Auxiliary Voltage - GE UR Series Instruction Manual
Line differential relay
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- Instruction manual (652 pages) ,
- Manual (433 pages) ,
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5.5 GROUPED ELEMENTS
a) AUXILIARY UV1 (AUXILIARY UNDERVOLTAGE: ANSI 27X)
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PATH: SETTINGS
GROUPED ELEMENTS
„
AUXILIARY UV1
„
5
This element is intended for monitoring undervoltage conditions of the auxiliary voltage. The
level at which the time undervoltage element starts timing. The nominal secondary voltage of the auxiliary voltage channel
entered under
SETTINGS
used when setting the pickup level.
The
setting selects the minimum operating time of the phase undervoltage element. Both
DELAY
establish the operating curve of the undervoltage element. The auxiliary undervoltage element can be programmed to use
either Definite Time Delay or Inverse Time Delay characteristics. The operating characteristics and equations for both Defi-
nite and Inverse Time Delay are as for the Phase Undervoltage Element.
The element resets instantaneously. The minimum voltage setting selects the operating voltage below which the element is
blocked.
SETTING
AUX UV1
FUNCTION:
Disabled=0
Enabled=1
SETTING
AUX UV1 BLOCK:
Off=0
SETTING
AUX UV1 SIGNAL
SOURCE:
AUX VOLT Vx
5-116
Ö
SETTING GROUP 1(8)
AUX UV1
FUNCTION: Disabled
AUX UV1 SIGNAL
MESSAGE
SOURCE: SRC 1
AUX UV1 PICKUP:
MESSAGE
0.700 pu
AUX UV1 CURVE:
MESSAGE
Definite Time
AUX UV1 DELAY:
MESSAGE
1.00 s
AUX UV1 MINIMUM:
MESSAGE
VOLTAGE: 0.100 pu
AUX UV1 BLOCK:
MESSAGE
Off
AUX UV1
MESSAGE
TARGET: Self-reset
AUX UV1
MESSAGE
EVENTS: Disabled
Ø
Ö
SYSTEM SETUP
AC INPUTS
SETTING
AUX UV1 MINIMUM
VOLTAGE:
<
Vx Minimum
Figure 5–59: AUXILIARY UNDERVOLTAGE SCHEME LOGIC
L90 Line Differential Relay
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VOLTAGE ELEMENTS
Range: Disabled, Enabled
Range: SRC 1, SRC 2,..., SRC 6
Range: 0.000 to 3.000 pu in steps of 0.001
Range: Definite Time, Inverse Time
Range: 0.00 to 600.00 s in steps of 0.01
Range: 0.000 to 3.000 pu in steps of 0.001
Range: FlexLogic™ operand
Range: Self-reset, Latched, Disabled
Range: Disabled, Enabled
ØÖ
VOLTAGE BANK X5 / AUXILIARY VT X5 SECONDARY
SETTING
AUX UV1 PICKUP:
AUX UV1 CURVE:
AUX UV1 DELAY:
<
Vx Pickup
AND
RUN
t
V
5 SETTINGS
5.5.20 AUXILIARY VOLTAGE
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AUXILIARY UV1
selects the voltage
PICKUP
is the p.u. base
and
settings
PICKUP
DELAY
FLEXLOGIC OPERANDS
AUX UV1 PKP
AUX UV1 DPO
AUX UV1 OP
827849A2.CDR
GE Power Management
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