GE N60 UR Series, Инструкция по эксплуатации, Страница: 323 / 500

GE Multilin N60 Network Stability and Synchrophasor Measurement System 6-17
6 ACTUAL VALUES 6.3 METERING
6
6.3.3 SENSITIVE DIRECTIONAL POWER
PATH: ACTUAL VALUES
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METERING
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SENSITIVE DIRECTIONAL POWER
The effective operating quantities of the sensitive directional power elements are displayed here. The display may be useful
to calibrate the feature by compensating the angular errors of the CTs and VTs with the use of the
RCA
and
CALIBRATION
settings.
6.3.4 SYNCHROCHECK
PATH: ACTUAL VALUES
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METERING
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SYNCHROCHECK
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SYNCHROCHECK 1(2)
The actual values menu for synchrocheck 2 is identical to that of synchrocheck 1. If a synchrocheck function setting is "Dis-
abled", the corresponding actual values menu item will not be displayed.
6.3.5 TRACKING FREQUENCY
PATH: ACTUAL VALUES
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METERING
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TRACKING FREQUENCY
The tracking frequency is displayed here. The frequency is tracked based on the selection of the reference source with the
FREQUENCY AND PHASE REFERENCE
setting in the
SETTINGS
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SYSTEM SETUP
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POWER SYSTEM
menu. Refer to the
Power System section of chapter 5 for additional details.
6.3.6 FLEXELEMENTS™
PATH: ACTUAL VALUES
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METERING
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FLEXELEMENTS
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FLEXELEMENT 1(16)
The operating signals for the FlexElements™ are displayed in pu values using the following definitions of the base units.
„
SENSITIVE
„
DIRECTIONAL POWER
DIRECTIONAL POWER 1
3
Φ
: 0.000 W
MESSAGE
DIRECTIONAL POWER 2
3
Φ
: 0.000 W
„
SYNCHROCHECK 1
„
SYNCHROCHECK 1 DELTA
VOLT: 0.000 V
MESSAGE
SYNCHROCHECK 1 DELTA
PHASE: 0.0°
MESSAGE
SYNCHROCHECK 1 DELTA
FREQ: 0.00 Hz
„
TRACKING FREQUENCY
„
TRACKING FREQUENCY:
60.00 Hz
„
FLEXELEMENT 1
„
FLEXELEMENT 1
OpSig: 0.000 pu
Table 6–2: FLEXELEMENT™ BASE UNITS (Sheet 1 of 2)
dcmA BASE = maximum value of the DCMA INPUT MAX setting for the two transducers configured
under the +IN and –IN inputs.
FREQUENCY f
BASE
= 1 Hz
PHASE ANGLE
ϕ
BASE
= 360 degrees (see the UR angle referencing convention)
POWER FACTOR PF
BASE
= 1.00
RTDs BASE = 100°C
SENSITIVE DIR POWER
(Sns Dir Power) P
BASE
= maximum value of 3
×
V
BASE
×
I
BASE
for the +IN and –IN inputs of the sources
configured for the sensitive power directional element(s).