Power quality control

Schaffner has introduced a digital solution to efficiently reduce power system perturbations with the ECOSine Active.

Using the latest generation electronics enables an intelligent and adaptive compensation of harmonic currents with a response time of less than 300 µs.

The device continuously measures and analyses disturbances in the power network and provides an exactly opposite compensation current. In doing so, the filter adapts to changing network topologies and responds in less than 0.5 ms.

The unit ensures that the electrical infrastructure is unburdened, preventing potential overheating of transformers, motors and cables.

In addition to the global or selective mitigation of harmonic currents up to the 50th order, it performs power factor correction in a targeted manner.

The 50 and 100 A filters in the IP20 design are suitable for panel integration, so they can be installed by the nonlinear load.

The IP54 rating of the 300 A unit provides protection against dust and environmental influences, making it suitable for harsh industrial applications.

The unit is available in a three-phase 3-wire as well as three-phase 4-wire configuration for 480 and 400 V grids and with rated compensation current of 30 to 300 A.