# \#modeling

**URL:** https://forum.plexim.com/tag/modeling/106.md

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## [Can PLECS be used to benchmark the CPU performance of a control loop?](https://forum.plexim.com/t/can-plecs-be-used-to-benchmark-the-cpu-performance-of-a-control-loop/1405)

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**Author:** [@Finn\_B-M](https://forum.plexim.com/u/Finn_B-M)\
**Replies:** 0\
**Last updated:** [October 15, 2024, 10:30am UTC](https://forum.plexim.com/t/can-plecs-be-used-to-benchmark-the-cpu-performance-of-a-control-loop/1405 "2024-10-15T10:30:34Z")

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Hello, I am currently working on a project to analyse the performance of different control systems. I am wondering whether, if I implement different control systems in PLECS, whether PLECS is able to report the CPU load…

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## [Can I include EMI filter in PLECS?](https://forum.plexim.com/t/can-i-include-emi-filter-in-plecs/1316)

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**Author:** [@Sivakumar\_Gannamraju](https://forum.plexim.com/u/Sivakumar_Gannamraju)\
**Replies:** 1\
**Last updated:** [February 12, 2024, 10:51am UTC](https://forum.plexim.com/t/can-i-include-emi-filter-in-plecs/1316 "2024-02-12T10:51:40Z")

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Could you please tell me anyways or give me some examples of including an EMI filter (which has common mode, and differential mode chokes and x cap, y caps)in PLECS.

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## [What component can I use to measure the frequency of a three phase virtual synchronous inverter in PLECs?](https://forum.plexim.com/t/what-component-can-i-use-to-measure-the-frequency-of-a-three-phase-virtual-synchronous-inverter-in-plecs/1242)

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**Author:** [@Philip\_Kasempa](https://forum.plexim.com/u/Philip_Kasempa)\
**Replies:** 1\
**Last updated:** [June 5, 2023, 11:59am UTC](https://forum.plexim.com/t/what-component-can-i-use-to-measure-the-frequency-of-a-three-phase-virtual-synchronous-inverter-in-plecs/1242 "2023-06-05T11:59:34Z")

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I’m trying to measure the frequency of a 3 phase VSI but i’m not sure of how to do it in PLECs

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## [What can I use to represent a reciprocal in math function?](https://forum.plexim.com/t/what-can-i-use-to-represent-a-reciprocal-in-math-function/1206)

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**Author:** [@Awesome](https://forum.plexim.com/u/Awesome)\
**Replies:** 1\
**Last updated:** [February 15, 2023, 3:19pm UTC](https://forum.plexim.com/t/what-can-i-use-to-represent-a-reciprocal-in-math-function/1206 "2023-02-15T15:19:46Z")

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I need a reciprocal under math function block. After selecting the math function block in plecs library, there is no function for reciprocal. The functions under the math function are square,square root,exponential, lo…