How can i use PSS/E to calculate critical clear time through Python

asked 2023-12-06 01:46:40 -0600

ZYW200185
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Hi, I want to use PSS/E to calculate critical clear time(CCT) through python.But i can't find the corresponding API code to solove this problem . So i want to ask for help to slove this . If someone can tackle this problem ,i will show my thanks for you

answered 2023-12-06 02:42:25 -0600

perolofl

3332 ●1 ●8 ●19

updated 2023-12-06 08:22:26 -0600

Use a for loop and perform dynamic simulations with increasing fault clearing time until instability occurs.

EDIT:

Critical Clearing Time (CrCT) calculation was introduced in PSSE rev 35.5.

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thank you for your comment . i will try it

ZYW200185 ( 2023-12-06 03:24:16 -0600 )edit

I have further question about CrCT calculation. I always got the error message "Generators are not "converted"" and the simulation stopped. It seems like I do something wrong when saving the snp file. How to get a converted case when I load the .sav and .snp file? Thank you.

sugui_ ( 2023-12-06 18:05:35 -0600 )edit

hello，when i do this ,i have one more question . which API or arguments can i use to determine the system's state like stable or unstable . Maybe i can use TSI or frequency?

ZYW200185 ( 2023-12-07 20:53:28 -0600 )edit

Generators and loads must be converted before initialising. See Figure 14.4 in PAG, vol 2.

perolofl ( 2023-12-08 05:49:48 -0600 )edit

Instability is checked with "Angle spread" channel. Add channel with Select Channels by Subsystem - Machine angle statistics.

perolofl ( 2023-12-08 05:53:43 -0600 )edit

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