Completing The Test; Thermal Overload Protection, One Time Constant, Celsius/Fahrenheit Lcpttr/Lfpttr; Measuring The Operate And Time Limit Of Set Values; Thermal Overload Protection, Two Time Constants Trpttr - ABB RELION REG670 Commissioning Manual

1MRK 502 067-UEN B
The expected value depends on whether definite time
selected.
4. Continue to test another function or complete the test by setting the test mode to
Residual overvoltage release and protection
Procedure
1. Measure that the operate voltage is equal to the
The function activates the START and STUN signals.
2. Measure the operate time by injecting a voltage 1.2 times set
3. Compare the result with the set
4. Inject a voltage 0.8 ·
function at the chosen angle.
5. Increase the voltage until the directional function is released.
6. Compare the measured value with the set
12.5.6.2

Completing the test

Continue to test another function or end the test by changing the
Restore connections and settings to their original values, if they were changed for testing
purposes.
12.5.7 Thermal overload protection, one time constant, Celsius/
Fahrenheit LCPTTR/LFPTTR
Prepare the IED for verification of settings as outlined in section
section
Check that the input logical signal BLOCK is logical zero and that on the local HMI, the logical
signal TRIP, START and ALARM are equal to logical zero.
12.5.7.1

Measuring the operate and time limit of set values

Testing the protection without external temperature compensation (NonComp)
12.5.7.2 Completing the test
Continue to test another function or end the test by changing the
Restore connections and settings to their original values, if they were changed for testing
purposes.
12.5.8

Thermal overload protection, two time constants TRPTTR

Prepare the IED for verification of settings as outlined in section
section
12.5.8.1

Checking operate and reset values

Commissioning manual
UNRel> and a current high enough to operate the directional
"Preparing for test" in this chapter.
"Preparing for test" in this chapter.
tINNonDir or inverse time was
UN> setting.
tUN operate value.
UNRel> operate value.
Testing functionality by secondary injection
SEMOD175060-131 v6
UN> operate value.
SEMOD175060-148 v4
TestMode setting to Off .
"Requirements" and
TestMode setting to Off .
"Requirements" and
Section 12
Off .
M14950-2 v7
M14950-8 v3
M14950-10 v10
M14950-48 v5
SEMOD53632-3 v5
SEMOD53632-11 v7
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