TRIP
U1>
TRIP
t
Time
Time
Integrator
t
Frozen Timer
Instantaneous
Voltage
Voltage
Time
HystAbs1
START
START
tIReset1
Measured
tIReset1
Linearly decreased
IEC09000055-2-en.vsd
IEC09000055 V2 EN-US
Figure 75:
Voltage profile not causing a reset of the START signal for step 1, and inverse time delay at
different reset types
1MRK 505 384-UEN A
Section 7
Voltage protection
Breaker protection REQ650 2.2 IEC
185
Technical manual
Summary of Contents for impreza 2017
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