Voltage
Time
HystAbs1
PICKUP
TRIP
PICKUP
Pickup1
PICKUP
TRIP
t
tIReset1
Time
Time
Integrator
t
Frozen Timer
Linearly decreased
Instantaneous
Measured Voltage
tIReset1
ANSI05000020-2-en.vsd
ANSI05000020 V2 EN
Figure 266:
Voltage profile causing a reset of the PICKUP signal for step 1, and inverse time delay
Definite timer delay
When definite time delay is selected, the function will operate as shown in figure
.
Detailed information about individual stage reset/operation behavior is shown in figure
respectively. Note that by setting
tResetn
=
0.0s
, instantaneous reset
of the definite time delayed stage is ensured.
Section 8
1MRK505222-UUS C
Voltage protection
522
Technical reference manual
Summary of Contents for Relion 670 series
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