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

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