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Request, Online Tap Changer Example

asked 2018-09-14 00:27:52 -0500

haveityourwa gravatar image

Hey Guys, I was wondering if someone had an example of how the OLTC1T works. This is what I have entered into a dyr file.

108,'OLTC1T', 107 ,  1,20,0,2.5/

From what I understand from the documentation this will control the transformer from bus 108 to 107. This will have a CID of 1 and from page 814 in the models.pdf it will have a time delay of 20, a time constant of 0 and a subsequent time before tap signals is sent of 2.5.

However I am not sure what voltage it is controlling to?

Also I am unsure as to what these delays actually mean.

Ultimately I would like to use this model in order to change the tap every timestep (I know this may sound silly) after a certain period of time.

Any Help would be appreciated. Cheers

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answered 2018-09-14 01:17:10 -0500

perolofl gravatar image

The control data are the same as in load flow. I.e. Controlled bus, vmax, vmin, step etc.

The dynamic model will change the tap position after a time delay whenever the voltage goes outside the voltage dead-band defined in load flow. First time it will take 20 s and thereafter 2.5 s/step.

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Thanks, I thought this was the case, but have been unable to get this to work in practice. I guess I will continue trying. Thanks for the clarification on the delays.

haveityourwa gravatar imagehaveityourwa ( 2018-09-14 01:29:14 -0500 )edit

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Asked: 2018-09-14 00:27:52 -0500

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Last updated: Sep 14