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Rockwell Automation Publication 7000L-UM301F-EN-P - March 2020
23
Overview of Drive
Chapter 1
Specifications
Table 1 - General Design Specifications
Description
Motor Type
Induction or Synchronous
Input Voltage Rating
2400V, 3300V, 4160V, 6600V
Input Voltage Tolerance
± 10% of Nominal
Voltage Sag
(1)
-30%
Control Power Loss Ride-through
5 Cycles (Std)
> 5 Cycles (Optional UPS)
Input Protection
(2)
Surge Arrestors (AFE/Direct-to-Drive)
Metal Oxide Varistor (MOV) (18 Pulse)
Input Frequency
50/60 Hz, ±5%
Power Bus Input Short-circuit
Current Withstand (2400…6600V
(3)
)
25 kA RMS SYM, 5 Cycle
Basic Impulse Level
(4)
45 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
(5)
Vacuum Contactor with Fused Isolating Switch
or Circuit Breaker
Output Voltage
0…2400V
0…3300V
0…4160V
0…6000V, 0…6300V, 0…6600V
Inverter Design
PWM
Inverter Switch
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…440 Hz
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 isolation transformer
18 Pulse with separate isolation transformer
Rectifier Switch
SCR (18 Pulse), SGCT (AFE Rectifier)
Rectifier Switch Failure Mode
Non-rupture, Non-arc
Rectifier Switch Failure Rate (FIT)
50 (SGCT) 100 (SCR) per 1 Billion Hours Operation