GE EPM 7700 Network Card User Manual


 
152 PMCS Interface Toolkit
Power Factor
Shows the signed power factor value in percent.
Power Factor values derived from a source wired in a delta configuration are
displayed as "N/A".
Frequency
Frequency is shown in units of hertz.
Frequency is only displayed if the Frequency Tracking Reference setpoint is set to a
non-zero value.
Power Quality Tab
Universal Relay - Quality Tab
The Quality tab provides six buttons labeled S1 – S6. These buttons enable you to
select the source (1 – 6) for display. The text in the upper left corner of the tab
indicates which source is currently displayed. Buttons are disabled for sources that
have not been configured or enabled in the attached device. The Voltage parameters
displayed are dependent on CT/VT configuration of the device hardware.
For the selected source, the Quality tab displays actual values for Zero Sequence,
Positive Sequence, and Negative Sequence currents and voltages. The following
devices are supported: B30, C30, C60, D60, F30, F35, F60, G60, L60, L90, M60 and
T60. The displayed values are described below.
Current
Phasor magnitude and angle for negative, positive and zero sequence currents.