CHAPTER 5: SETTINGS
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
5.7.7.2 Phase undervoltage (ANSI 27P, IEC PTUV)
SETTINGS GROUPED ELEMENTS SETTING GROUP 1(6) VOLTAGE ELEMENTS PHASE UNDERVOLTAGE1(3)
PHASE
UNDERVOLTAGE1
N60 NETWORK STABILITY AND SYNCHROPHASOR MEASUREMENT SYSTEM – INSTRUCTION MANUAL
Figure 5-129: 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
GROUPED ELEMENTS
setting.
Range: Disabled, Enabled
Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6
Range: Phase to Ground, Phase to Phase
Range: 0.004 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
5
5-245