The handbook is intended for electricians and electrical engineers who deal with measurements on IT power supply systems or with their maintenance.
The handbook describes features, advantages and typical applications of IT power supply systems and the differences between IT and the most commonly used TN and TT power systems.
The handbook contains explanation of normal and fault operating conditions of IT installations and description of protective monitoring devices. All the measurements which should be done on IT systems and the way they should be performed are particularly explained are clearly illustrated.
International regulations and standards related to IT power supply system are represented in the handbook.
It is shown in the handbook that METREL installation safety testers which are equipped with IT system measuring mode allow to perform complete IT installation safety test fast and easy.
HANDBOOK “Measurements on IT power installation”
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