I'mClueless
New Member
Hello,
I have an automotive alternator that's rotating at 6000 RPM and the 3 phases are fed through a Bridge Rectifier. That creates DC current, but with a 18kH (6000 x 3) ripple. THe amperage will be 270 but I do not know exactly what the voltage will be, however I know that it will be less than 24V. The application is a welder and my questions are below:
Would I calculate the capacitor uF saturation time by dividing 18,000 by 1,000,000?
How do I select a capacitor that will not fail from heat?
Would it be better to use a couple of Hi Amp 12V batteries wired in a series?
There will not be a conventional voltage regulator, however I will control the voltage by controlling the current to the fields. When I strike an arc than then the fields will be excited and the motor RPM will increase.
Yep,
I'mclueless
I have an automotive alternator that's rotating at 6000 RPM and the 3 phases are fed through a Bridge Rectifier. That creates DC current, but with a 18kH (6000 x 3) ripple. THe amperage will be 270 but I do not know exactly what the voltage will be, however I know that it will be less than 24V. The application is a welder and my questions are below:
Would I calculate the capacitor uF saturation time by dividing 18,000 by 1,000,000?
How do I select a capacitor that will not fail from heat?
Would it be better to use a couple of Hi Amp 12V batteries wired in a series?
There will not be a conventional voltage regulator, however I will control the voltage by controlling the current to the fields. When I strike an arc than then the fields will be excited and the motor RPM will increase.
Yep,
I'mclueless
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