ABB Relion 670 series - Page 612

Voltage
Time
HystAbs1
PICKUP
TRIP
PICKUP1
PICKUP
TRIP
tIReset1
Time
Time
Integrator
t
Frozen Timer
Linearly
decreased
Instantaneous
Measured
Voltage
ANSI055000010‐4‐en.vsdx
ANSI05000010 V4 EN-US
Figure 324: Voltage profile not causing a reset of the pickup signal for step 1, and inverse time delay at
different reset types
Section 9 1MRK 502 066-UUS B
Voltage protection
606
Technical manual