GE B30 Instruction Manual page 263

5 SETTINGS
At 0% of pickup, the operating time equals the UNDERVOLTAGE DELAY setting.
NOTE
b) PHASE UNDERVOLTAGE (ANSI 27P)
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PATH: SETTINGS GROUPED ELEMENTS
 PHASE
 UNDERVOLTAGE1
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Two undervoltage elements facilitate applications including undervoltage supervision of the main bus differential protection
to prevent maloperation in the event of CT trouble.
GE Multilin
% of voltage pickup
Figure 5–60: INVERSE TIME UNDERVOLTAGE CURVES
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SETTING GROUP 1(6)
PHASE UV1
FUNCTION: Disabled
PHASE UV1 SIGNAL
SOURCE: SRC 1
PHASE UV1 MODE:
Phase to Ground
PHASE UV1
PICKUP: 1.000 pu
PHASE UV1
CURVE: Definite Time
PHASE UV1
DELAY: 1.00 s
PHASE UV1 MINIMUM
VOLTAGE: 0.100 pu
PHASE UV1 BLOCK:
Off
PHASE UV1
TARGET: Self-reset
PHASE UV1
EVENTS: Disabled
B30 Bus Differential System
5.6 GROUPED ELEMENTS
842788A1.CDR
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VOLTAGE ELEMENTS PHASE UNDERVOLTAGE1(3)
Range: Disabled, Enabled
Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6
Range: Phase to Ground, Phase to Phase
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
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