Digitizer; 8-Bit Comparators; Summator - GE N60 Instruction Manual
Network stability and
synchrophasor
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Also See for N60:
- Instruction manual (644 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (602 pages)
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CHAPTER 6: ACTUAL VALUES
The operating signals for the FlexElements are displayed in pu values using the following definitions of the base units.
Table 6-2: FlexElement base units
Base unit
DCmA
FREQUENCY
FREQUENCY RATE OF CHANGE
PHASE ANGLE
POWER FACTOR
RTDs
SENSITIVE DIR POWER
(Sns Dir Power)
SOURCE CURRENT
SOURCE ENERGY
(Positive and Negative Watthours,
Positive and Negative Varhours)
SOURCE POWER
SOURCE THD & HARMONICS
SOURCE VOLTAGE
SYNCHROCHECK
(Max Delta Volts)
6.4.6 Digitizer
ACTUAL VALUES METERING DIGITZERS DIGITIZER 1(5)
DIGITIZER 1
The digitized output signals are displayed as signed integer numbers.
6.4.7 8-bit comparators
ACTUAL VALUES METERING 8-BIT COMPARATORS 8-BIT COMPARATOR 1(6)
8-BIT
COMPARATOR 1
The two (A and B) 8-bit digitized inputs as well as the resulting sum/difference are available for display. The values are re-
scaled from the original integer numbers using the
6.4.8 Summator
ACTUAL VALUES METERING SUMMATOR SUMMATOR 1(6)
SUMMATOR 1
The values for the six summator outputs are available for display. The values are displayed with the units programmed in
the
setting.
SUMMATOR 1(6) UNITS
N60 NETWORK STABILITY AND SYNCHROPHASOR MEASUREMENT SYSTEM – INSTRUCTION MANUAL
Description
BASE = maximum value of the DCMA INPUT MAX setting for the two transducers configured
under the +IN and –IN inputs.
f
= 1 Hz
BASE
df/dt
= 1 Hz/s
BASE
ϕ
= 360 degrees (see the UR angle referencing convention)
BASE
PF
= 1.00
BASE
BASE = 100°C
P
= maximum value of 3 × V
BASE
BASE
for the sensitive power directional element(s).
I
= maximum nominal primary RMS value of the +IN and –IN inputs
BASE
E
= 10000 MWh or MVAh, respectively
BASE
P
= maximum value of V
BASE
BASE
BASE = 1%
V
= maximum nominal primary RMS value of the +IN and –IN inputs
BASE
V
= maximum primary RMS value of all the sources related to the +IN and –IN inputs
BASE
DIGITIZER 1 Out:
0
8BIT COMP 1 A:
0.00
8BIT COMP 1 B:
0.00
8BIT COMP 1 OUT:
0.00
8BIT COMP 1 SCALE FACTOR
SUMMATOR 1 OUTPUT:
0.000
× I
for the +IN and –IN inputs of the sources configured
BASE
× I
for the +IN and –IN inputs
BASE
Range: –127 to 127
Range: –12700.00 to 12700.00
Range: –12700.00 to 12700.00
Range: –12700.00 to 12700.00
setting.
METERING
6
6-23
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