Rockwell Automation 7000 PowerFlex Medium Voltage AC Drive (B Frame) - Classic Control - Manual (Page 27)

1-10 Overview of Drive
7000-UM150I-EN-P – June 2013 7000 “B” Frame
Description NEMA IEC
Number of Rectifier Devices
per phase
Voltage 6-Pulse 18-Pulse AFE
2400 V
3300 V
4160 V
6600 V 2
4
4
6 6
6
6
6 2
4
4
6
SCR PIV Rating
(Peak Inverse Voltage)
Voltage 6-Pulse 18-Pulse AFE
2400 V
3300 V
4160 V
6600 V 6500 V
6500 V
6500 V
6500 V 4500 V
4500 V
4500 V
6500 V 6500 V
6500 V
6500 V
6500 V
Output Current THD (1 st – 49 th ) < 5%
Output Waveform to Motor Sinusoidal Current / Voltage
Medium Voltage Isolation Fiber Optic
Modulation techniques
SHE (Selective Harmonic Elimination)
PWM (Pulse Width Modulation)
Control Method
Digital Sensorless Direct Vector
Full Vector Control with Tach Feedback (Optional)
Tuning Method Auto Tuning via Setup Wizard
Speed Regulator Bandwidth 5-25 Radians / Second
Torque Regulator Bandwidth 15-50 Radians / Second
Speed Regulation
0.1% without Tachometer Feedback
0.01-0.02% with Tachometer Feedback
Acceleration/Deceleration Range Independent Accel/Decel – 4 x 30 sec.
Acceleration/Deceleration Ramp
Rates
4 x Independent Accel/Decel
S Ramp Rate Independent Accel/Decel – 2 x 999 sec.
Critical Speed Avoidance 3 x Independent with Adjustable bandwidth
Stall Protection Delay / Speed
Load Loss Detection Adjustable level, delay, speed set points
Control Mode Speed or Torque
Current Limit Adjustable in Motoring and Regenerative
Output Frequency Range  0.2-75 Hz
Service Duty Rating
Normal Duty Heavy Duty
110% Overload for 1
minute every 10
minutes (Variable
Torque Load)
150% Overload for 1 minute
every 10 minutes
(Constant Torque Load)
Typical VFD Efficiency
> 98% (6/18 Pulse)
> 97.5% (AFE)
Contact Factory for Guaranteed Efficiency
of Specific Drive Rating
VFD Noise Level  < 85 dB(A) per OSHA Standard 3074
Regenerative Braking Capability Inherent – No Additional Hardware or Software Required
Flying Start Capability
Yes – Able to Start into and Control a Spinning Load in
Forward or Reverse Direction
Operator Interface
40-character, 16-line formatted text
0.1 Hz Display speed resolution
Languages
English Spanish
French Chinese
 Based on a motor 50 or 60 Hz base frequency
 Redundant fan and fan exhaust ducting options will affect noise level
Specifications (cont.)