Checking The External Circuitry - ABB ProtectIT REL 551 2.5 Installation And Commissioning Manual

Differential protection terminal
Hide thumbs Also See for ProtectIT REL 551 2.5:
Table of Contents

Advertisement

About this chapter
Chapter 6

Checking the external circuitry

Chapter 6 Checking the
external circuitry
About this chapter
This chapter describes what to check and which checks that should be made to ensure a correct
connection to the external circuitry, such as auxiliary power supply, CT's and VT's. These
checks must be made with the protection terminal de-energised.
45

Advertisement

Table of Contents
loading

Table of Contents