4ECHNICAL DATA
3*
6
# ' #
#HARACTERISTICS INVERSE TIME
USER SPECIFIED CHARACTERISTIC
DEFINED BY MAX PAIRS OF VALUES OF
CURRENT AND DELAY TIME
-EASURING TOLERANCE ACCORDING 6$% PART
DEFINITE TIME
OF SET VALUE
INVERSE TIME
PICK UP AT
))
P
4IME TOLERANCES
DEFINITE TIME
OF SET VALUE OR MS
INVERSE TIME WITHIN LINEAR RANGE
OF THEORETICAL VALUE FOR
))
%%P
CURRENT TOLERANCE AT LEAST MS
$ROP OFF RATIO
APPROX
.OTE
$UE TO THE HIGH SENSITIVITY OF THIS PROTECTION FUNCTION THE MEASURED CURRENT INPUT HAS RESTRICTED LINEARITY
RANGE OF TO ! 4HE FUNCTION WILL RESET ABOVE !
4HE SET TIMES ARE PURE DELAY TIMES IN DEFINITE TIME MODE
$IRECTIONAL DETERMINATION
-EASUREMENT
WITH )
%
)
AND 5
%
Q
5
-EASURING PRINCIPLE
MEASUREMENT OF ACTIVE AND REACTIVE POWER
-EASUREMENT RELEASE )
%% $)2%#
! TO !
STEPS !
$IRECTIONAL CHARACTERISTIC
)
%
|
COS
OR )
%
|
SIN
ADDITIONAL PHASE SHIFTING q POSSIBLE
#4 ANGLE ERROR CORRECTION OF SUMMATION CT
TO STEPS FOR OPERATING POINTS
FOR COMPENSATED SYSTEMS
OF THE CT CHARACTERISTIC
-EASURING TOLERANCE ACCORDING 6$% PART
OF SET VALUE
FOR )
%
!
!NGLE TOLERANCE IF 5
EN
VOLTAGE CONNECTED
FOR )
%
! TO !
FOR )
%
!
!NGLE TOLERANCE IF 5
EN
VOLTAGE NOT CONNECTED
.OTE
$UE TO THE HIGH SENSITIVITY OF THIS PROTECTION FUNCTION THE MEASURED CURRENT INPUT HAS RESTRICTED LINEARITY
RANGE OF TO ! .O CORRECT DIRECTIONAL DECISION IS ENSURED FOR CURRENTS ABOVE ! AT THIS CURRENT INPUT
ONLY FOR MODEL 3*
J JJJJ
JJJJ
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