Three-phase LC Filter SPWM/SVPWM Inverter Filter Low Pass berkah

Three-phase LC Filter SPWM/SVPWM Inverter Filter Low Pass berkah
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Certification : CE
Origin : CN(Origin)


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5ABrief introduction of filter board

5Athree-phaseLClow pass filter ，Filter inductor2 mH/5A，Filter capacitor4.7uF/630V， The theoretical cut-off frequency of the filter is1642Hz，It can be used in three phasesSPWMInverter or three phaseSVPWMOutput filtering of inverter，inputUVW，outputABCN，amongNIt is the neutral point of filter capacitor with three-phase star connection。It can also be used as single phase independentlyLCwave filter，At this time, the input is connected to theUandN，Output connectionAandN。(notes: The output of inverter must be filtered before sine wave can be seen by oscilloscope)

Custom inductor，Full and sufficient，Ensure the filtering effect!

Window processing of circuit routing，Self tin can lead to higher current！

The following is an example of the improvement5ATake pictures in real time，changePCBLayout and wiring，Larger line width，More beautiful！

Please pay attention to the following one！！！

More inductance！！！

High current terminal！！！

PCBThe circuit is not covered by the device，Convenient for subsequent tin addition！！！

High voltage and high frequency electrodeless turn off capacitor（Later version changed to250VA. C. capacitor，The effect is better），The filtering effect is better！！！

PCBLine window processing，10mmline width，Simple and beautiful！！

Filter size comparison！！！

Before filtering：

After
HM76601