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TMS320F28035: TIDM-HV-1PH-DCAC: TIDM-HV-1PH-DCAC

liujun
Prodigy 160 points
Part Number: TMS320F28035
Other Parts Discussed in Thread: CONTROLSUITE, TIDM-HV-1PH-DCAC

controlSUITE\development_kits\HV_1PH_DCAC\v1_02_00_00\hardware\r3\TIDM-HV-1PH-DCAC-SCH.PDF

Some problems of about TIDM-HV-1PH-DCAC-SCH.PDF

Design Guide: TIDM-HV-1PH-DCAC
Voltage Source Inverter Reference Design

Description
This reference design implements single-phase
inverter (DC/AC) control using a C2000Tm
microcontroller (MCU). The design supports two
modes of operation for the inverter: a voltage source
mode using an output LC filter

High-efficiency, low
THD, and intuitive software make this design attractive
for engineers working on an inverter design for UPS

So some questions are as follows（about a voltage source mode using an output LC filter，TIDM-HV-1PH-DCAC-SCH.pdf）

C4，C8，C13，C14 ，L2,L4  Can these components be eliminated?What would be the impact if these components were removed?

c1 is 20uf？

Can the common mode inductance work if there is no grounding point in the entire system?

TIDM-HV-1PH-DCAC-SCH.pdf

  • 0
    TI__Intellectual 1995 points

    Hello Liujun

    C1 is 20uF.

    C4，C8，C13，C14 ，L2,L4 are part of EMI filter. Removing these components may have little bit of effect on the performance. For instance, when I removed EMI filter inductor while working on a different board, the ripple in the main inductor increases. 

    Can the common mode inductance work if there is no grounding point in the entire system?

    I do not have answer to this question at this moment. I will explore and let you know.

    Thanks

    Amir