GE UR Series L90, Инструкция по эксплуатации

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GE Multilin L90 Line Current Differential System 5-119
5 SETTINGS 5.4 SYSTEM SETUP
5
Figure 5–46: CURRENT TRIGGER SCHEME LOGIC
i) POWER TRIGGERING
PATH: SETTINGS

SYSTEM SETUP

PHASOR MEASUREMENT...

PMU 1 TRIGGERING

PMU 1 POWER TRIGGER
This element responds to abnormal power. Separate thresholds are provided for active, reactive, and apparent powers. In
terms of signaling its operation the element does not differentiate between the three types of power. The trigger responds to
the single-phase and three-phase power signals of the phasor measurement unit (PMU) source.
• PMU 1 POWER TRIGGER ACTIVE : This setting specifies the pickup threshold for the active power of the source. For
single-phase power, 1 pu is a product of 1 pu voltage and 1 pu current, or the product of nominal secondary voltage,
the VT ratio and the nominal primary current. For the three-phase power, 1 pu is three times that for a single-phase
power. The comparator applies a 3% hysteresis.
• PMU 1 POWER TRIGGER REACTIVE : This setting specifies the pickup threshold for the reactive power of the
source. For single-phase power, 1 pu is a product of 1 pu voltage and 1 pu current, or the product of nominal second-
ary voltage, the VT ratio and the nominal primary current. For the three-phase power, 1 pu is three times that for a sin-
gle-phase power. The comparator applies a 3% hysteresis.

PMU 1 POWER
 TRIGGER
PMU 1 POWER TRIGGER
FUNCTION: Disabled
Range: Enabled, Disabled
MESSAGE
PMU 1 POWER TRIGGER
ACTIVE: 1.250 pu
Range: 0.250 to 3.000 pu in steps of 0.001
MESSAGE
PMU 1 POWER TRIGGER
REACTIVE: 1.250 pu
Range: 0.250 to 3.000 pu in steps of 0.001
MESSAGE
PMU 1 POWER TRIGGER
APPARENT: 1.250 pu
Range: 0.250 to 3.000 pu in steps of 0.001
MESSAGE
PMU 1 POWER TRIGGER
PKP TIME: 0.10 s
Range: 0.00 to 600.00 s in steps of 0.01
MESSAGE
PMU 1 POWER TRIGGER
DPO TIME: 1.00 s
Range: 0.00 to 600.00 s in steps of 0.01
MESSAGE
PMU 1 PWR TRIG BLK:
Off
Range: FlexLogic operand
MESSAGE
PMU 1 POWER TRIGGER
TARGET: Self-Reset
Range: Self-Reset, Latched, Disabled
MESSAGE
PMU 1 POWER TRIGGER
EVENTS: Disabled
Range: Enabled, Disabled
SETTINGS
PMU 1 CURR TRIGGER
FUNCTION:
Enabled = 1
PMU 1 CURR TRIG BLK:
Off = 0
SETTINGS
PMU 1 SIGNAL
SOURCE:
AND
SETTINGS
PMU 1 CURR TRIGGER PICKUP:
RUN
SETTINGS
PMU 1 CURR TRIGGER PKP TIME:
PMU 1 CURR TRIGGER DPO TIME:
t
PKP
t
DPO
FLEXLOGIC OPERAND
PMU 1 CURR TRIGGER
FLEXLOGIC OPERANDS
PMU 1 FREQ TRIGGER
PMU 1 VOLT TRIGGER
PMU 1 POWER TRIGGER
PMU 1 ROCOF TRIGGER
SETTING
PMU 1 USER TRIGGER:
Off = 0
OR
FLEXLOGIC OPERAND
PMU 1 TRIGGERED
to STAT bits of
the data frame
IA I > PICKUP
I > PICKUP
I > PICKUP
OR
IB
IC
847000A1.CDR