Specifications tables, Appendix a, 7760, 7761, 7762, and 7763 smc flex specifications – Rockwell Automation 7763 Medium Voltage OneGear SMC Flex Motor Controller (10-15 kV) User Manual
Page 121: Appendix
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Rockwell Automation Publication 7760-UM001D-EN-P - October 2014
121
Appendix
A
7760, 7761, 7762, and 7763 SMC Flex
Specifications
Specifications Tables
Table 41 - Electrical Ratings (Bulletin 7761)
Electrical Ratings
IEC
Power Circuit
Method of Connection
Motor in delta or star; SCRs between windings and supply
Number of Poles
Equipment designed for three phase loads only
Rated Voltage (Ur)
12 kV / 15 kV
Rated Insulation Voltage (Ui)
12 kV / 15 kV
Rated Impulse Voltage (Uimp)
75 kV / 95 kV
Dielectric Withstand
28 kV / 36 kV
Repetitive Peak Inverse Voltage Rating
32500 / 39000
Output Rating
100…15,000 Hp
75…11,000 kW
Semi-Conductor Isolation
Fiber optic
Operating Frequency
50/60 Hz
dv/dt Protection
RC Snubber Network
Transient Protection
Integrated overvoltage trigger circuit
Rated Current
160 A
340 A
580 A
dv/dt
1000V/μs
di/dt
100 A/μs
Voltage Drop (Line to Output Terminals)
2.5V per SCR without bypass;
Less than 1.0V with bypass, total
Overall Efficiency
99.95% with bypass
Initial Torque
0…90% of motor locked rotor torque
Thermal Capacity
600%, 10 seconds
450%, 30 seconds
Ramp Time
0…30 seconds
(Consult Factory for Longer Time)
Kickstart
0…90% of motor locked rotor torque for 0.0…2.0 seconds