a>b
a
b
Vpickup>
V
t
tReset1
t
t1
AND
TRST1
PU_ST1
OFF
Delay
ON
Delay
ANSI10000100-2-en.vsd
ANSI10000100 V2 EN
Figure 260:
Detailed logic diagram for step 1, DT operation
Pickup1
PICKUP
TRIP
tReset1
t1
ANSI10000037-2-en.vsd
ANSI10000037 V2 EN
Figure 261:
Example for Definite Time Delay stage rest
1MRK505222-UUS C
Section 8
Voltage protection
511
Technical reference manual
Summary of Contents for Relion 670 series
Page 1: ...Relion 670 series Line differential protection RED670 ANSI Technical reference manual...
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