Voltage converter, with frequency inverter function, for motor drive from continuous current sources.

They are used for critical load drives, such as bearing lubrication pumps and lifting pumps, from continuous current sources.

In this way in case of AC network failure, the motors are driven by the battery bank, without danger of loss of engine drive.

It also has Soft Start in the start of the engines, which reduces the mechanical wear of the engine, and reduces the risk of tipping the protection system of the Plant / Substation by overload in the DC network.

Optionally can be supplied with by-pass circuit between AC power network and Frequency Inverter