ABB Relion 670 series, Technical Manual

Page: 770 / 1432

14.1.8 Technical data
M12359-1 v12
Table 447: SESRSYN (25) technical data
Function Range or value Accuracy
Phase shift, j
line
- j
bus
(-180 to 180) degrees -
Voltage high limit for synchronism check ±0.5% of V
n
at V ≤ V
n
±0.5% of V at V > V
n
Reset ratio, synchronism check > 95% -
Frequency difference limit between bus and
line for synchronism check
(0.003-1.000) Hz ±2.5 mHz
Phase angle difference limit between bus and
line for synchronism check
(5.0-90.0) degrees ±2.0 degrees
Voltage difference limit between bus and line
for synchronism check
(0.02-0.5) p.u ±0.5% of V
n
Time delay output for synchronism check (0.000-60.000) s ±0.2% or ±35 ms whichever is
greater
Frequency difference minimum limit for
synchronizing
(0.003-0.250) Hz ±2.5 mHz
Frequency difference maximum limit for
synchronizing
(0.050-0.500) Hz ±2.5 mHz
Maximum allowed frequency rate of change (0.000-0.500) Hz/s ±10.0 mHz/s
Breaker closing pulse duration (0.050-60.000) s ±0.2% or ±15 ms whichever is
greater
tMaxSynch, which resets synchronizing
function if no close has been made before set
time
(0.000-6000.00) s ±0.2% or ±35 ms whichever is
greater
Minimum time to accept synchronizing
conditions
(0.000-60.000) s ±0.2% or ±35 ms whichever is
greater
Voltage high limit for energizing check ±0.5% of V
n
at V ≤ V
n
±0.5% of V at V > V
n
Reset ratio, voltage high limit > 95% -
Voltage low limit for energizing check ±0.5% of V
n
Reset ratio, voltage low limit < 105% -
Maximum voltage for energizing ±0.5% of V
n
at V ≤ V
n
±0.5% of V at V > V
n
Time delay for energizing check when voltage
jumps from 0 to 90% of Vrated
(0.000-60.000) s ±0.2% or ±100 ms whichever is
greater
Trip time for synchrocheck function when
angle difference between bus and line jumps
from “PhaseDiff” + 2 degrees to “PhaseDiff” - 2
degrees
Min. = 15 ms
Max. = 30 ms
–
Trip time for energizing function when voltage
jumps from 0 to 90% of Vrated
Min. = 70 ms
Max. = 90 ms
–
Section 14 1MRK 502 066-UUS B
Control
764
Technical manual