ABB Relion 650 Series Product Manual page 45

Transformer protection RET650
Version 1.1 ANSI
Control
Table 41. Voltage control TR8ATCC (90), TCMYLTC (84)
Function
Transformer reactance on ATCC side
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 reactance
Load voltage adjustment constants
Load voltage auto correction
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
Alarm level of active power in forward and reverse direction
Alarm level of reactive power in forward and reverse direction
Time delay for alarms from power supervision
Tap position for lowest and highest voltage
Type of code conversion
Time after position change before the value is accepted
Tap changer constant time-out
Raise/lower command output pulse duration
ABB Power Grids
SEMOD175215-2 v6
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Range or value
(0.1–200.0)Ω, primary
(1.0–100.0) s
(85.0–120.0)% of VB2
(0.2–9.0)% of VB2
(0.1–9.0)% of VB2
(80–180)% of VB2
(70–120)% of VB2
(0–120)% of VB2
(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 VB2
(-20.0–20.0)% of VB2
(0–250)% of IBase
(0–30) operations/hour
(0–100) operations/day
(1–120) minutes
(3–30) operations/window
(-9999.99–9999.99) MW
(-9999.99–9999.99) MVAr
(1–6000) s
(1–63)
Binary, BCD, Gray, ContactPerTap
(1–60) s
(1–120) s
(0.5–10.0) s
1MRK 504 127-BUS B
IP11404-1 v2
Accuracy
-
-
±0.5% of V
n
± 5,0% of set value
± 5,0% of set value
± 0.5% of V
n
± 0.5% of V
n
± 0.5% of V
n
± 0.5% ± 110 ms
± 0.5% ± 110 ms
± 0.5% ± 110 ms
-
-
± 5,0% of set value
± 5,0% of set value
at I≤I
± 1.0% of I
n n
± 1.0% of I at I>I
n
-
-
-
-
± 1.0% of S
n
± 1.0% of S
n
± 0.5% ± 110 ms
-
-
± 0.5% ± 25 ms
± 0.5% ± 25 ms
± 0.5% ± 25 ms
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