CET Electric Technology
2
Demands
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Demands and Predicted Demands for 3-Phase Voltage, Current, Power, PF, I4, Frequency, U and I Unbalance
and THD
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Peak Demands with Timestamp for Current, Power, and PF of This Month and Last Month (or Since Last
Reset and Before Last Reset)
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Max/Min values per demand interval
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Demand synchronization with DI
Setpoints
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16 Standard Setpoints with extensive list of monitoring parameters including Voltage, Current, Power,
Demands and THD, etc.
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8 High-Speed Setpoints for Voltage, Current, Power, PF, Frequency, Deviation, and DI.
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Configurable thresholds and time delays
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6 Logical Modules supporting AND/OR/NAND/NOR operations
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SOE, WF Recording, Data Recorder, DO, and Email Alarm trigger
Multi-Tariff TOU Capability
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Two independent sets of TOU Schedules
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Up to 12 Seasons
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90 Holidays or Alternate Days
o
20 Daily Profiles, each with 12 Periods with minimum 15-minute interval
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8 Tariffs, each providing kWh/kvarh Import/Export and kVAh
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Switching between two TOU schedules according to pre-programmed time and logged as SOE event
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Tariff switching based on DI status
Log memory
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1GB on-board memory
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Data Recorder Logs, Waveform Recorder Logs, Energy Log and Demand Logs
Data Recorder (DR) Log
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12 Standard DR Logs and 4 High-Speed DR Logs
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Recording interval from 1s to 40 days for standard DR and 1 to 60 cycles for High-Speed DR.
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Up to 16 Programmable Parameters for each DR Log with programmable sources which include almost all
Real-Time measurements, Harmonics, Unbalance and Demand measurements
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Configurable Depth and Recording Offset
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Support FIFO or Stop-When-Full Recording Mode
Waveform Recorder (WFR) Log
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2 independent groups of Waveform Recorders with a combined total of 256 entries
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Simultaneous capture of 3-Phase Voltage and Current signals
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Programmable formats and pre-fault cycles from 256x20 to 16x320
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Support FIFO Recording Mode
Interval Energy Recorder (IER) Log
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Interval Energy recording of kWh/kvarh Import/Export and kVAh Total
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Support FIFO or Stop-When-Full Recording Mode
SOE Log
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512 events time-stamped to ±1ms resolution
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Setup Changes, Setpoint events and I/O Operations
PQ Log
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512 entries time-stamped to ±1ms resolution
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Sag/Swell/Interruption and Transient detection
Max/Min Log
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Logging of Max./Min. values for measurements such as Voltage, Current, Frequency, kW, kvar, kVA, PF,
Unbalance, K-factor, and THD with Timestamp for This Month and Last Month (or Since Last Reset and Before
Last Reset)
