Rockwell Automation 7000A PowerFlex Medium Voltage AC Drive (A Frame) - ForGe Control - Manual (Page 198)

198 Rockwell Automation Publication 7000A-UM200C-EN-P - June 2014
Appendix H Specifications
Number of Inverter SGCTs Voltage SGCTs (per phase)
2400V
3300V
4160V
6600V 2
4
4
6
Inverter PIV Rating
(Peak Inverse Voltage) Voltage PIV (each device) Total PIV
2400V
3300V
4160V
6600V 6500V
6500V
6500V
6500V 6500V
13,000V
13,000V
19,500V
Rectifier Designs Direct-to-Drive (transformerless AFE rectifier)
AFE with separate isolated transformer
AFE with integrated transformer
Rectifier Switch SGCT (AFE Rectifier)
Rectifier Switch Failure Mode Non-rupture, Non-arc
Rectifier Switch Failure Rate (FIT) 50 (SGCT) per 1 Billion Hours Operation
Rectifier Switch Cooling Double Sided, Low Thermal Stress
Number of Rectifier Devices per phase Voltage AFE
2400V
3300V
4160V
6600V 2
4
4
6
Output Current THD (1
st
…49
th
) < 5%
Output Waveform to Motor Sinusoidal Current / Voltage
Medium Voltage Isolation Fiber Optic
Modulation techniques Selective Harmonic Elimination (SHE)
Synchronous Trapezoidal PWM
Asynchronous or Synchronous SVM (Space Vector Modulation)
Control Method Digital Sensorless Direct Vector
Full Vector Control with Encoder Feedback (Optional)
Tuning Method Auto Tuning via Setup Wizard
Speed Regulator Bandwidth 1...10 rad/s with standard control
1...20 rad/s with HPTC (optional)
Torque Regulator Bandwidth 15...50 rad/s with standard control
80...100 rad/s with HPTC (optional)
Torque Accuracy with HPTC (optional) +/- 5%
Speed Regulation 0.1% without Tachometer Feedback
0.01...0.02% with Tachometer Feedback
Acceleration/Deceleration Range Independent Accel/Decel – 4 x 30 s
Acceleration/Deceleration Ramp
Rates 4 x Independent Accel/Decel
S Ramp Rate Independent Accel/Decel – 2 x 999 s
Critical Speed Avoidance 3 x Independent with Adjustable bandwidth
Stall Protection Adjustable time delay
Load Loss Detection
Adjustable level, delay, speed set points
Table 13 - General Design Specifications
Description