ERL L-PRO 4000, Руководство пользователя

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7 Acceptance/Protection Function Test Guide
7-44 L-PRO 4000 User Manual D02706R02.30
3. Apply 3-phase negative sequence currents to the relay terminals:
Ph A: 300
–
301, 5.1A

-80

Ph B: 302
–
303, 5.1A

+40

Ph C: 303
–
304, 5.1A

+160

Observe 46-50 Trip = High
4. Slowly ramp up Phase A current to activate Directional Control:
At 5.67 to 5.73 A (expect 5.7 A):
46-50 Trip = Low
5. Turn currents off.
End of Directional 50ILpos Threshold test.
50BF (Breaker
Fail) and 50LS
(Low Set
Overcurrent)
Tests
Settings
Main:
• 50LS Pickup: 1.0 A,
• Time Delay: 0.00 seconds
• 50BF Time Delay 1: 5.0 seconds
• 50BF Time Delay 2: 10.0 seconds
Auxiliary:
• 50LS Pickup: 1.0 A
• Time Delay: 0.00 seconds
• 50BF Time Delay 1: 5.0 seconds
• 50BF Time Delay 2: 10.0 seconds
Input 3:
• 50LS Pickup: 0.3 A
• Time Delay: 1.00 second
(50LS used with Virtual Input 3 to make Breaker Fail for Breaker 3)
Input 4:
• 50LS Pickup: 0.3 A
• Time Delay: 1.00 second
(50LS used with Virtual Input 4 to make Breaker Fail for Breaker 4)
Main and Aux. Breaker Fails are set to be initiated via the Output Matrix from
50LS Pickup (1.0 A Main and Aux and 0 time delay). Note: Requires a mini-
mum of 0.2 A on any phase to arm Breaker Fail.