ABB UniGear Digital, Commissioning And Testing Manual, Page: 13 / 98

INTRO DU CTIO N THIS MANU AL
1VLG5000 17 C 1
1 Introduction
1.1 This manual
The maintenance and commissioning guide provides information about maintenance and
commissioning activities on the UniGear Digital solution by providing details about its main
components and proven testing methods.
1.2 Intended users
This manual is intended to be used by protection relay, test and service engineers. The pro-
tection relay engineer needs to have a thorough knowledge of protection systems, protection
equipment, protection functions, configured functional logic in the protection relays and IEC
61850 engineering. The test and service engineers are expected to be familiar with the han-
dling of electronic equipment and medium voltage switchgear.