Alstom SHPM 101 - Bandpass Filter Switching Logic

SERVICE MANUAL R5888C
QUADRAMHO Chapter 2
Appendix A
Page 57 of 71
Figure 66: Bandpass filter switching logic
VOLTAGE DETECTOR LDOV
A
INHIBIT COMPARATORS
ENABLE BANDPASS
FILTERS
VOLTAGE DETECTOR LDOV
B
VOLTAGE DETECTOR LDOV
C
ANY POLE DEAD
0.15ms
14ms 0.05ms
00
&
& &