Section 1 Introduction
1.1 This manual
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The commissioning manual contains instructions on how to commission the IED. The manual can also be
used by system engineers and maintenance personnel for assistance during the testing phase. The
manual provides procedures for the checking of external circuitry and energizing the IED, parameter
setting and configuration as well as verifying settings by secondary injection. The manual describes the
process of testing an IED in a substation which is not in service. The chapters are organized in the
chronological order in which the IED should be commissioned. The relevant procedures may be followed
also during the service and maintenance activities.
1.2 Intended audience
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This manual addresses the personnel responsible for commissioning, maintenance and taking the IED in
and out of normal service.
The commissioning personnel must have a basic knowledge of handling electronic equipment. The
commissioning and maintenance personnel must be well experienced in using protection equipment, test
equipment, protection functions and the configured functional logics in the IED.
1MRK 504 165-UUS Rev. J Section 1
Introduction
Transformer protection RET670 15
Commissioning manual
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