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ETAP Pelton Turbine Governor Modeling

03/05/2018 5:20 PM

Good evening.

I need to model a governor for a synchronous generator with a Pelton turbine as prime mover.

I need help to choose a suitable "built in" governor model or what UDM model to work with.

I am looking forward to hearing from you all.

Best regards.

Carlos Melim

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#1

Re: ETAP pelton turbine governor modeling

03/05/2018 8:42 PM
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#2

Re: ETAP pelton turbine governor modeling

03/05/2018 11:35 PM

How much information have you gathered, and where did you get "stuck". Knowing what work you have done on your own may help the forum understand the nature of your assignment, otherwise it is guess-work on our part.

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#3
In reply to #2

Re: ETAP pelton turbine governor modeling

03/06/2018 7:24 AM

I´m interested in modelling a pelton-turbine governor and study how it works after a sudden generator loss on the grid.

ETAP has several built-in governors but I think none really applies to a pelton hydraulic turbine.

Hidraulic turbines load acceptance is slow because the nozzles movements are slow.

The available buit-in modules are only for steam, gas or diesel prime-movers.

I can build a UDM ( User defined model ) but I need some guidelines or some base model to start.

I can have access to measured data of a load acceptance disturbance and with a suitable model I can tune it.

Thanks for all your help.

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#4
In reply to #3

Re: ETAP pelton turbine governor modeling

03/06/2018 9:36 PM

Thanks for the additional info! Pelton turbines vary widely in design and use, from hobbyist mini-hydro to major power generation, so it's important to know things such as: water head/flows, power rating, type of governor (mechanical, hydraulic, electronic), etc., etc. Knowing these parameters will make it easier to point you in the right direction. The more details you provide, the better the results will be.

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#5
In reply to #4

Re: ETAP pelton turbine governor modeling

03/08/2018 6:43 AM

Good morning,

I have uploaded to WeTransfer two pdfs with the generator, turbine and governor info.

The download link is: https://we.tl/U9HFT5r6ab

Please check it and ask me any more data that you need.

Best regards.

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#6
In reply to #5

Re: ETAP pelton turbine governor modeling

03/08/2018 8:52 PM

I see the source of your frustration; you have most of the hardware information, but none of the software/setting information. Somewhere in your documentation you may find the Commissioning Data for the governor system, someone must provide this data in order to setup and verify that the system actually performs as ordered.

If you're looking for some guidance on what these parameters actually look like, you can start here, you'll find many more papers on the topic that have been published by the IEEE.

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Carlos Melim (2); RAMConsult (3); SolarEagle (1)

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