
I.L. 40-386.3
(10/94)
2-11
The program is further controlled by the
RI Type
setting:
RI Type
setting
NO RI:
3PRN provides no output,
therefore, will not operate RI2.
RI Type
setting
ØG RI:
3PRN will provide output “1”
on single-phase-to-ground
fault only and will operate
RI2.
RI Type
setting
ØØ, ØG, RI:
3PRN will provide output “1”
on single- phase- to- ground
fault or 2-phase faults, and
will operate RI2.
RI Type
setting
3Ø, ØØ, ØØG, ØØ RI:
3PRN will provide output “1” on any
type of fault, and will operate RI2.
The
Zone1 RI (Z1RI), Zone2 RI (Z2RI)
and
Zone3 RI (Z3RI)
settings are provided for pro-
gramming on applications where the Reclosing Initiation on Zone1, Zone2 or Zone3
trip is desired. Logic AND-62A is controlled by the signal of 3PRN, therefore, the setting
of
ØG RI (1PR), ØØ, ØG, RI (2PR)
and
3Ø, ØØ, ØØG, ØØ RI (3PR)
also affect the Zone1RI,
Zone2RI and Zone3RI.
In general, the
Reclosing Block (RB)
relay will operate on TDT (Time Delay Trip) or OSB
(Out-of-Step Block condition). However, it will be disabled by the setting of Zone1RI,
Zone2RI, and Zone3RI signal.
2.4.15 Output Contact Test
A “Push-to-Close” feature is included in order to check all output relay contacts, which
include TRIP, BFI, RI2, RB, AL1, AL2, GS, Carrier Send (Pilot), Carrier Stop (Pilot) and
each separate programmable contact output when purchased. The relay contact check
is supplementary to the self-check because the Microprocessor self-check routine can-
not detect the output hardware. In order to enable the contact test, jumper (JMP5) on
the Microprocessor module must be connected.
(See Table 5-3 for detailed procedures.)
2.4.16 Out-of-Step Block Logic
The Out-of-Step Blocking
(OSB)
logic (power swing block supervision) in REL 301/302
is a double blinder scheme. It contains two blinder units, providing 4 blinder lines. The
nature of the logic
(shown in Figure 2-18a)
is that the outer blinder 21BO must operate
50ms or more ahead of the inner blinder 21BI, in order for an OSB condition to be
identified. The OSB signal is a negated input to the AND-131
(Z1Ø)
, AND-147
(Z2P)
,
AND-160
Zone3Ø (Z3P)
, and AND-176
Pilot Ø (PLTP)
for supervising the 3-phase dis-
tance trip. In addition to controlling the OSB logic, the blinder units also may be used
to supervise distance relay tripping. Phase distance unit tripping cannot take place
Содержание REL 301
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Страница 17: ...I L 40 386 3 1 10 10 94 2682F39 Sheet 1 of 2 Sub 2 Figure 1 2 REL 301 302 Layout Vertical...
Страница 18: ...I L 40 386 3 10 94 1 11 2682F39 Sheet 2 of 2 Sub 2 Figure 1 3 REL 301 302 Layout Horizontal...
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Страница 61: ...I L 40 386 3 2 40 10 94 1501B84 Sub 6 Figure 2 31 Reversible Zone3 Phase and Ground Reverse Block Logic...
Страница 62: ...I L 40 386 3 10 94 2 41 Figure 2 32 CO 2 Curve Characteristics 619596 Sub 2...
Страница 63: ...I L 40 386 3 2 42 10 94 Figure 2 33 CO 5 Curve Characteristic 619597 Sub 2...
Страница 64: ...I L 40 386 3 10 94 2 43 Figure 2 34 CO 6 Curve Characteristic 619598 Sub 2...
Страница 65: ...I L 40 386 3 2 44 10 94 Figure 2 35 CO 7 Curve Characteristic 619599 Sub 2...
Страница 66: ...I L 40 386 3 10 94 2 45 Figure 2 36 CO 8 Curve Characteristic 619600 Sub 2...
Страница 67: ...I L 40 386 3 2 46 10 94 Figure 2 37 CO 9 Curve Characteristic 619601 Sub 2...
Страница 68: ...I L 40 386 3 10 94 2 47 Figure 2 38 CO 11 Curve Characteristic 619602 Sub 2...
Страница 126: ...I L 40 386 3 10 94 5 19 Figure 5 3 Microprocessor Module JP6 JP5 JP3 JP4 Clock Battery 1613C55 Sheet 3 of 3 Sub 6...