Rockwell Automation 7000L PowerFlex Medium Voltage AC Drive (C Frame) - Classic Control - Manual (Page 28)

1-10 Overview of Drive
7000L-UM300I-EN-P – June 2013 7000 “C” Frame
Specifications
Description NEMA IEC
Power Rating (Liquid Cooled) 3000-9000 hp 2240-6715 kW
Motor Type Induction or Synchronous
Input Voltage Rating 3300V , 4160V, 6600V, 6900V
Input Voltage Tolerance ± 10% of Nominal
Voltage Sag -30%
Power Loss Ride-Through
5 Cycles (Std)
> 5 Cycles (Optional UPS)
Input Protection Metal Oxide Varistor (MOV)
Input Frequency 50/60 Hz, +/- 5%
Input Short-circuit Current Withstand 5 Cycle
3300 V – 6000 V  25 MVA RMS SYM
Basic Impulse Level  50 kV (0 – 1000 m)
Power Bus Design Copper – Tin plated
Ground Bus Copper – Tin plated 6 x 51 mm (¼ x 2 in.)
Customer Control Wire Way Separate and Isolated
Input Power Circuit Protection
Vacuum Contactor with Fused Isolating Switch
or
Circuit Breaker
Input Impedance Device Isolation Transformer or AC Line Reactor
Output Voltage
0 – 3300 V 
0 – 4160 V
0 – 6600 V
0 – 6900 V
Inverter Design PWM
Inverter Switch Symmetrical Gate Commutated Thyristor (SGCT)
Inverter Switch Failure Mode Non-rupture, Non-arc
Inverter Switch Failure Rate (FIT) 100 per 1 Billion Hours Operation
Inverter Switch Cooling Double Sided, Low Thermal Stress
Inverter Switching Frequency 420-540 Hz
Number of Inverter SGCTs
Voltage SGCTs (per phase)
3300/4160 V
6600/6900 V 4
6
SGCT PIV Rating
(Peak Inverse Voltage)
Voltage PIV
3300/4160 V
6600/6900 V 6500 V
6500 V
Rectifier Designs
18 Pulse
PWM (Active Front End)
Rectifier Switch SCR (18 Pulse), SGCT (PWM Rectifier)
Rectifier Switch Failure Mode Non-rupture, Non-arc
Rectifier Switch Failure Rate (FIT) 100 per 1 Billion Hours Operation
Rectifier Switch Cooling Double Sided, Low Thermal Stress
Number of Rectifier Devices per phase
Voltage 18-Pulse PWM
3300 V
4160 V
6600 V 6
6
6 4
4
6
SCR PIV Rating
(Peak Inverse Voltage)
Voltage 18-Pulse PWM
3300 V
4160 V
6600 V 4500 V
4500 V
6500 V 6500 V
6500 V
6500 V
Output Waveform to Motor Sinusoidal Current / Voltage
Medium Voltage Isolation Fiber Optic
Modulation techniques
SHE (Selective Harmonic Elimination)
PWM (Pulse Width Modulation)
 For 3300V designs, contact factory.
 Short-circuit fault rating based on input protection device (contactor or circuit breaker)
 BIL derating based on altitudes < 1000 m (3,300 ft.) Refer to factory for derating.