GE D90 Plus Instruction Manual page 73

Line distance protection system

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Table of Contents

CHAPTER 4: INTERFACES

LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL

Figure 38: Digital fault recorder - example summary page

The sequence of events record can be accessed from this page. Using the navigations

keys, the user can scroll or page through the events list. Two cursors are provided for

measurement of the time difference between events.

Figure 39: Example sequence of events record

Principal fault information measured by D90

recorder menu.

The digital fault recorder menu transient record menu lists all of the records currently

stored in the D90

. It also indicates the status of the trigger, where:

Green indicates that the trigger is not active.

Red indicates an active trigger.

can also be accessed from the digital fault

Figure 40: Example fault record

FRONT PANEL OVERVIEW