L90 Power System - GE UR Series Instruction Manual

5.3 SYSTEM SETUP
This configuration could be used on a two winding transformer, with one winding connected into a breaker-and-a-half sys-
tem. The following figure shows the arrangement of Sources used to provide the functions required in this application, and
the CT/VT inputs that are used to provide the data.
5
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PATH: SETTINGS POWER SYSTEM
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L90 POWER SYSTEM

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NUMBER OF TERMINALS:
This setting is the number of the terminals of the associated protected line.
5-28
F 1
DSP Bank
F 5
Source 3
U 1
Volts Amps
V
V
Volts
M 1
Source 4
M 1
M 5
Figure 5–4: EXAMPLE USE OF SOURCES
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L90 POWER SYSTEM
NUMBER OF TERMINALS:
2
NUMBER OF CHANNELS:
MESSAGE
1
CHARGING CURRENT
MESSAGE
COMPENSATN: Disabled
POS SEQ CAPACITIVE
MESSAGE
REACTANCE:
ZERO SEQ CAPACITIVE
MESSAGE
REACTANCE:
ZERO SEQ CURRENT
MESSAGE
REMOVAL: Disabled
LOCAL RELAY ID
MESSAGE
NUMBER: 0
TERMINAL 1 RELAY ID
MESSAGE
NUMBER: 0
TERMINAL 2 RELAY ID
MESSAGE
NUMBER: 0
L90 Line Differential Relay
Source 1
Amps
51BF-1
A W Var
A W Var
Amps
Range: 2, 3
Range: 1, 2
Range: Disabled, Enabled
Range: 0.100 to 65.535 kΩ in steps of 0.001
0.100 kΩ
Range: 0.100 to 65.535 kΩ in steps of 0.001
0.100 kΩ
Range: Disabled, Enabled
Range: 0 to 255 in steps of 1
Range: 0 to 255 in steps of 1
Range: 0 to 255 in steps of 1
5 SETTINGS
Source 2
Amps
51BF-2
87T
51P
UR Relay
827794A1.CDR
5.3.4 L90 POWER SYSTEM
GE Power Management