Function Block; Functionality; Operation Principle - ABB RELION 630 Series Technical Manual

Power management

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1MRS757256 F

PML630/Compact Load-Shedding Solution

Technical Manual

Function block

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Function block

The load-shedding trip command function LSPTRC is the output interface function.

Based on the operating input received from LSCACLS, LSPTRC provides the load-

shedding trip signals for individual sheddable loads of each load busbar.

The functional module diagram describes the operation of LSPTRC.

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Functional module diagram

Power management functions

General logic