Will your motor insulation survive a new adjustable-frequency drive?

Bell, Simon; Sung, J.

doi:10.1109/28.633811

Cited by 41 publications

(13 citation statements)

References 8 publications

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“…High-frequency switching can exacerbate the problem because of the numerous times this common-mode voltage is impressed upon the motor each cycle. The main problems reported have been "motor bearing failure" and "motor winding insulation breakdown" because of circulating currents, dielectric stresses, voltage surge, and corona discharge [3]- [5].…”

Section: Esigns For Heavy Duty Hybrid Electric Vehicles (Hevs)mentioning

confidence: 99%

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Charge balance control schemes for cascade multilevel converter in hybrid electric vehicles

Tolbert

Peng

Cunnyngham

et al. 2002

IEEE Trans. Ind. Electron.

320

128

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Section: Esigns For Heavy Duty Hybrid Electric Vehicles (Hevs)mentioning

confidence: 99%

“…The correct solution to (3) means that the output voltage of the 11-level inverter will not contain the 5th, 7th, 11th, and 13th harmonic components.…”

Section: Cascaded H-bridges Structure and Operationmentioning

confidence: 99%

Charge balance control schemes for cascade multilevel converter in hybrid electric vehicles

Tolbert

Peng

Cunnyngham

et al. 2002

IEEE Trans. Ind. Electron.

320

128

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“…Such resonance results in the amplified voltage and high voltage distortion in the system [14] [15]. Without a properly designed load filter to mitigate the resonance, large voltage spikes usually appear at voltage waveforms supplied to the downhole equipment (the downhole cable and the electrical submersible motor), which could cause insulation failure at the downhole cable and the ESP motor within short operation time [16]- [19].…”

Section: Introductionmentioning

confidence: 99%

Load filter design method for medium voltage drive applications in electrical submersible pump systems

Liang

Kar

Liu

2014

2014 IEEE Industry Application Society Annual Meeting

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Medium voltage drives are increasingly used in oil field facilities for high power electrical submersible pump (ESP) wells. The load filter remains to be a critical component in such applications. In this paper, a load filter design method for medium voltage drive applications in ESP systems is proposed, which is suitable for various types of medium voltage drives and with different lengths of cables involved in ESP systems. Computer simulation is conducted for a subsea-ESP system using a neutral point clamped (NPC) inverter medium voltage drive as a case study, three scenarios (no load filter, with an improperly designed load filter, and with the load filter designed using the proposed method) are investigated. The sensitivity study is also conducted using different lengths of cabling for the subsea-ESP system with the designed load filter installed. The simulation results of the case and sensitivity studies verify the effectiveness of the designed load filter using the proposed method. The designed load filter was installed with the same NPC inverter medium voltage drive used in the case study and commissioned in a test ESP well. Field measurements of the test well after the drive and the load filter were commissioned further verify the effectiveness of the proposed load filter design method.

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“…High-frequency switching can exacerbate the problem because of the numerous times this common mode voltage is impressed upon the motor each cycle. The main problems reported have been "motor bearing failure" and "motor winding insulation breakdown" because of circulating currents, dielectric stresses, voltage surge, and corona discharge [2]- [4].…”

Section: Introductionmentioning

confidence: 99%

Multilevel converters for large electric drives

Tolbert

Peng

Habetler

1999

IEEE Trans. on Ind. Applicat.

1,146

106

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Abstract-This paper presents transformerless multilevel converters as an application for high-power and/or high-voltage electric motor drives. Multilevel converters: 1) can generate nearsinusoidal voltages with only fundamental frequency switching; 2) have almost no electromagnetic interference or common-mode voltage; and 3) are suitable for large voltampere-rated motor drives and high voltages. The cascade inverter is a natural fit for large automotive all-electric drives because it uses several levels of dc voltage sources, which would be available from batteries or fuel cells. The back-to-back diode-clamped converter is ideal where a source of ac voltage is available, such as in a hybrid electric vehicle. Simulation and experimental results show the superiority of these two converters over two-level pulsewidthmodulation-based drives.Index Terms-Cascade inverter, common-mode voltage, diodeclamped inverter, electric vehicle, motor drive, multilevel converter, multilevel inverter.

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Will your motor insulation survive a new adjustable-frequency drive?

Cited by 41 publications

References 8 publications

Charge balance control schemes for cascade multilevel converter in hybrid electric vehicles

Charge balance control schemes for cascade multilevel converter in hybrid electric vehicles

Load filter design method for medium voltage drive applications in electrical submersible pump systems

Multilevel converters for large electric drives

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