A method to reduce common mode and differential mode dv/dt at the motor terminals in PWM rectifier/PWM inverter type adjustable speed drive systems

2002 ◽  
Author(s):  
D. Rendusara ◽  
P. Enjeti
Keyword(s):  
Pwm Rectifier ◽  
Differential Mode ◽  
Common Mode ◽  
Pwm Inverter ◽  
Adjustable Speed Drive ◽  
Adjustable Speed ◽  
Drive Systems

Mixed-Mode Effect on Motor Common Mode Current

2021 ◽  
Vol 35 (11) ◽  
pp. 1374-1375
Author(s):  
Vefa Karakasli ◽  
Gerd Griepentrog ◽  
Junsheng Wei ◽  
Danil Drozhzhin
Keyword(s):  
Mixed Mode ◽  
Frequency Range ◽  
Differential Mode ◽  
Common Mode ◽  
Measurement Result ◽  
Adjustable Speed Drive ◽  
Ac Motor ◽  
Mode Effect ◽  
Adjustable Speed

This paper presents the mixed-mode effect on motor common mode current (CMC) in an adjustable speed drive (ASD). It is expected that the motor CMC is lower than inverter output CMC. However, the measurement result of the ASD shows that the AC motor input CMC is higher than the inverter output CMC in a frequency range. By using a mixed-mode (MM) 6-port networks, it is proven that the AC motor input CMC is higher due to an MM CMC which is generated from differential mode current.

Cooling Systems of Large-Capacity Adjustable-Speed Drive Systems

2015 ◽  
Vol 51 (1) ◽  
pp. 148-158 ◽  
Author(s):  
Manish Verma ◽  
Douglas Phares ◽  
Izhak Grinbaum ◽  
James Nanney
Keyword(s):  
Cooling Systems ◽  
Large Capacity ◽  
Adjustable Speed Drive ◽  
Adjustable Speed ◽  
Drive Systems

Magnetically Coupled Adjustable Speed Drive Systems

2002 ◽  
Vol 99 (6) ◽  
pp. 38-59 ◽  
Author(s):  
William D. Chvála, Jr. ◽  
David W. Winiarski
Keyword(s):  
Adjustable Speed Drive ◽  
Adjustable Speed ◽  
Drive Systems
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