30 REM615 ANSI 5.0 FP1 MOTOR PROTECTION AND CONTROL
—
Characteristic
Operation accuracy
EFLPTOC
Depending on the frequency of the measured current: f
n
n
EFHPTOC
and
EFIPTOC
n
n
)
n
)
Start time
Minimum Typical Maximum
EFIPTOC
:
I
Fault
I
Fault
EFHPTOC and EFLPTOC:
I
Fault
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Operate time accuracy in inverse time mode
Suppression of harmonics
n
1 Not included in REM615
n
, f
n
= 50 Hz, earth-fault current with nominal frequency injected from random phase angle, results
based on statistical distribution of 1000 measurements
3 Includes the delay of the signal output contact
n
, Start value multiples in range of 1.5...20
—
Parameter Function Step
Start value
EFLPTOC
n
EFHPTOC
n
EFIPTOC
n
Time multiplier EFLPTOC and EFHPTOC
Operate delay time
EFLPTOC and EFHPTOC
EFIPTOC
Operating curve type
EFLPTOC
Definite or inverse time
EFHPTOC
Definite or inverse time
EFIPTOC
Definite time
1 Not included in this product
2 For further reference, see the Operation characteristics table
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