CET PMC-592, Руководство пользователя, Страница: 11 / 177

10
CET Electric Technology
Flexible Configuration

Programmable CT Ratio, CT Polarity, Sub-Meter (SM) Reference Voltage for each SM

Configurable CT Strip Orientation (Sequential or Crossover) and CT Strip Direction (Top or Bottom)
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Configurable 2-Ø & 3-Ø SM Ordering based on out-of-sequence 1-Ø SM

Support Single, Dual and Custom Panel Modes
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Programmable Label for Device, Panel, 1-Ø SMs and VMs
Metering

Mains Measurements
o
2 Mains, each supporting 3 Voltage and 4 Current Inputs
o
ULN and ULL per phase and average
o
I per phase and average, measured Neutral Current (I4)
o
kW, kvar, kVA, PF per phase and total
o
Frequency
o
Loading Factor per phase
o
kWh Import/Export, kvarh Import/Export, kVAh Total
o
Dual Tariff Energy Metering that is switchable by DI Status and provides T1/T2 kWh
Import/Export, T1/T2 kvarh Import/Export, T1/T2 kVAh Total in Firmware V1.00.10 or later

Branch Circuits Measurements
o
21, 42, 63 or 84 Branch Current Inputs
o
I, kW, kvar, kVA, PF, Loading Factor, kWh, kvarh, kVAh per 1-Ø SM
Demand Measurements

I per phase, kW Total, kvar Total, kVA Total for Mains-I and Mains-II

I, kW, kvar, kVA per 1-Ø SM and kW Total, kvar Total and kVA total per 2-Ø or 3-Ø SM
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RTD 1 and RTD 2 Temperature Demand in Firmware V1.00.04 or later

Max Demands with timestamp for Historical, This Month and Last Month
Sub Meters (SM)

Support configurable 1-Ø , 2-Ø and 3-Ø Sub Meters

I Average, Loading Factor, kW/kvar/kVA/PF Total, kWh/kvarh Import and kVAh Total

Demand Values for I Average, kW, kvar and kVA

Max Demands with timestamp for Historical, This Month and Last Month
Virtual Meters (VM)

10 configurable Virtual Meters for arbitrary aggregation from Mains and any of the 84 1-Ø SMs

Support both Addition and Subtraction

kW, kWh/kvarh Import and kVAh per VM

Dual Tariff Energy Metering that is switchable by DI Status and provides T1/T2 kWh, kvarh and kVAh
for Main and GenSet Supply
Power Quality Features

Mains Inputs
o
U and I Unbalance based on Sequence Components
o
U and I THD, TOHD, TEHD and Individual harmonics to 31
st
o
Current TDD, K-Factor and Crest Factor
o
Dip/Swell and Interruption detection with Waveform Recording

Branch Inputs