I.L. 40-385.5
10-8
the output signal of S3PT after the single-phasing-
limit-timer (62T) times out, to prevent overheating on
generator(s). The range of the 62T timer is 300-5000
ms in 50 ms steps. Its setting should be based on the
generator's (I
2
)
2
t capability.
10.2.8 Three-pole-trip (3PT) with three-pole-reclos-
ing initiate (RI2) on all multi-phase faults.
Refer to Figure 38, for example, on an AB-fault,
P3PT signal from AND-76 will trip 3-pole. Three-
pole-reclosing initiate (RI2) will pick up if the TTYP is
selected to 2PR, 3PR or SR3R.
10.2.9 Three-pole-trip occurs with or without three-
pole-reclosing initiate on all faults if the func-
tional display trip-mode selector “TTYP” is
not selected to SPR or SR3R.
10.3 16 OSCILLOGRAPHIC RECORDS
Refer to chapter 11 for detail.