# \#definition

**URL:** https://forum.plexim.com/tag/definition/312.md

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## [How to input rated values of a synchronous machine in parameters tab](https://forum.plexim.com/t/how-to-input-rated-values-of-a-synchronous-machine-in-parameters-tab/450)

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**Author:** [@aarthisv26](https://forum.plexim.com/u/aarthisv26)\
**Replies:** 2\
**Last updated:** [August 11, 2020, 6:33am UTC](https://forum.plexim.com/t/how-to-input-rated-values-of-a-synchronous-machine-in-parameters-tab/450 "2020-08-11T06:33:58Z")

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Hello, I am using a synchronous machine (SI units) for my model, there is no option to input the rated power, voltage/frequency in the block parameters. How does the software presume the rated values. Is there any mappin…