SQLC-220-086
63
Item
Specification
Bar graph
display
Bar graph display for the main-monitor factor. (Watt-hour and var-hour exclude)
A display of a sub-monitor factor can also be set.
Operating
method
Current, Voltage ：Effective value computing type.
Demand ammeter ：Arithmetic method according with bimetallic type.
Demand active power meter：Arithmetic method according with bimetallic type, or average value within
the demand time limit. (One is selected by setting.)
Active power, Reactive power, Watt-hour, var-hour：Time division multiplication method.
Power factor ：Average value within instantaneous measurement or the demand time limit. (One is
selected by setting.) Calculates for active power and reactive power.
Frequency ：Zero cross cycle computing type.
Harmonic ：FFT computing type.
Interval
setting
Demand current
0 second / 5 seconds / 10 seconds / 20 seconds / 30 seconds / 40 seconds / 50 seconds
/ 1 minute / 2 minutes / 3 minutes / 4 minutes / 5 minutes / 6 minutes / 7 minutes
/ 8 minutes / 9 minutes / 10 minutes / 15 minutes / 20 minutes / 25 minutes / 30 minutes
(95％ time limit)
Demand active
power
Harmonic
measurement
Average time limit：0 minute / 1 minute / 2 minutes / 5 minutes / 10 minutes
/ 15 minutes / 30 minutes Average measurement.
The factor
in which
display
setting is
possible
Main monitor
Voltage (UV-VW-WU), Current (U-V-W), Demand current (U-V-W), Active power,
Demand active power, Reactive power, Power factor, Frequency,
Watt-hour (Power receiving, Power transmission),
var-hour (Power receiving LAG/LEAD, Power transmission LAG/LEAD),
Distortion factor (A, V)
Sub-monitor
(Left)
Voltage (UV-VW-WU), Current (U-V-W), Active power, Reactive power, Power factor,
Sub-monitor
(Center)
Voltage (UV-VW-WU), Current (U-V-W), Demand current (U-V-W), Active power,
Demand active power, Reactive power,
var-hour(Power receiving LAG/LEAD, Power transmission LAG/LEAD),
Harmonic 5th conversion content(A, V),
Harmonic nth content (A, V)
Sub-monitor
(Right)
Voltage (UV-VW-WU), Current (U-V-W), Demand current (U-V-W), Active power,
Demand active power, Power factor, Frequency,
Watt-hour (Power receiving, Power transmission),
Fundamental wave effective value (A, V),
Harmonic 5th conversion content (A, V),
Harmonic nth effective value (A, V)
Bar graph
Voltage (UV-VW-WU), Current (U-V-W), Demand current (U-V-W), Active power,
Demand active power, Reactive power, Power factor, Frequency,
Distortion factor (A, V), Harmonic 5th conversion content (A, V),
Harmonic nth content (A, V), Fundamental wave effective value (A, V),
Harmonic 5th conversion effective value (A, V),
Harmonic nth effective value (A, V)
Option
Analog output (4 sets)
Contact output (2 sets. Select of pulse output or alarm output or CPU error output.)
External operation change input (2 sets)
About power and reactive power full scale range selection
The power range and reactive power range is automatically decided in a current range and voltage range.
The full scale range of a bar graph can be selected out of the following values within a 40 to 115％ (range of active
power) and 30 to 115％ (range of reactive power), assuming that the rated power (VT ratio × CT ratio (
23
)) is 100％.
1.0 / 1.2 / 1.4 / 1.5 / 1.6 / 1.8 / 2.0 / 2.4 / 2.5 / 2.8 / 3.0 / 3.2 / 3.6 / 4.0 / 4.2 / 4.5 / 4.8 / 5.0 / 5.6 / 6.0 / 6.4 / 7.2 /
7.5 / 8.0 / 8.4 / 9.0 / 9.6 ×10
n
Example) In case of VT ratio × CT ratio ＝ 1200kW
A full scale range can be selected from the following.
480 / 500 / 560 / 600 / 640 / 720 / 750 / 800 / 840 / 900 / 960 / 1000 / 1200
Note (
23
) Assume VT ratio is "2" for calculation in case of 220V input specifications and also assume CT ratio
is CT ratio ÷ 5 in case of 1A input specifications.