Equipment

Select the Equipment tab of the Options dialog box.

Figure 1: Equipment Tab of Options Dialog Box

X/R Calculation for Grouped Motors

For the purpose of X/R calculation, EasyPower enables you to set the average Hp for ANSI codes '<50' group, '>50' group, and 'lumped' group as chosen in the Motor Data dialog box.

Code Factors – Design

This factor is used to calculate the Design kVA (or Amp) values in for bus equipment. The code factor kVA (or Amp) value is multiplied by this factor to obtain the Design size.

Relay Calibration Multiple

The Database Reports for relays display the calibration Amps and Seconds at the specified multiples of pickup.

Cable Derating Based on: The LV cable ampacity calculations include the derating for Ambient temperature based on this selection. The choices are:

• <None>: No derating is applied for ambient temperature.
• US: The derating for ambient temperature is applied as per NEC (NEC 2005, Tables 310.16 - 310.19, pages 142 – 145).
• CSA: The derating for ambient temperature is applied as per CEC (CEC 2006, Part I, Table 5A, page 283).

Schedule Defaults – Scale: The graphical scale of schedules inserted in the drawings.

Auto-fill LV breaker trip with min values: When the Manufacturer, Type and Style are chosen for the trip, the settings are automatically selected at the minimum possible in the dialog box.

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