Overview - ABB REL 551-C1 2.3 Series Installation And Commissioning Manual

Line differential protection terminal
Table of Contents

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Overview

Overview
The user must check the installation which includes verifying that the terminal is con-
nected to the other parts of the protection system. This is done with the terminal and all
connected circuits de-energised.
Chapter 6
Checking the external circuitry

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Table of Contents