Date Code 20011205
Distance, Overcurrent, Voltage,
3-19
and Synchronism Check Elements
SEL-311B Instruction Manual
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50P1P
(Setting)
50P2P
(Setting)
|IA|
|IB|
|IC|
50P1
50P2
_
+
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+
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+
50P3P
(Setting)
50P3
67P1D
0
67P1TC
(SEL
OGIC
)
67P1
67P1T
67P2D
0
67P2TC
(SEL
OGIC
)
67P2
67P2T
67P3D
0
67P3TC
(SEL
OGIC
)
67P3
67P3T
M311B055
Level 1
E50P > 1
(Setting)
Level 2
E50P > 2
(Setting)
Level 3
E50P = 3
(Setting)
Enabled
Levels
Relay
Word
Bits
Figure 3.13: Levels 1 through 3 Phase Instantaneous/Definite-Time Overcurrent Elements
Torque Control
Levels 1 through 3 in Figure 3.13 have corresponding SEL
OGIC
control equation torque control
settings 67P1TC through 67P3TC. SEL
OGIC
control equation torque control settings cannot be
set directly to logical 0. The following are torque control setting examples for Level 1 phase
instantaneous/definite-time overcurrent elements 67P1/67P1T.
67P1TC = 1
Setting 67P1TC set to logical 1:
Then 67P1/67P1T follows 50P1.
Note
: All overcurrent element SEL
OGIC
control equation torque control
settings are set directly to logical 1 (e.g., 67P1TC = 1) for the
factory default settings. See
SHO Command (Show/View Settings)
in
Section 10: Serial Port Communications and Commands
for a
list of the factory default settings.
Содержание SEL-311B
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