GUID-83B0F607-D898-403A-94FD-7FE8D45C73FF v9
Table 153. Insulation supervision for liquid medium function SSIML
Function Range or value Accuracy
Oil alarm level 1.00-100.00 ±10.0% of set value or 0.2 whichever is greater
Oil lockout level 1.00-100.00 ±10.0% of set value or 0.2 whichever is greater
Temperature alarm level -40.00-200.00 ±2.5% of set value or 1 whichever is greater
Temperature lockout level -40.00-200.00 ±2.5% of set value or 1 whichever is greater
Time delay for oil alarm (0.000-60.000) s ±0.2% or ±250ms whichever is greater
Reset time delay for oil alarm (0.000-60.000) s ±0.2% or ±250ms whichever is greater
Time delay for oil lockout (0.000-60.000) s ±0.2% or ±250ms whichever is greater
Time delay for temperature alarm (0.000-60.000) s ±0.2% or ±250ms whichever is greater
Reset time delay for temperature alarm (0.000-60.000) s ±0.2% or ±250ms whichever is greater
Time delay for temperature lockout (0.000-60.000) s ±0.2% or ±250ms whichever is greater
GUID-B6799420-D726-460E-B02F-C7D4F1937432 v9
Table 154. Circuit breaker condition monitoring SSCBR
Function Range or value Accuracy
Alarm level for open and close travel time (0 – 200) ms ±3 ms
Alarm level for number of operations (0 – 9999) -
Independent time delay for spring
charging time alarm
(0.00 – 60.00) s ±0.2% or ±30 ms whichever is greater
Independent time delay for gas pressure
alarm
(0.00 – 60.00) s ±0.2% or ±30 ms whichever is greater
Independent time delay for gas pressure
lockout
(0.00 – 60.00) s ±0.2% or ±30 ms whichever is greater
CB Contact Travel Time, opening and
closing
±3 ms
Remaining Life of CB ±2 operations
Accumulated Energy ±1.0% or ±0.5 whichever is greater
M14987-1 v7
Table 155. Fault locator LMBRFLO
Function Value or range Accuracy
Reactive and resistive reach (0.001-1500.000) Ω/phase ±2.0% static accuracy
Conditions:
Voltage range: (0.1-1.1) x U
r
Current range: (0.5-30) x I
r
Phase selection According to input signals -
Maximum number of
disturbance reports
200 -
Line differential protection RED670
1MRK 505 379-BEN N
134 Hitachi Power Grids
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