7 Acceptance/Protection Function Test Guide
D02706R02.30
L-PRO 4000 User Manual
7-49
81 Timing Test Procedure
1. Monitor (Timer Stop) on Output Contact 8 (81-1).
2. Set timer start on instantaneous frequency shift 66.4 V @ 60 Hz to 60.6 Hz
transition.
Expect time delay of 500 ms + approximately 1.5 cycle detection time.
3. Apply the frequency shift.
Confirm the expected time delay.
Target “81-1”
4. Move (Timer Stop) to Output Contact 9 (81-2).
5. Set timer start on instantaneous frequency shift 66.4 V @ 60 Hz to 59.4 Hz
transition.
Expect time delay of 500 ms + approximately 1.5 cycle detection time.
6. Apply the frequency shift.
Confirm the expected time delay.
Target “81-2”
End of 81 test.
Содержание L-PRO 4000
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