Introduction; This Manual; Presumptions For Technical Data; Intended Audience - ABB Relion 650 Series Commissioning Manual

1MRK 505 395-UEN C
Section 1
1.1

This manual

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 station 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.
1.1.1

Presumptions for Technical Data

The technical data stated in this document are only valid under the following circumstances:
1. Main current transformers with 1 A or 2 A secondary rating are wired to the IED 1 A rated
CT inputs.
2. Main current transformer with 5 A secondary rating are wired to the IED 5 A rated CT
inputs.
3. CT and VT ratios in the IED are set in accordance with the associated main instrument
transformers. Note that for functions which measure an analogue signal which do not
have corresponding primary quantity the 1:1 ratio shall be set for the used analogue inputs
on the IED. Example of such functions are: HZPDIF, ROTIPHIZ and STTIPHIZ.
4. Parameter
5. Parameter
phase voltage.
6. Parameter
•
7. The rated secondary quantities have the following values:
•
•
•
8. For operate and reset time testing, the default setting values of the function are used if
not explicitly stated otherwise.
9. During testing, signals with rated frequency have been injected if not explicitly stated
otherwise.
1.2

Intended audience

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.
Line differential protection RED650
Commissioning manual

Introduction

IBase used by the tested function is set equal to the rated CT primary current.
UBase used by the tested function is set equal to the rated primary phase-to-
SBase used by the tested function is set equal to:
IBase × UBase
√3 ×
Rated secondary phase current I
Rated secondary phase-to-phase voltage U
Rated secondary power for three-phase system S
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is either 1 A or 5 A depending on selected TRM.
r
is within the range from 100 V to 120 V.
r
= √3 × U
r
Section 1
Introduction
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r r
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