Rockwell-automation SA3100 Distributed Power System Drv Config,Program Manual de usuario descargar pdf (Pagina 18)

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SA3100 Drive Configuration and Programming

Power Module

• Part Number

Select a part number from the list of supported Power modules (

x nnn

, where x is

the voltage code and nnn is the horsepower rating). The current ratings in the list

are the rated RMS currents at the drive’s default carrier frequency as listed in

Appendix H, with no overload at 40° ambient temperature. The power module is

capable of 150% of the maximum amps value for 1 minute. There is no default

selection. You must choose a part number from the list.

The motor must be able to operate off the Power Module selected at the voltage

level entered as the Input Voltage parameter. A warning will be issued when if an

incompatibility is found.

• Carrier Frequency

The carrier frequency selected will determine the Power Module’s switching

frequency. You can select from a list of preset carrier frequencies: 1.5 kHz, 2 kHz, 4

kHz, 6 kHz, 8 kHz, 10 kHz or 12 kHz; or you can enter a value between 1.5 kHz and

12 kHz in increments of 100 Hz. The hardware in some cases will have slightly

coarser resolution at the higher frequencies. See Appendix H for the default carrier

frequency and carrier frequency limit for the Power Module you have selected.

All Power Modules are rated at their default switching frequency, but they can be

operated above this limit by de-rating the unit’s output. Refer to the SA3100 Power

Modules instruction manual (S-3058) for more information.

2.3.2 Motor Data Screen (Vector with Constant Power)

The Motor Data parameter screen allows you to enter specific information about the

motor you are using. (If you are using a high slip motor, see Appendix B for additional

information.) See figure 2.5.

Figure 2.5 – Motor Data Parameter Entry Screen used for Constant Magnetization or Manual

Compensation

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Rockwell-automation SA3100 Distributed Power System Drv Config,Program Manual de usuario Pagina 18