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Line voltage regulator for low voltage grids

Reliable answer to voltage variations

ABB offers innovative line voltage regulators for LV distribution grids that automatically compensate for voltage fluctuations. This reliable and efficient solution is an economical alternative to conventional network expansion for installations such as photovoltaics applications.

Product scope

  • Rated power:     63, 125, 250 kVA
  • Voltage:            400 V / 230 V
  • Number of steps: 11
  • Total voltage regulation range: ±6 %
  • Step voltage: 1.2 % (±5 x 1.2 %)
  • Number of switching operations (mechanical): >1’000’000


Advantages at first sight

  • Economical solution compared to grid expansion
  • Autonomous voltage regulation to a given set point
  • Possible to connect to the grid control system for remote
    control or monitoring of the grid
  • Energy efficient and environmentally friendly, using proven ABB technologies
  • No fire hazard, completely free of oil
  • Optimized voltage steps for a good voltage stability and
    a minimum of switching operations
  • Short delivery time
  • Simplified authority approvals since mounted in cable
    distribution cabinet
  • Simple and fast installation

To learn more about this innovative solution, click on the data sheet available in the downloads section.

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