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Power Distribution and TransmissionDE-TREQ
Transformer and Equipment Monitoring Unit

Visualizes the conditions in cubicles to meet the monitoring needs of critical equipment

Index

Features

Equipped with a touch panel

Display screen

LCD screen and touch panel for intuitive operation

Provided with functions suitable for connection point monitoring, transformer monitoring, and equipment monitoring

Application

Visualizes various elements in a cubicle

Meets the monitoring needs of critical equipment

Rich connectivity to external systems

Transmission of information to external systems

Analog output DC 4-20 mA 2ch

Items freely selectable from voltage, current, electricity, leakage current, power factor, and transformer load factor

RS-485 1ch

Modbus/RTU or our proprietary protocol

Warning information output (no-voltage contact) 2ch

Items of warning to be output freely selectable

Electrical energy pulse output 1ch

Specification

Voltage Three-phase 3-wire: between RS, ST, and TR wires/Single-phase 3-wire: between RN, NT, and TR wires/Single-phase 2-wire: between wires
Current, demand current Three-phase 3-wire: R,S, and T phases/Single-phase 3-wire: R, N, and T phases/Single-phase 2-wire: phases
Electricity Active power [kW], reactive power [kVar] (calculated from input current and voltage)
Electrical energy Active energy [kWh], reactive energy [kVarh] Accumulation range 0-999,999 kWh/kVarh (retained during power failure)
Electrical energy calculation method [calculation]: Calculation from input current and voltage
Electrical energy calculation method [pulse]: Integration by input pulses
Power factor LEAD 0-100-LAG 0% (LEAD for leading, LAG for lagging)
Frequency Frequency of input voltage (between R and S terminals) (measurement range: 45-65 Hz)
Leakage current Fundamental wave leakage current (Io), effective component leakage current (lor), (measurement range 0-999.9 mA)
Temperature Input from resistance thermometer (Pt100) (measurement range: -20 - +200°C)
Analog input Scaled value of DC 4-20 mA input, arbitrary unit
Pulse input Pulse integration value accumulation range 0-999.999.9 (retained during power failure), pulse weight 0.1-999.9, arbitrary unit
Contact input ON (closed) and OFF (open) status
Transformer Transformer load factor [%], loss [kWh]
Demand Current demand, forecast demand, previous demand [kW]

Measurement items

  • Voltage [V]
  • Current [A]
  • Active power [kW]
  • Reactive power [kVar]
  • Active energy [kWh]
  • Reactive energy [kVarh]
  • Power factor [%]
  • Frequency [Hz]
  • Fundamental wave leakage current [mA]
  • Effective component leakage current [mA]
  • Humidity [°C]
  • Analog input x 2
  • Pulse input x 1
  • Contact input x 2
  • Demand current [A]
  • Transformer load factor [%]
  • Transformer loss [kWh]
  • Demand [kW]

Inquiries

Click the links below to make inquiries about products, request a quotation, and download catalogs. Please feel free to consult with us.