Applications

• Metering of distribution feeders, transformers, generators, capacitor banks and motors
• Commercial & industrial utility
• Flexible control for demand load shedding, power factor, etc
• Power quality analysis

Digital Measurement

• True RMS Phase & Ground Current
• True RMS Phase & Line Voltage
• Energy
• Positive & Negative Active power (kW) & Reactive power (kVAR)
• Last & Maximum Demand readings for:
  • phase current (A)
  • active power (kW)
  • reactive power (kVAR)
  • apparent power (kVA)
• Frequency (Hz)
• Voltage & Current Unbalance
• Voltage & Current harmonic analysis up to the 13th
• K-value measurement
• Event recorder

Communication

• Communication port: (1) RS232 and (2) RS485
• Remote programming of the setpoints
• Protocol used: Modbus RTU
• Ethernet comunication port (Modbus TCP/IP)

Signalling and Programming

• LCD & LED display indication
• Indication and storage of fault conditions and their values
• Indication on the system status:
  • Normal
  • Current fault
  • Voltage fault
  • Unbalance fault
  • Power fault
  • Power factor fault
  • Demand fault
  • THD fault
  • Frequency fault

Protection and Functionality

• Phase Under & OverCurrent
• Ground OverCurrent
• Phase Under & OverVoltage
• Phase Sequence
• Current & Voltage total harmonic distortion (THD)
• Under & Over Frequency
• Positive & Negative active power
• Positive & Negative reactive power
• Voltage & Current Unbalance
• Power factor (leading or lagging)
• Demand readings for:
  • phase current (A)
  • active power (kW)
  • reactive power (kVAR)
  • apparent power (kVA)