Toshiba GR200 Series Instruction Manual page 53
Centralized busbar protection ied
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6F2S1931 (0.20)
Scheme logic and setting for CT circuit failure detection
(iv)
Figure 2.1-16 shows the CTF detection logic
and alarms generated by the CTF function for
1
Check zone (DIFCH) and discriminating zone (DIFZA to DIFZF).
Centralized GRB200
(Soft: 030, 031, 032, 033, 034)
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