About Rotary Phase Converters

Rotary Phase Converter runs 3 phase equipment at Full Rated Power from a single-phase power source.

A rotary phase converter is the most popular and universal type of phase converter. The rotary phase converter consist of two components.  An “idler generator” and a “control panel”.  The control panel includes a start circuit to start/stop the idler generator and capacitance to balance voltages between phases.  The idler generator is energized by the single phase power spinning a rotating mass.  This rotation generates a third line of power which is coupled with the 2 single phase line to make 3 phase power.

What will a rotary phase converter run?   A rotary converter will run every type of load (motor, resistive and inductive loads).

There are 3 types of rotary phase converters:

  • Standard Rotary Phase Converter
    • Pro-Line (PL) with digital start circuit
  • Digital Rotary Phase Converters
    • Smart-Boost™ (SB) with digital current boost mode
    • Smart-Phase™ (SP) with active digital voltage balancing
  • Rotary Converter Control Panels
    • CP (add your own idler motor)