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TIDA-01606: Output sine wave distorted when the load is attached

Patryk Pociask
Prodigy 70 points
Part Number: TIDA-01606

Hi,

I am in the process of testing TIDA-01606 and I get distorted output sine wave as shown below. Could you tell me if this inverter is capable of producing a perfect sine wave when there is a load attached or is there something wrong that I am doing, perhaps applying not enough DC link voltage?  Do you have any suggestion on how to make the output sine wave look perfect when there is a load attached to it as in the no load condition figure?

Load 1: purely resistive load 2.7ohms

Load 2: inductive load 2.2ohms and 2.5mH

Load 3: inductive load 1.5ohm and 3.6mH

No load:

I hope to hear back from you as soon as you can.

Thanks,

Patryk

  • 0
    TI__Expert 5130 points
    Patryk, hello. Thank you for your interest in Texas Instruments. Since the design owner Bart has taken to answering this E2E offline with you via email , I am going to close this E2E thread accordingly. If you have other questions on the TIDA-01606 or any other designs, please do not hesitate to contact us.

    Again, thank you for your interest in Texas Instruments and its TI Designs.

    Best Regards,

    J. Fullilove
    Texas Instruments
    TI Designs