ABB Relion 670 series - Completing the Test; Fault Current and Voltage Monitoring Function FLTMMXU; Function Revision History; Verifying the Settings

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
nd
, 3
rd
, 4
th
…9
th
)
GUID-17EC5D60-A748-46F4-8F13-A77E9CA3D17D v3
1. Supply the IED with voltage at rated value.
2.
Apply 2
nd
order harmonic along with injected voltage signal.
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
2 to 6 for the harmonics until 9
th
order.
11.14.11.2 Completing the test
GUID-EDB51B29-9556-4EF4-94E6-5DC6B8C0F13A v1
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
GUID-0AA99E78-0C76-48B5-AA00-8E3201C0D263 v1
Document
revision
Product
revision
History
A 2.2.1 -
B 2.2.1 -
C 2.2.2 -
D 2.2.3 -
E 2.2.3 -
F 2.2.4 -
H 2.2.4 -
J 2.2.5 New function release
11.14.13 Fault current and voltage monitoring function FLTMMXU
GUID-B976D374-CB18-441E-9A12-D4B351D6BF7F v1
GUID-22723399-65DD-44BD-B908-EDA67760065B v1
Prepare the IED for verification of settings as outlined in section
"Requirements" and section "Preparing
for test" in this chapter.
11.14.13.1 Verifying the settings
GUID-1DC53D89-47B6-4376-BA3C-A39E4F143B88 v1
Common test equipment can be used to determine the injection of current and voltage and time
measurement.
1MRK 504 165-UUS Rev. J Section 11
Testing functionality by secondary injection
Transformer protection RET670 285
Commissioning manual
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