Completing The Test; Function Revision History; Fault Current And Voltage Monitoring Function Fltmmxu; Verifying The Settings - ABB Relion 670 Series Commissioning Manual

Transformer protection
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1MRK 504 165-UUS Rev. J
4.
Compare the harmonic amplitude level value with the set warning limit value.
5.
Continue to inject the same level of harmonics level until the THDALM signal appears and note
down the time from THDWRN set to THDALM set.
6.
Compare the noted time value with the set time limit value of alarm.
Verifying the warning and alarm time limit of individual harmonic distortions IHD,
WrnLimit#HD and tDelayAlm#HD (where # = 2
1.
Supply the IED with voltage at rated value.
2.
Apply 2
3.
Slowly increase the harmonic amplitude until the 2NDHDWRN signal appears.
4.
Compare the harmonic amplitude level value with the set warning limit value.
5.
Continue to inject the same level of harmonics level until the 2NDHDALM signal appears and note
down the time from 2NDHDWRN signal set to 2NDHDALM signal set.
6.
Compare the noted time value with the set time limit value of alarm.
7.
Repeat Steps
11.14.11.2

Completing the test

Continue to test another function or end the test by changing the TestMode setting to Off. Restore
connections and settings to their original values, if they were changed for testing purposes.
11.14.12

Function revision history

Document
revision
A
B
C
D
E
F
H
J
11.14.13

Fault current and voltage monitoring function FLTMMXU

Prepare the IED for verification of settings as outlined in section
for test"
in this chapter.
11.14.13.1

Verifying the settings

Common test equipment can be used to determine the injection of current and voltage and time
measurement.
Transformer protection RET670
Commissioning manual
nd
order harmonic along with injected voltage signal.
2
to
6
for the harmonics until 9
Product
History
revision
2.2.1
-
2.2.1
-
2.2.2
-
2.2.3
-
2.2.3
-
2.2.4
-
2.2.4
-
2.2.5
New function release
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Testing functionality by secondary injection
nd
rd
th
th
, 3
, 4
...9
)
th
order.
"Requirements"
Section 11
GUID-17EC5D60-A748-46F4-8F13-A77E9CA3D17D v3
GUID-EDB51B29-9556-4EF4-94E6-5DC6B8C0F13A v1
GUID-0AA99E78-0C76-48B5-AA00-8E3201C0D263 v1
GUID-B976D374-CB18-441E-9A12-D4B351D6BF7F v1
GUID-22723399-65DD-44BD-B908-EDA67760065B v1
and section
"Preparing
GUID-1DC53D89-47B6-4376-BA3C-A39E4F143B88 v1
285

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