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

Overview of Drive 1-9
7000 “A” Frame 7000A-UM150F-EN-P – June 2013
Description Specifications
Power Rating (Air Cooled) 200 to 1250 hp (150 to 933 kW)
Motor Type Induction or Synchronous
Input Voltage Rating 2400V, 3300V, 4160V, 6600V
Input Voltage Tolerance ± 10% of Nominal
Voltage Sag  -30%
Power Loss Ride-Through 5 Cycles (Std)
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
Input Impedance Device Isolation Transformer or AC Line Reactor
Output Voltage
0 – 2300 V
0 – 3300 V
0 – 4160 V
0 – 6600 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 SGCT’s
Voltage SGCTs (per phase)
2400 V
3300 V
4160 V
6600 V 2
4
4
6
SGCT PIV Rating
(Peak Inverse Voltage)
Voltage PIV
2400 V
3300 V
4160 V
6600 V 6500 V
6500 V
6500 V
6500 V
Rectifier Designs
6 Pulse
PWM (Active Front End)
Rectifier Switch SCR (6 Pulse), SGCT (PWM Active Front End)
Rectifier Switch Failure Mode Non-rupture, Non-arc
Rectifier Switch Failure Rate (FIT) 50 (SCR) 100 (SGCT) per 1 Billion Hours Operation
Rectifier Switch Cooling Double Sided, Low Thermal Stress
 Voltage Sag tolerance is reduced to -25% when control power is supplied from medium voltage via CPT.
 Short-circuit fault rating based on input protection device (contactor or circuit breaker).
 BIL rating based on altitudes < 1000 m (3,300 ft.) Refer to factory for derating on altitudes >1000 m).
Specifications