CET Electric Technology
9
Advanced Measurements
1-Cycle Real-time U & I Waveform Display @ 1s update rate
U and I THD, TOHD, TEHD and Individual Harmonics up to 31st
Current TDD, TDD Odd, TDD Even, K-Factor and Crest Factor
U and I Unbalance and Phase Angles
Displacement PF
Fundamental U, I and kW per phase
Total Fundamental kW & Total Harmonic kW*
U and I Symmetrical (Sequence) Components*
kvarh Q1-Q4
Interval Energy for kWh/kvarh Imp/Exp and kVAh
Demands, Predicted Demands and Peak Demands for kW/kvar/kVA Total and per phase Current
with Timestamp for This Month (or Since Last Reset) and Last Month (or Before Last Reset)
Two TOU schedules, each providing
o 12 Seasons
o 20 Daily Profiles, each with 12 Periods in 15-minute interval
o 90 Holidays or Alternate Days
o 8 Tariffs, each providing the following information
· kWh/kvarh Import/Export, kVAh
· kW/kvar/kVA Max. Demands
12 Monthly Energy Logs of kWh/kvarh Import/Export/Total/Net, kVAh, kvarh Q1-Q4 as well as
kWh/kvarh Import/Export and kVAh per Tariff
*Available in Firmware V1.00.03 or later
Setpoints
9 user programmable Setpoints with extensive list of monitoring parameters including Voltage,
Current, Power and THD, etc.
Configurable thresholds, time delays and DO triggers
SOE Log
100 events time-stamped to ±1ms resolution
Recording events for Setup changes, Setpoint and DI status changes as well as DO operations
Max/Min Log
Max./Min. Log with timestamp for parameters such as Voltage, Current, In (calculated), I4, Ir,
Frequency, kW, kvar, kVA, PF, Unbalance, K-Factor, Crest-Factor and THD
Configurable for This Month/Last Month or Since/Before Last Reset
Freeze Logs (Optional)
60 Daily Freeze Logs for kWh/kvarh/kVAh Total and kW/kvar/kVA Peak Demands.
36 Monthly Freeze Logs for kWh/kvarh/ kVAh Total and kW/kvar/kVA Peak Demands with
Timestamp.
Data Recorder Log (Optional)
5 Data Recorders of 16 parameters each for real-time measurements, harmonics, energy, demand,
TOU, Pulse Counters…etc.
Recording interval from 1 minute to 40 days
Configurable capacity up to a max. of 100 days at 15-minute interval