ABB Relion 650 Series Product Manual page 77

Transformer protection RET650
Version 2.2
Table 59. Voltage control TR1ATCC , TCMYLTC , continued
Function
Time after position change before the value is accepted
Tap changer constant time-out
Raise/lower command output pulse duration
Table 60. Voltage control TR1ATCC, TR8ATCC, TCMYLTC and TLCYLTC
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
Hitachi Power Grids
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Range or value
(1–60) s
(1–120) s
(0.5–10.0) s
Range or value
(0.1–200.0) Ω, primary
(1.0–100.0) s
(85.0–120.0)% of UB2
(0.2–9.0)% of UB2
(0.1–9.0)% of UB2
(80–180)% of UB2
(70–120)% of UB2
(0–120)% of UB2
(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 UB2
(-20.0–20.0)% of UB2
(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 504 172-BEN G
Accuracy
±0.2% or ±200 ms
whichever is greater
±0.2% or ±200 ms
whichever is greater
±0.2% or ±200 ms
whichever is greater
Accuracy
-
-
±0.5% of U
r
±5.0% of set value
±5.0% of set value
±0.5% of U
r
±0.5% of U
r
±0.5% of U
r
±0.5% ±110 ms
±0.5% ±110 ms
±0.5% ±110 ms
-
-
±5.0% of set value
±5.0% of set value
±1.0% of I at I≤I
r r
±1.0% of I at I>I
r
-
-
-
-
±1.0% of S
r
±1.0% of S
r
±0.5% ±110 ms
-
-
±0.5% ±110 ms
±0.5% ±110 ms
±0.5% ±110 ms
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