis Controlmentioning

confidence: 99%

Current control for the switched reluctance motor with enhanced performance

Schroder

Bekiesch

2005

2005 European Conference on Power Electronics and Applications

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This paper presents a gain adaptation of the current PI controller with consideration of the variable time constant and an EMF compensation for the nonlinear switched reluctance machine. With this it is possible to minimize the disturbances in the control loop, which are related to the saturation or the back EMF. The compensation for each point of operation is done referring to the actual position, current and speed of the machine. Additionally a short comparison ofhysteresis and PI controller is presented.

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Section: Digital Hysteresis Controlmentioning

confidence: 99%

Current control for the switched reluctance motor with enhanced performance

Schroder

Bekiesch

2005

2005 European Conference on Power Electronics and Applications

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“…Such an increase of the maximum value of source current up to 2I max may occur e.g. in the classical current control (CCC) with the use of digital hysteresis current controller [16][17]. Operating functions of regulators of the outgoing phase (k−1) and the incoming phase (k) can be written as:…”

Section: Classical Control Methodsmentioning

confidence: 99%

A switched reluctance motor control method limiting the maximum dc source current in the low-speed range

Bogusz¹

2016

Bulletin of the Polish Academy of Sciences Technical Sciences

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Abstract. This paper presents a proposal of a new control method of the switched reluctance motor (SRM) in the low-speed range. The proposed method limits the maximum value of SRM drive supply current. The application of this method results also in improvement of the drive efficiency compared to the classical current control method, so it can be applied to control switched reluctance motors designed to the electric vehicles drive. The method may be effective especially in congested traffic. Nowadays, the urban traffic is characterized by frequent occurrence of traffic jams in which cars move at low speeds. The sources of supply for electric vehicles are mainly electrochemical batteries. Reduction of the maximum value of supply current allows to extend the service life of batteries and improvement of the drive efficiency extends the vehicle range.

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“…7, the rotor position θ is calculated by the encoder through the rotor position calculation block; ran1 and ran2 are generated by the random number generator block. A fully digital PI current regulator is implemented for regulating the phase current of the SRM [14], [15]. The selection of the PI gains is a trade off between the minimum and maximum incremental inductance in one electrical cycle.…”

Section: B Proposed Methodsmentioning

confidence: 99%

Harmonic Intensity Reduction Technique for Single Phase Switched Reluctance Motor Drives Using a New Random PWM Scheme

Nguyen¹,

Jung²,

Yang³

et al. 2010

Journal of Power Electronics

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This paper proposes a new random switching strategy using a DSP TMS320F2812 to reduce the harmonics spectra of single phase switched reluctance motors. The proposed method combines the random turn-on/off angle technique and the random pulse width modulation technique. A harmonic spread factor (HSF) is used to evaluate the random modulation scheme. In order to confirm the effectiveness of the proposed method an experiment was conducted. The experimental results show that the harmonic intensity of the output voltage for the proposed method is better than that for conventional methods.

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Improved digital current control methods in switched reluctance motor drives

Cited by 111 publications

References 5 publications

Current control for the switched reluctance motor with enhanced performance

Current control for the switched reluctance motor with enhanced performance

A switched reluctance motor control method limiting the maximum dc source current in the low-speed range

Harmonic Intensity Reduction Technique for Single Phase Switched Reluctance Motor Drives Using a New Random PWM Scheme

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