Parameters 117
177.18 Transformer
temperature fault delay
Defines delay time for medium voltage transformer
overtemperature fault action.
0 s/ Real
0...3600 s Delay time 1 = 1 s
177.19 Transformer
temperature fault
current limit
Defines current limit for medium voltage transformer
overtemperature fault. The limit is active with all actions,
except “no action”.
10000 A/
Real
0....10000 A Transformer overtemperature fault current limit. 1 = 1 A
177.20 Transformer
temperature fault failure
logic
Selects the logic for medium voltage transformer
overtemperature fault failure. The fault is active high or
active low.
Active High/
List
Active Low 0
Active High 1
177.21 MV low oil level source Selects source for medium voltage transformer low oil
level signal.
See also Digital inputs on page 50.
Off/ List
Off 0
On 1
Digital input X20.1 2
Digital input X20.2 3
Digital input X20.3 4
Digital input X20.4 5
Digital input X20.5 6
Digital input X20.6 7
Digital input X20.7 8
Spare DI8 9
Spare DI9 10
Spare DI10 11
Spare DI11 12
Spare DI12 13
Other See Terms and abbreviations on page 57. -
177.22 Transformer low oil level
action
Selects medium voltage transformer low oil level action. No action/
List
No action 0
Delayed warning 1
Warning and delayed
fault
2
Delayed fault 3
Fault and delayed MV
breaker opening
4
177.23 Transformer low oil level
delay
Defines delay time for medium voltage transformer low
oil level action.
0 s/ Real
0...3600 s 1 = 1 s
177.24 Transformer low oil level
current limit
Defines current limit for medium voltage transformer low
oil level. The limit is active with all actions, except for “no
action”.
10000 A/
Real
0....10000 A 1 = 1 A
No. Name/Value Description Def/
FbEq16/32
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