8 Rockwell Automation Publication PFLEX-AP005A-EN-P - October 2010
Chapter 1 Drive Selection Considerations
Specifications and
Features
Selecting a PowerFlex 750-Series drive to replace a PowerFlex 700 drive
application must consider the features and differences between the PowerFlex
753 and PowerFlex 755 drives.
Table 1 - PowerFlex Drive Comparisons
PowerFlex Drive
700 Standard Cassette
700 Vector Cassette
Series B 753 755
Input Power
Ratings:
200-240V 0.37-45 kW (0.5-75 Hp) 0.37-66 kW (0.5-100 Hp) N/A N/A
400-480V 0.37-132 kW (0.5-200 Hp) 0.37-500 kW (0.5-700 Hp) 0.75-250 kW (1-350 Hp) 0.75-450 kW (1-700 Hp)
500-600V 0.37-132 kW (0.5-150 Hp) 0.37-132 kW (0.5-150 Hp) N/A N/A
690V 45-135 kW (60-150 Hp) 45-132 kW (60-150 Hp) N/A N/A
Single phase Yes, 50% derate Yes, 50% derate Yes, 50% derate Yes, 50% derate
Input inductor DC bus DC bus
Logic ride-through 0.5 seconds minimum,
2 seconds typical
0.5 seconds minimum,
2 seconds typical
0.5 seconds minimum,
2 seconds typical
0.5 seconds minimum,
2 seconds typical
Power ride-through 15 milliseconds 15 milliseconds 15 milliseconds 15 milliseconds
Transient protection MOV MOV MOV MOV
DC input terminals Yes Yes Frames 2…4 standard,
Frames 5…7 optional
Frames 2…4 standard,
Frames 5…8 optional
Output Power
Carrier frequency All frames: 2-10 kHz All frames: 2-10 kHz Frames 2…6: 2, 4, 8 and
12 kHz
Frame 7: 2, 4 and 8 kHz
Frames 2…6: 2, 4, 8 and
12 kHz
Frame 7: 2, 4 and 8 kHz
Frame 8: 2 and 4 kHz
Output frequency range 0-400 Hz 0-420 Hz 0-650 Hz 0-650 Hz
Efficiency 97.5% typical 97.5% typical 97.5% typical 97.5% typical
Power factor 0.98 0.98 0.98 0.98
Overload capability:
Light duty N/A N/A N/A 110%-60 s, 120%-3 s
(1)
Normal duty 110%-60 s, 150%-3 s 110%-60 s, 150%-3 s 110%-60 s, 150%-3 s 110%-60 s, 150%-3 s
Heavy duty 150%-60 s, 200%-3 s 150%-60 s, 200%-3 s 150%-60 s, 180%-3 s 150%-60 s, 180%-3 s
(1) Frame 8 only.
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