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etaULTRA

3 CT APFC Controller

etaULTRA - 3 CT APFC Controller
Overview

Lauritz Knudsen etaULTRA APFC Controller – A 3 CT APFC Controller for accurate phase-wise monitoring, individual harmonics measurement up to the 31st order, and advanced optimization algorithms, etaULTRA ensures hunt-free operation, superior power quality, and optimal capacitor bank switching via contactors or thyristors. With built-in MODBUS RS-485 communication, dual power factor settings for mains/DG applications, and cascading support for panels exceeding 16 steps, it delivers unmatched reliability and efficiency in unbalanced or harmonic-rich systems.

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Features

  • 3- Phase Current and Voltage measurement
  • Cascading - Master-slave configuration possible to increase contact output up to 64 steps
  • Dual PF setting for Mains-DG application
  • Individual harmonics measurement up to 31st order
  • PF setting - up to 3rd digit after decimal
  • Site selectable 2 or 4 quadrant operation for industries with or without Solar plants

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Benefits

  • Superior Handling of Unbalanced Loads — 3 CT inputs enable phase-wise monitoring and individual correction, ensuring accurate power factor control in unbalanced systems.
  • Harmonics Monitoring and Management — Measures individual harmonics up to the 31st order, helping identify and mitigate distortion for better power quality and equipment protection.
  • Hunt-Free and Stable Operation — Advanced optimization algorithms provide precise control at the target setpoint, preventing unnecessary capacitor switching and extending component lifespan.
  • Versatility for Modern Applications — Supports 2-quadrant (conventional) or 4-quadrant operation, ideal for sites with or without solar integration, handling power export scenarios effectively.
  • Scalability and Integration — Master-slave cascading for panels with more than 16 steps, plus inbuilt MODBUS RS-485 communication for seamless SCADA/BMS integration and remote monitoring.

More Application & Usage

More Applications & Usage

  • Automotive Industry
  • Data Centres
  • Building & Infrastructure
  • Textile Industry
  • Paper Mills
  • Sugar Plants
  • Pharmaceutical Industry
  • Oil & Gas Exploration
  • Water Treatment

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