Introduction 7
Table 1-1 Measured Quantities and Sensed Signals
Measurement Mode Usage/output
Parameter Real-
time
Sliding
average
Demand Min/
Max
Display Commu-
nications
Analog
output
Pulse Data
logging
Trigger
setpoint
High kVA Á
• • • • •
High power factor lag Á
• • • • •
High power factor lead Á
• • • • •
High voltage THD Â
• • • • •
High current THD
• • • • •
High K-Factor
• • • • •
Demands
Volt demand per phase À
• • • Ã • • • •
Ampere demand per phase
• • • Ã • • • •
Total kW demand (block interval,
sliding window, thermal)
• • • Ã • • • •
Total kvar demand (block interval,
sliding window, thermal)
• • • Ã • • • •
Total kVA demand (block interval,
sliding window, thermal)
• • • Ã • • • •
Predicted demands
Total kW demand (accumulated,
sliding window)
• • • • • •
Total kvar demand (accumulated,
sliding window)
• • • • • •
Total kVA demand (accumulated,
sliding window)
• • • • • •
Total energies
kWh (import, export, net, total)
• • • • •