GE P444

Application Notes
P44x/EN AP/Hb
6
MiCOM P40 Agile P442, P444
(AP) 5-
33
3 DISTANCE PROTECTION AND DISTANCE SCHEME FUNCTIONS
The following sections detail the individual protection functions in addition to where and how
they may be applied.
The following section details the individual distance protection functions, in addition to where
they may be applied. It completes the P44x/EN ST section, where distance settings are
detailed. This section details:
• The “distance protection” menu setting: This section explains how the line
characteristics and the protection zones settings are applied to the relay,
• The “distance scheme” menu setting, where scheme setting are explained,
• Distance protection settings example, where:
 A double circuit line protection is shown,
 Additional details are given for three terminal lines applications,
Internal logic and an overview of the distance protection.
Figure 12: Distance protection