Appendix e - specifications, Specifications, Appendix – Rockwell Automation 7000A PowerFlex Medium Voltage AC Drive - Air-Cooled (A Frame) User Manual
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Appendix
E
7000 “A” Frame
7000A-RM001A-EN-P – January 2011
Specifications
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%
Control Power Loss Ride-Through
5 Cycles (Std)
Input Protection
Surge Arrestors
Input Frequency
50/60 Hz, +/- 5%
Power Bus Short-circuit Current Withstand
5 Cycle
3300 V – 6000 V
25 kA 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
(optional)
Input Impedance Device
Isolation Transformer or AC Line Reactor
Output Voltage
0 – 2300 V
0 – 3300 V
0 – 4000 V
0 – 6000 or 6300 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
Voltage
SGCTs (per phase)
Number of Inverter SGCTs
2400 V
3300 V
4160 V
6600 V
2
4
4
6
Voltage
PIV
SGCT PIV Rating
(Peak Inverse Voltage)
2400 V
3300 V
4160 V
6600 V
6500 V
6500 V
6500 V
6500 V
Rectifier Designs
AFE (Active Front End)
Rectifier Switch
SGCT
Rectifier Switch Failure Mode
Non-rupture, Non-arc
Rectifier Switch Failure Rate (FIT)
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