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14. Difference between PAM control and current passive power-factor improvement circuit
control
14-1. Control is performed by IC built into ACT module so that current waveform is similar to input voltage waveform.
I (input current)
input voltage
V (input voltage)
Effective
input current
voltage
area
Effective
voltage area
Reactive power range
(even though voltage is applied, no current flows)
Power is used effectively in total range
<Current passive power- factor improvement circuit control>
<PAM control>
※ Power can be used about 10% more effectively with respect to current system (power factor = 100%), assuring as
the same current (20A), and maximum capacity increases.
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