This dialog box includes the following areas and tabs:
See Common Tabs for information on the Location, Comments, Hyperlinks, Media Gallery, or Collected Data tabs.
Figure 1: Zigzag Data Dialog Box
Option | Description |
---|---|
Voltage Rating (kV) | Transformer nameplate rated kV. |
Impedance (Ohms) | Transformer nameplate impedance in ohms. This is the impedance between each line terminal and neutral. |
R | Transformer neutral ground resistance in ohms. |
jX | Transformer neutral ground reactance in ohms. |
Use the Harmonics tab to indicate whether this equipment item is introducing harmonics into your power system.
Figure 2: Harmonics Tab
Option | Description | |||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Resistance Factor |
EasyPower offers two methods for calculating RH:
RH = RFund * H R-EXP RH = RFund * (1+ECF*H2)/(1+ECF) EasyPower defaults all skin effect correction to R-EXP and a value of 0.5.
|
|||||||||||||||||||||
Fundamental Amps |
Use to set the fundamental amps. The options are as follows:
To use fundamental current calculated by power flow, select Calculated from Power Flow in the Summation Fundamental Voltage area of the Harmonics Options > Control dialog box. |
See Common Tabs for information on the Location, Comments, Hyperlinks, Media Gallery, or Collected Data tabs.
Database Technical Reference | Common Tabs |
Media Gallery |