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TEF1-BC
TEF1-BLKTRLS
Characteristic=Def
Characteristic=NI/VI/EI/RI
I
N
OperationLow=On
OperationHigh=On
TEF1-BLOCK
TEST
TEST-ACTIVE
BlockTEF1=Yes
TEF1-BLKTRHS
DirectionLow =
NonDir/Directional
OperationHigh =
NonDir/Directional
f
N
U
N
106
Two step definite and inverse time-
delayed residual
overcurrent protection (TEF1 and TEF2)
IN>Low
20%
+
Σ
2f
-
N
IN>High
50 ms
>1
t
&
1
IN>Dir
IN x cos( φ - 65) 100% FORWARD
60% REVERSE
UN>Dir
)LJXUH 6LPSOLILHG ORJLF GLDJUDP IRU WKH UHVLGXDO RYHUFXUUHQW SURWHFWLRQ
1000 ms
t
&
IN>Inv , k
>1
NI, VI, EI, RI
&
tMinInv
&
t
&
&
&
&
&
&
&KDSWHU
TEF1-TRSOTF
&
300 ms
t
tLow
t
>1
&
TEF1-TRLS
TEF1-STLS
tHigh
TEF1-TRHS
t
&
TEF1-STHS
TEF1-STFW
&
TEF1-STRV
&
en02000540.v sd
&XUUHQW
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