Ensto LVAC Power Quality - The best power quality for low voltage with high performance and lower distribution losses


Low Voltage Alternating Current (LVAC) solution improves quality of electricity and makes it safer for the end users. Power Quality products show their best performance in sparsely populated areas and in holiday housing areas. Our solution enables minimal investment costs but considerably improves low voltage networks.

The distribution distances of low voltage can be long, and due to distribution losses, the voltage level can drop. Disturbances like harmonic waves, voltage and frequency variations are rather common. Our Power Quality products are the solution for these unwanted situations. 

Why choose LVAC solution?


LVAC Power Quality products:

  • Eliminate common problems with the electricity supply.
  • Decrease unwanted neutral wire current and harmonic waves.
  • Balance and control line voltage variations.
  • Increases the end users safety.
  • Are reusable.
  • Are ecological.

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Ensto Phase Balancer


Phase Balancer corrects unbalanced loads in three phase networks and improves safety at the same time. The end users can enjoy safe and balanced electricity without worries about flickering lights or overloading the network.

Phase Balancer can be used in several different locations in three phase networks, depending on which power quality problem has to be solved. It offers multiple features that help utility network companies to improve capacity in low voltage network. Parallel connection allows fast and secure installation that saves investment costs.

  • Versatile and efficient – Maximizes the existing low voltage capacity, reduces line losses, flicker, and total harmonic distortion (THD).
  • Safe – Increases short circuit current, improves protection devices´ operation time and reduces unwanted neutral wire current.
  • Cost efficient – Enables minimal investment costs but considerably improves low voltage networks .

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Ensto Voltage Booster


Voltage Booster corrects the lowered voltage level. It can be a quick and temporary solution when the network capacity is exceeded, and it can be reused by installing it in a new place.

Voltage Booster measures the existing voltage continuously and if necessary, activates its boost function. Boosted voltage is based on an auto-transformer, the ratio of which can be changed step by step with semiconductor switches. The reaction time of the device is fixed to 300 ms. The device is installed near a consumer with lowered voltage level problems. After the installation, the device is immediately ready to be used without separate settings or calibration.

  • Quick – Quick to install and to take into use. A solution that provides better life quality for the end users in their homes.
  • Efficient – Complies the existing grid topology, updates the existing grid to meet the current voltage quality demands and maximizes long lifetime of  the low voltage network.
  • Safe and ecological – Air-cooled, manufactured from ecological materials, and fully recyclable.

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Ensto Voltage Controller


Voltage Controller is a single-phase solution, which is installed close to the energy consumer interface, where lowered or over voltage problem exist.

Voltage Controller is protected by a miniature circuit breaker and a control module that monitors the operation of the device, e.g. the transformer temperature. The protection class of the device is IP44, so it’s suitable for a variety of different environmental conditions, from blazing hot to freezing cold.

  • Compact – Lightweight, efficient, and double isolated – there is no need for grounding.
  • Ecological and recyclable – Air-cooled, manufactured from ecological materials, and fully recyclable.

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Ensto Utility Manager


Preventive maintenance and communication for distribution networks

Ensto Utility Manager is a cloud-based platform that prevents, controls and locates any possible defects in electricity distribution by analyzing continuous measurement and status information from Ensto LVDC Microgrid, LVAC Power Quality and Network Automation solutions. This reduces interruptions in electricity distribution and declines complaints. The Utility Manager permits detailed viewing and controlling of the network and its customer interactions, supporting billing, site priorities and the development of new services. Utility Manager connects LVAC and all its Power Quality devices to the utility's SCADA. 

Contact your country sales and ask more!