Frequency Control of a 9-Phase Induction Motor at Switched Supply Sequence

Drozdowski, Piotr; Cholewa, Dariusz

doi:10.1109/isem.2018.8442620

Cited by 5 publications

(4 citation statements)

References 7 publications

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“…As mentioned in Section 1, the control idea is derived from the speed control method presented in [2,4]. Instead of a speed controller, a DC voltage controller is applied.…”

Section: The Control Systemmentioning

confidence: 99%

“…The operation of the nine-phase induction generator ( 9 M = ) was tested on a laboratory stand. A machine, previously tested as an electric motor [2,3], was used for this purpose. The machine was built on the magnetic circuit of a 4 kW Sf112M-4 three-phase induction motor, using the first type of stator winding shown in Figure 5 and leaving a squirrel cage rotor with 28 cage bars.…”

Section: Laboratory Tests Of the Nine-phase Induction Generatormentioning

confidence: 99%

“…A multiphase induction machine (MIM) with number of phases M > 3 can operate as a motor or a generator. The idea of MIM operation as a stator converter-controlled multiphase generator [1] was created on the basis of automatic speed control of the multiphase squirrel-cage induction motor presented in [2][3][4]. The motivation for the use of MIM as an induction generator stemmed from the properties of the machine during motor operation and regenerative braking presented in [2][3][4].…”

Section: Introductionmentioning

confidence: 99%

“…The idea of MIM operation as a stator converter-controlled multiphase generator [1] was created on the basis of automatic speed control of the multiphase squirrel-cage induction motor presented in [2][3][4]. The motivation for the use of MIM as an induction generator stemmed from the properties of the machine during motor operation and regenerative braking presented in [2][3][4]. These were mainly the ability to work with broken stator phases and to work with a constant frequency and voltage at several different characteristic speeds.…”

Section: Introductionmentioning

confidence: 99%

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Voltage Control of Multiphase Cage Induction Generators at a Speed Varying over a Wide Range

Drozdowski

Cholewa

2021

Energies

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The subject of this publication is a method of controlling the DC voltage of a PWM rectifier supplied by a multiphase cage induction generator with the number of stator phases greater than three operating in a wide range of driving speeds. Voltage regulation is performed by changing the frequency and amplitude of the stator voltages with simultaneous switching of the phase sequence of these voltages. The step change of the voltage sequence is made in the designated ranges of the generator speed, which enables the stabilization of the output voltage in a wide range from the minimum speed of about 25% of the rated speed. Such sequence switching changes the number of pole pairs produced by the winding for each supply sequence. The difference compared to multi-speed induction machines is that, in the presented solution, there is only one winding, not a few, which enables good use of the machine’s magnetic core in the same dimensions as for the three-phase machine of a similar power. Steady-state characteristics and dynamic operation were obtained using laboratory measurements of a standalone nine-phase induction generator. The automatic control system maintained the output voltage at the set level, regardless of the generator load and driving power.

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“…As mentioned in Section 1, the control idea is derived from the speed control method presented in [2,4]. Instead of a speed controller, a DC voltage controller is applied.…”

Section: The Control Systemmentioning

confidence: 99%

Section: Laboratory Tests Of the Nine-phase Induction Generatormentioning

confidence: 99%