control concepts

Our microprocessor-based SCR power controllers, FUSION, Compact FUSION, and MicroFUSION, provide reliable, precise power control in either an analog or digital environment.

Our free Control Panel software allows for easy setup and parameter customization.

The term zero-cross or synchronous operation of SCR's is derived from the fact that the SCR's are turned on only when the instantaneous value of the sinusoidal waveform is zero.

In zero-cross operation power is applied for a number of continuous half-cycles and then removed for a number of half-cycles to achieve the desired load power in the same manner as power would be controlled with a mechanical switching device.