Protection Inputs And Outputs; Protection Virtual Inputs - GE D90 Plus Instruction Manual

Line distance protection system

Hide thumbs Also See for D90 Plus:

Table of Contents

CHAPTER 7: PROTECTION

Protection inputs and outputs

LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL

Figure 271: Composite recloser curve with HCT enabled

Configuring a composite curve with an increase in operating time at increased pickup

multiples is not allowed. If this is attempted, the EnerVista UR

an error message and discards the proposed changes.

Three groupings of protection inputs and outputs are defined: physical, shared, and virtual.

Within these three groupings there are two types: analog and digital.

There are 64 virtual inputs that can be individually programmed to respond to input signals

from the front panel interface and communications protocols. All virtual input operands

are defaulted to off (logic 0) unless the appropriate input signal is received.

Select the Settings > Protection > Protection Inputs/Outputs > Virtual Inputs menu item

to access the protection virtual input configuration settings.

PROTECTION INPUTS AND OUTPUTS

Setup software generates