ABB RET670 Product Manual page 84

Transformer protection RET670 2.0
Product version: 2.0
Table 72. Voltage control TR1ATCC and TR8ATCC, continued
Function
Time after position change before the value is accepted
Tap changer constant time-out
Raise/lower command output pulse duration
84
Range or value
(1–60) s
(1–120) s
(0.5–10.0) s
1MRK 504 141-BEN C
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
ABB