SQLC-216-212
35
10 Description of functions
10.1 Contact output
(1)Contact function
・Contact output can be set to pulse output or alarm output.
【Seting】No.111 Contact output 1 function
No.114 Contact output 2 function
(2)Alarm output
・Assign the output (output 1, output 2, output 1 and output 2) for each alarm setting.
(All of the alarm, can be output in the OR to contact output)
【Setting】No.122 Current, upper 1 output No.124 Current, upper 2 output
No.126 Current, lower output
No.133 Demand current, upper 1 output No.135 Demand current, upper 2 output
No.143 Demand power, upper 1 output No.145 Demand power, upper 2 output
No.152 Leakage sensitivity current 1 output No.154 Leakage sensitivity current 2 output
10.2 Inrush current mask function
・According to the a inrush current (such as a transformer a inrush current and motor starting current), it
prevents the update of the alarm output and maximum value.
・Between the current value exceeds the a inrush current mask level of the mask time, the detection and the
maximum value of each upper alarm does not update.
【Setting】No.161 Inrush current mask level
No.162 Inrush current mask time
10.3 Power flow measurement
・Set power flow measurement with an awareness of the transmission / receiving of reactive power and power factor.
【Setting】No.261 Power flow measurement
General measurement (OFF)
:Displays the polarity (LAG / LEAD) supplied from the power system side. (Both receiving and transmission)
Power flow measurement (ON)
:Displays the polarity (LAG / LEAD) supplied from the power system side. (At receiving)
Displays the polarity (LAG / LEAD) supplied from the power generation side. (At transmission)
LEAD LAG
LEAD LAG
270° 90°
0°
180°
Reference V
Receiving (Power purchase)
【
Polarity display of the general measurement
(OFF) setting
】
Current of
lagging phase
Current of
leading phase
Transmission (Power selling)
Polarity
supplied from
the power
system side
LEAD LAG
LAG LEAD
270° 90°
0°
180°
Reference V
Receiving (Power purchase)
【
Polarity display of power flow measurement
(ON) setting
】
Current of
lagging phase
Current of
leading phase
Transmission (Power selling)
Leading
current
Lagging
current
Polarity
supplied from
the power
system side
Polarity
supplied from
the generator
side
Inrush current mask time
Inrush current mask level
Current value
Time
In this range, the detection and the
maximum value does not update.
Upper detection value