The wider use of equipment with non linear absorption such as rectifiers, speed variations, drives, switching power supplies, has caused, besides traditional and well known voltage fluctuations, the spreading of a new insidious type of electrical fault: harmonic distortion. 

Companies producing electric energy generate the correct voltage. However, failures on the line, atmospheric conditions, continual load variations and disturbances generated by the actual users make it impossible to guarantee every user a steady voltage within the tolerance bandwidth stipulated in the supply contract. IVR series of electrodynamics voltage stabilizers offer a reliable and tested economic solution to inconveniences caused by voltage fluctuation.

The three-phase stabilizers are available in two versions:

Balanced Load models which regulate on the average of the three phases and are therefore suitable for balanced lines or for a maximum load unbalance between the phases of 50%.

Unbalanced Load models that, having three separate control circuits, individually regulate each phase and are therefore suitable for unbalanced lines and load unbalance between phases up to 100% phase opposition to bring the mains to the value.

Powertech designs and manufactures upto 2000 KVA Systems for industrial applications. Systems can be configured in various combinations with desired protections and metering to suit application demands.