DG-IRMCK203 Datasheet, PDF (19/67 Pages) International Rectifier – Application Developer’s Guide

IRMCK203 Application Developer’s Guide
Ke
Motor voltage constant (in line-to-neutral rms volts per thousand rpm). Note that
some motor manufacturers provide data in line-to-line rms volts, in which case the
value must be converted to line-to-neutral voltage.
Poles
The number of motor poles.
Step 3. Enter Application Information
The application information section of the “User Entries” worksheet contains parameter settings that describe the
requirements of a specific application. The parameters are described below. To enter a value for each parameter,
double click in column D on the same line as the parameter name.
Figure 9. Application Information in User Entries Worksheet
Max RPM
This is the maximum speed (in rpm) required for the application. When motor
speed exceeds this value, the system will generate an Overspeed trip fault. It is
suggested that this value be set to the rated speed of the motor plus 20 percent.
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