11.4 Option
11-53
Chapter 11 SELECTING PERIPHERAL EQUIPMENT
[4] AC reactor (ACR)
Use an ACR when the converter part of the inverter should supply very stable DC power, for example,
when the power supply voltage is unstable (e.g., inter-phase voltages are exteremly imbalanced) in DC
link bus operation (shared PN operation). Generally, ACRs are used for correction of voltage waveform
and power factor or for power supply matching, but not for suppressing harmonic components in the power
lines. For suppressing harmonic components, use a DCR.
Figure 11.4-19 External View of AC Reactor (ACR) and Connection Example
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