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i2t in "Geo Brick LV Setup Assistant v2.9"


sbrun
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In the "Geo Brick LV Setup Assistant 2.9" the configuration for the following motor :

Brushless, Peak 4Arms, Rate 2.5Arms, Bus 48volt, Motor max 48v, time 1sec,

(GeoBrick-LV 5A, pwm 4.517KHz, phase 9.034KHz, servo, 2.259KHz)

Give: I157=2963, I158=118, I169=4742

 

With the formulas in the GeoBrick documentation, and in DTcalcs2008.exe, (and in my own calculator),

i get the values : I157=2964, I158=29, I169=4742

 

I think there is a problem about the ixx58 calculated in the excel file.

 

PS: I have not found the correct thread in bugzilla to put this topic.

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  • 1 month later...

Motor works using  the formula given in the Geobrick documentation.

We fixed our problem by playing on parameter Ixx6” when motor is in position.

 

Nevertheless, could you please confirm there is an error in calculation of Ixx58 parameter in “Geo Brick LV Setup Assistant 2.9” ?

We assume that  documentation and old tool DTcalcs2008.exe is correct.

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