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SCR and X/R ratio of PLBVFU1 model

asked 2025-06-24 22:26:04 -0500

anonymous user

Anonymous

I read a post titled 'How to calculate SCR, X/R ratio in PSS/E?' and tried to simulate the LVRT test of a wind farm.

However, when i try to play back voltage of 0pu, the voltage at the POM stays around 0.3pu due to the ZSORCE of the infinite bus generator.

Is there a way to simulate PLBVFU1 model using specified SCR and X/R ratio values?

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Skip the SCR and use an infinite generator instead. Increase Mbase and decrease zsorce.

perolofl gravatar imageperolofl ( 2025-06-25 03:49:25 -0500 )edit

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answered 2025-07-10 19:54:13 -0500

DASI_CRES gravatar image

When using PLBVFU1, intention is to apply the required playback at the POC. Use an infinite generator with a very low impedance SCR(9999) branch to play the same voltage and frequency at the POC. Also the Playback generator is a voltage source behind an impedance. To get the same voltage at the terminal make your infinite machine MVA higher or reduce machine impedance (specifically X).

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Asked: 2025-06-24 22:26:04 -0500

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Last updated: Jul 10