ABB REC670 Product Manual page 60

Bay control REC670
Pre-configured
Product version: 1.1
Table 50. Voltage control TR1ATCC, TR8ATCC, TCMYLTC and TLCYLTC
Function
Transformer reactance
Time delay for lower command
when fast step down mode is
activated
Voltage control set voltage
Outer voltage deadband
Inner voltage deadband
Upper limit of busbar voltage
Lower limit of busbar voltage
Undervoltage block level
Time delay (long) for automatic
control commands
Time delay (short) for automatic
control commands
Minimum operating time in inverse
mode
Line resistance
Line resistance
Load voltage adjustment constants
Load voltage auto correction
Duration time for the reverse action
block signal
Current limit for reverse action
block
Overcurrent block level
Level for number of counted raise/
lower within one hour
Level for number of counted raise/
lower within 24 hours
Time window for hunting alarm
Hunting detection alarm, max
operations/window
60
Range or value
(0.1–200.0)Ω, primary
(1.0–100.0) s
(85.0–120.0)% of UB
(0.2–9.0)% of UB
(0.1–9.0)% of UB
(80–180)% of UB
(70–120)% of UB
(0–120)% of UB
(3–1000) s
(1–1000) s
(3–120) s
(0.00–150.00)Ω, primary
(-150.00–150.00)Ω, primary
(-20.0–20.0)% of UB
(-20.0–20.0)% of UB
(30–6000) s
(0–100)% of I1Base
(0–250)% of I1Base
(0–30) operations/hour
(0–100) operations/day
(1–120) minutes
(3–30) operations/window
1MRK 511 192-BEN B
Issued: June 2010
Accuracy
-
-
±0.25% of U
r
-
-
± 1.0% of U
r
± 1.0% of U
r
± 1.0% of U
r
± 0.5% ± 10 ms
± 0.5% ± 10 ms
± 0.5% ± 10 ms
-
-
-
-
± 0.5% ± 10 ms
-
± 1.0% of I at I≤I
r r
± 1.0% of I at I>I
r
-
-
-
-
ABB