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Participant

Join Date: Apr 2016
Posts: 2

Transient Analysis - Need Help For Transformer Model

04/13/2016 2:47 PM

Hello Everyone,

I'm working on a project to simulate a transient switching resonance to determine if snubber circuit is required to protect MV transformers from high frequency oscillatory transient overvoltages resulting from system switching analysis (Vacuum Circuit Breaker). I am using PSCAD for this analysis (We only have this software license)

Can anyone advise me on how to model the transformer in PSCAD which will be frequency dependent. I have the transformer information from the customer.

So far I was able to the library components in the PSCAD library to build the source, vacuum circuit breaker and cable (cable as simple RLC netwrok). It is the transformer I am not able to model.

Any advise w

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Guru

Join Date: Oct 2008
Posts: 42292
Good Answers: 1663
#1

Re: Transient Analysis - Need Help For Transformer Model

04/13/2016 2:57 PM
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Participant

Join Date: Apr 2016
Posts: 2
#2
In reply to #1

Re: Transient Analysis - Need Help For Transformer Model

04/13/2016 3:14 PM

Hi Lyn,

Any reference for transformers (frequency dependent) for transient switching?

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Guru

Join Date: Oct 2008
Posts: 42292
Good Answers: 1663
#3
In reply to #2

Re: Transient Analysis - Need Help For Transformer Model

04/13/2016 4:19 PM

Contact Manitoba Hydro International Ltd. EMTDC directly.

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Guru

Join Date: Oct 2012
Location: 100 miles North from the World Center
Posts: 856
Good Answers: 42
#4

Re: Transient Analysis - Need Help For Transformer Model

04/30/2016 12:17 PM
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Julius
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