ABB Relion 670 Series Technical Reference Manual page 75
Line differential protection ansi
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Also See for Relion 670 Series:
- Technical manual (1432 pages) ,
- Applications manual (944 pages) ,
- Technical reference manual (752 pages)
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1MRK505222-UUS C
Technical reference manual
Activating
signal 1
Activating
signal 2
LED 1
LED 2
Automatic
reset
Manual
reset
IEC01000240 V2 EN
Figure 17:
Operating sequence 6 (LatchedReset-S), two different disturbances
Figure 18
shows the timing diagram when a new indication appears after the first one
has reset but before tRestart has elapsed.
Disturbance
tRestart
Section 3
Local HMI
Disturbance
tRestart
IEC01000240_2_en.vsd
69
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