# Problem With 3-phase PLL in a 12 pulse thyristor rectifer

**URL:** <https://forum.plexim.com/t/problem-with-3-phase-pll-in-a-12-pulse-thyristor-rectifer/1066>\
**Category:** PLECS\
**Tags:** rectifier, thyristors\
**Created:** [October 5, 2021, 10:56pm UTC](https://forum.plexim.com/t/problem-with-3-phase-pll-in-a-12-pulse-thyristor-rectifer/1066 "2021-10-05T22:56:20Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Kris\_Eberle](https://dub1.discourse-cdn.com/flex006/user_avatar/forum.plexim.com/kris_eberle/32/6_2.png) [@Kris\_Eberle](https://forum.plexim.com/u/Kris_Eberle)\
**Post date:** [October 15, 2021, 6:57pm UTC](https://forum.plexim.com/t/problem-with-3-phase-pll-in-a-12-pulse-thyristor-rectifer/1066/2 "2021-10-15T18:57:45Z")

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Hello, can you provide a reference for what waveforms you expect to see here? The model looks like it is working correctly so it would be helpful to better understand the target operation.

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