GE C60 Instruction Manual page 388

GROUPED ELEMENTS
T = operating time
D = undervoltage delay setting (D = 0.00 operates instantaneously)
V = secondary voltage applied to the relay
V = pickup level
pickup
At 0% of pickup, the operating time equals the
5
5.7.7.2 Phase undervoltage (ANSI 27P, IEC PTUV)
SETTINGS  GROUPED ELEMENTS  SETTING GROUP 1(6)  VOLTAGE ELEMENTS  PHASE UNDERVOLTAGE1(3)
 PHASE
 UNDERVOLTAGE1
5-220
Figure 5-113: Inverse time undervoltage curves
PHASE UNDERVOLTAGE DELAY
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
setting.
Range: Disabled, Enabled
Range: SRC 1, SRC 2, SRC 3, SRC 4
Range: Phase to Ground, Phase to Phase
Range: 0.004 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
C60 BREAKER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS