ABB REG316 4 Series Operating Instructions Manual page 655

ABB Switzerland Ltd
Utility Automation
Numerical generator protection
tripping angle
n1
n2
t-reset
Table 39: Power function (32)
· Measurement of real or apparent power
· Protection function based on either real or apparent power measurement
· Reverse power protection
· Over and underpower
· Single, two or three-phase measurement
· Suppression of DC components and harmonics in current and voltage
· Compensation of phase errors in main and input c.t's and v.t's
Settings:
Power pick-up
Characteristic angle
Delay
Phase error compensation
Rated power S
N
Reset ratio
Accuracy of the pick-up setting
Max. operating time without intentional
delay
Table 40: Breaker-failure protection (50BF)
Features
· Individual phase current recognition
· Single or three-phase operation
· External blocking input
· Two independent time steps
· Remote tripping adjustable simultaneously with retripping or backup tripping
· Possibility of segregated activating/deactivating each trip (Redundant trip, retrip, backup trip and remote
trip).
Settings
Current
Delay t1 (repeated trip)
Delay t2 (backup trip)
Delay tEFS (End fault protection)
Reset time for retrip
Reset time for backup trip
Pulse time for remote trip
0° to 180° in steps of 1°
0 to 20 in steps of 1
0 to 20 in steps of 1
0.5 s to 25 s in steps of 0.01 s
-0.1 to 1.2 S in steps of 0.005 S
N
-180° to +180° in steps of 5°
0.05 to 60 s in steps of 0.01 s
-5° to +5° in steps of 0.1°
· I
0.5 to 2.5 U in steps of 0.001 U
N N
30% to 170% in steps of 1%
±10% of setting or 2% U · I
N N
(for protection c.t.'s)
· I
±3% of setting or 0.5% U
N N
(for core-balance c.t.'s)
70 ms
0.2 to 5 I in steps of 0.01 I
N
0.02 to 60 s in steps of 0.01 s
0.02 to 60 s in steps of 0.01 s
0.02 to 60 s in steps of 0.01 s
0.02 to 60 s in steps of 0.01 s
0.02 to 60 s in steps of 0.01 s
0.02 to 60 s in steps of 0.01 s
REG316*4
1MRK502004-Ben
Page 27
N
· I
N N
N