Power System; Installation Settings - GE D90 Plus Instruction Manual

Line distance protection system

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Table of Contents

CHAPTER 7: PROTECTION

Power system

LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL

setting — This setting is used to control whether the pickup, dropout, or

operate states are recorded by the event recorder. When set to "Disabled," element

pickup, dropout, or operate are not recorded as events. When set to "Enabled," events

are created for

<Element> PKP

<Element> DPO

<Element> OP

The DPO event is created when the measure and decide comparator output transits

from the pickup state (logic 1) to the dropout state (logic 0). This can happen when the

element is in the operate state if the reset delay time is not zero.

This section outlines settings relevant to the D90

Select the Settings > Protection > Power System > Installation menu to open the

installation settings window.

The following settings are available.

Relay Settings

Range: Programmed, Not Programmed

Default: Not Programmed

To safeguard against the installation of a device without any entered settings, the

does not allow signaling of any output relay until this setting value is

"Programmed." This setting is "Not Programmed" by default. The

self-test error message displays until the relay is put into the

"Programmed" state.

Range: up to 20 alphanumeric characters

Default: -----

This setting allows the user to uniquely identify a relay. This name appears on generated

power system.

Figure 153: Installation settings

POWER SYSTEM