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Can't match the delta of Generator at SMIB

asked 2024-02-21 17:31:15 -0500

gabriel_ipu gravatar image

updated 2024-02-21 20:26:10 -0500

I'm trying to match the results of dyn simulation of PSS/E with an Brazilian software. SMIF with two lines and i trip and close one line to see the results. No exciter,nor governor models or PSS

I cant match the Delta of the Generator, the other variables like Pele, Qele, Angle seens to be fine

imgur com/a/BhKGcvB (couldn't put the link because i dont have karma)

I'm wondering if someone can help me and offer suggestions to fix that. Thanks for the attention.

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answered 2024-02-22 03:51:35 -0500

perolofl gravatar image

It is difficult to say what your problem is. Do you mean that the machine SPEED signal (per unit speed deviation) is wrong? Please explain with words what is not matching.

Read about SPEED signal in this forum, for example post "Frequency zero".

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I'm simulating at PSS/E and another software. In this image (imgur com/a/BhKGcvB) you can see that everithing matches but the 'Delta' is a little bit different i don't know what is causing that difference

gabriel_ipu gravatar imagegabriel_ipu ( 2024-02-22 10:26:28 -0500 )edit

Do you mean the SPEED channel? There is no image shown! Have you enabled "Network frequency dependence" in Dynamic Simulation Options?

perolofl gravatar imageperolofl ( 2024-02-22 12:25:58 -0500 )edit

I mean the ANGLE channel. (imgur.com/a/BhKGcvB) is the link, and yes, i've enabled the Network frequency dependence

gabriel_ipu gravatar imagegabriel_ipu ( 2024-02-22 12:49:18 -0500 )edit

But you wrote in the post that the angle was ok!?

perolofl gravatar imageperolofl ( 2024-02-22 15:08:13 -0500 )edit

I see the figure now. Maybe there is a difference in the generator models. e.g. how the saturation is modelled.

perolofl gravatar imageperolofl ( 2024-02-23 02:04:23 -0500 )edit
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Asked: 2024-02-21 17:31:15 -0500

Seen: 101 times

Last updated: Feb 22

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