ABB Relion 670 series - Introduction; This Manual; Intended Audience

Section 1 Introduction
1.1 This manual
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The operation manual contains instructions on how to operate the IED once it has been
commissioned. The manual provides instructions for the monitoring, controlling and setting of
the IED. The manual also describes how to identify disturbances and how to view calculated
and measured power grid data to determine the cause of a fault.
1.2 Intended audience
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This manual addresses the operator, who operates the IED on a daily basis.
The operator must be trained in and have a basic knowledge of how to operate protection
equipment. The manual contains terms and expressions commonly used to describe this kind
of equipment.
1MRK 500 127-UEN D Section 1
Introduction
670 series 5
Operation manual