Re: Digest for we-technology-wg@googlegroups.com - 1 update in 1 topic

[Gael Cesa]

Hi,

If i remember well the short circuit current is 10 times the nominal current.

But you are sizing your circuit breaker regarding your nominal current. 

So if you have a 350 W at 24 V you have 15 A. So you need a circuit breaker a little bit bigger that this 15 A. Basically an 20 A.

Gaël.

2018-02-07 8:15 GMT+01:00 <we-technology-wg@googlegroups.com>:

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• Max. Current of Short-Circuit-Break-Switch - 1 Update

Max. Current of Short-Circuit-Break-Switch

Luiz Villa <luizl...@gmail.com>: Feb 06 06:24PM +0100 Hello Hans,              That is a very good question. From experience on what I've seen so far, an off-the-shelf three-phase circuit breaker for around 60A works very well. Of course, this depends on the size of your wind turbine, the wind in the region and your budget.             I'm curious to see what others think on this subject.                   cheers                    Luiz     On 02/06/2018 12:40 AM, 'Hans Peter Duesentrieb' via Technology WG (Wind Empowerment) wrote:   -- -------------------------------------------------------------- Dr. Luiz Fernando Lavado Villa Associate Professor in Electrical Engineering at the Technological Institute of the University of Toulouse Researcher in Smart Renewable Energy Systems for Rural Electrification at LAAS-CNRS, Toulouse -------------------------------------------------------------- Homepage: https://homepages.laas.fr/lflavado/

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Gaël CESA
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