Datasheet

90E36A POLY-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Function Description 16 April 2, 2013
Figure-5 Metering Startup Handling
0
1
Phase Active
Power from DSP
0
Phase Active
Energy Metering
Power Threshold
|P|+|Q|>
PPhaseTh?
0
1
0
0
1
Phase ReActive
Power from DSP
0
Phase ReActive
Energy Metering
Power Threshold
|P|+|Q|>
QPhaseTh?
0
1
0
0
1
Phase Apparent
Power from DSP
0
Phase Apparent
Energy Metering
Power Threshold
|P|+|Q|>
SPhaseTh?
0
1
0
Total Active
Energy Metering
+
ABS >
PStartTh?
0
1
0
Total Active Power
3 phases
Total ReActive
Energy Metering
+
ABS >
QStartTh?
0
1
0
Total ReActive Power
3 phases
Total (arithmetic
sum) Apparent
Energy Metering
+
ABS >
SStartTh?
0
1
0
Total Apparent Power
3 phases
A/B/C
A/B/C
A/B/C