Steady State Modeling of Series-Connected Five-Phase and Six-Phase Two-Motor Drives

Lévi,; Jones, M.; Vukosavic,; Toliyat,

doi:10.1109/ias.2006.256555

Cited by 18 publications

(16 citation statements)

References 12 publications

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“…The experimental rig is illustrated in Fig. 12 and the 50 Hz five-phase induction motors are those used previously in [17], [18], and [23].…”

Section: Resultsmentioning

confidence: 99%

“…Using vector space decomposition into two planes, the resulting equivalent circuit representation of the two-motor drive of Fig. 2 [23] is, from the VSI point of view (but not from the machines' point of view), identical to the one obtained for concentrated winding single-motor drive [24], [25]: the inverter has to generate nonzero voltage references in both planes. The important difference is however that for a concentrated winding machine the reference voltage in the second plane has a frequency firmly determined with the first plane reference; also, the second reference magnitude is only a small fraction of the first reference magnitude in steady state operation [11].…”

Section: Review Of a Five-phase Vsi Operationmentioning

confidence: 99%

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A Space Vector PWM Scheme for Multifrequency Output Voltage Generation With Multiphase Voltage-Source Inverters

Dujić

Grandi

Jones

et al. 2008

IEEE Trans. Ind. Electron.

114

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Abstract-Multiphase variable-speed drives, supplied from two-level voltage-source inverters (VSIs), are nowadays considered for various industrial applications. Depending on the drive structure and/or the motor design, the VSI is required to generate either sinusoidal voltages or voltages that contain a certain number of sinusoidal components ("multifrequency output voltages"). The existing space vector pulsewidth-modulation (SVPWM) schemes are based on selection of (n − 1) active space vectors (for odd phase numbers) within a switching period and they yield either sinusoidal voltage or sinusoidal fundamental voltage in combination with a limited amount of other harmonic terms. This paper develops a SVPWM scheme, which enables multifrequency output voltage generation with arbitrary values of various sinusoidal components in the output voltage. The method is based on initial selection of (n − 1) 2 /2 active space vectors within a switching period, instead of the common (n − 1) active vectors. By properly arranging the sequence of the vector application, it is possible to provide an automatic postreduction of the number of applied active vectors to (n − 1), thus maintaining the same switching frequency as with the existing schemes while simultaneously avoiding the limiting on the generated sinusoidal output voltage components. Theoretical considerations are detailed using a five-phase VSI. The experimental verification is provided using a five-phase two-motor series-connected induction motor drive, supplied from a custom-designed five-phase DSPcontrolled VSI.Index Terms-Multiphase variable-speed drives, multiphase voltage-source inverters (VSIs), space vector pulsewidth modulation (SVPWM).

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“…The experimental rig is illustrated in Fig. 12 and the 50 Hz five-phase induction motors are those used previously in [17], [18], and [23].…”

Section: Resultsmentioning

confidence: 99%

Section: Review Of a Five-phase Vsi Operationmentioning

confidence: 99%

A Space Vector PWM Scheme for Multifrequency Output Voltage Generation With Multiphase Voltage-Source Inverters

Dujić

Grandi

Jones

et al. 2008

IEEE Trans. Ind. Electron.

114

View full text Add to dashboard Cite

show abstract

“…To a voltage supply via a voltage-controlled inverter, the reference voltages are created by adding the reference voltages of each machine are [15], [16]:…”

Section: Vector Control Of Two Five Phase Motors Connected In Seriesmentioning

confidence: 99%

Modeling and Control of a Multi-Machine Traction System Connected in Series using Two Static Converter

MEGUENNI¹,

Djahbar²

2017

ijacsa

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Abstract-Power may be segmented either at the converter, using a multilevel inverter, either at the machine, by performing a polyphase winding. Moreover, increasing numbers of phases enables improved power quality and reducing torque ripples with the advantage of fault tolerance related to the loss of one or more phases. This class of system offers a reduction of design time, costs and the optimization of the volume of embedded systems. The objective of this work is to order, model and characterize the behavior of a training system multimachines composed of two five phase synchronous permanent magnet motors connected in series using two static converters.

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“…일반적으로 [12] , 직접 토크 제어 [4][16] [19] , 고조파 전류에 의한 토크 맥동 저감 [2][20] [22] , 제3 고조파 전류성분 주입 [5][10] [17] , 공극에서 자속과 기자 력의 포화현상 [6] [8] , 전동기의 직병렬 운전 [18][21] [23] , 사고해 석과 운전 [7] [5] [14] . 이때 권선의 역기전력과 전류파형을 이론적으로 분석한 결과는 그림 2에서 보는 봐와 같이 역기전력은 사다리꼴 형태이며, 전동기에 흐르는 전류는 기본파 성분과 제3 고조파 성 분으로 분해하여 포함된 성분을 계산할 수 있다.…”

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A Speed Control Characteristics for Five-Phase Squirrel-Cage Induction Motor Injecting 3rd Current Harmonics Component

Kim

Kim²

2013

The Transactions of the Korean Institute of Power Electronics

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-This paper proposes a improved speed control system for five-phase squirrel-cage induction motor(IM) injecting 3rd. current harmonic components with field oriented control (FOC) A five-phase IM drives present unique characteristics due to the additional degrees of freedom and also drives possess many others advantage compared with the traditional three-phase motor drive system, such as reducing a amplitude of torque pulsation at low frequency and increasing the reliability. In order to maximize the torque per ampere, the proposed motor has concentrated windings. The produced back-electromotive force is almost trapezoidal, and the motor is supplied with the combined sinusoidal plus third harmonic of currents. There is necessary to controlled 3rd harmonic current in order to high response characteristics. For presenting the superior performance of the proposed the speed control system, experimental results are presented using a 32-bit fixed point TMS320F2812 DSP with 1.5[kW] induction motor.

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Steady State Modeling of Series-Connected Five-Phase and Six-Phase Two-Motor Drives

Cited by 18 publications

References 12 publications

A Space Vector PWM Scheme for Multifrequency Output Voltage Generation With Multiphase Voltage-Source Inverters

A Space Vector PWM Scheme for Multifrequency Output Voltage Generation With Multiphase Voltage-Source Inverters

Modeling and Control of a Multi-Machine Traction System Connected in Series using Two Static Converter

A Speed Control Characteristics for Five-Phase Squirrel-Cage Induction Motor Injecting 3rd Current Harmonics Component

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