32 REM615 ANSI 5.0 FP1 MOTOR PROTECTION AND CONTROL
—
Characteristic
Operation accuracy
Depending on the frequency of the measured current: f
n
n
Start time
Minimum Typical Maximum
U
Fault
Reset time
Reset ratio Depends on the set Relative hysteresis
Retardation time
Operate time accuracy in definite time mode
Operate time accuracy in inverse time mode
Suppression of harmonics
n
n
n
, f
n
= 50 Hz, undervoltage in one phase-to-phase with nominal frequency injected from random phase angle, results based on
statistical distribution of 1000 measurements
2) Includes the delay of the signal output contact
3) Minimum Start value = 0.50, Start value multiples in range of 0.90...0.20
1) For further reference, see the Operation characteristics table
—
Parameter Function Step
Start value
PHPTUV
n
Time multiplier
PHPTUV
Operate delay time
PHPTUV
Operating curve type
PHPTUV
Definite or inverse time
—
Characteristic
Operation accuracy
Depending on the frequency of the measured current: f
n
n
Start time
Minimum Typical Maximum
U
Fault
U
Fault
Reset time
Reset ratio Depends on the set Relative hysteresis
Retardation time
Operate time accuracy in definite time mode
Suppression of harmonics
n
n
n
, f
n
= 50 Hz, positive sequence undervoltage with nominal frequency injected from random phase angle, results
based on statistical distribution of 1000 measurements
2 Includes the delay of the signal output contact
—
Parameter Function Step
Start value
PSPTUV
n
Operate delay time
PSPTUV
Voltage block value
PSPTUV
n
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