Stamford PFC3 - Page 9

Fig 4 (Dead-band vs Dynamic) shows diagramatically the difference between dead-band and dynamic control modes and the effect
of the [ BAND ] control as seen on a typical power factor meter.
Fig. 4 Dead-Band vs Dynamic
Fig 5 (Dead-band Control Action) further explains the operation of the PFC3 when set in dead-band control mode.
Fig. 5 Dead-Band Control Action