Automatic Voltage Regulator


Yes, you can still get support for your legacy ABB AVR.

Hughes Technical Services’ (HTS) electrical commissioning engineers are specialists with years of experience and OEM training in the following types:

  • ABB Unitrol P
  • ABB Unitrol M
  • ABB Unitrol F
  • ABB Startex

We also support Converteam D3 and Unitrol D.