Datasheet

90E32AS ENHANCED POLY-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Function Description 18 April 2, 2013
Figure-8 Harmonic Active Power Startup/Noload Processing
Phase Active
Harmonic Energy
Metering
0
1
0
Total Active
Harmonic Energy
Metering
ABS >
PStartTh?
0
1
0
Total Active Harmonic
Power
+
ENA
ABS or Arithmatic
ENB ENC
0
1
Phase Active
Power from DSP
0
Phase |P| + |Q| >
PPhaseTh?
0
1
Phase Active
Power from DSP
0
Phase |P| + |Q| >
PPhaseTh?
0
1
Phase (Active
Total Power -
Active
Fundamental
Power) from DSP
0
Phase |P| + |Q| >
PPhaseTh?
C
A
B
Active Power
startup/Noload handling
NoLoad Status
Total Active Power