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Forum: Electrical: Batteries, Generators & Solar

15-06-2014, 00:33

Replies: 55

Voltage Drop

Views: 5,071

Posted By Rusty123

Re: Voltage drop

Ketch, are you still around? What's the verdict?

Forum: Electrical: Batteries, Generators & Solar

14-06-2014, 16:37

Replies: 55

Voltage Drop

Views: 5,071

Posted By Rusty123

Voltage drop

Bill, I think this resolves much of the disagreement in the thread. That is, all components have resistance, and therefore will potentially cause voltage drop when current flows. But until current...

Forum: Electrical: Batteries, Generators & Solar

14-06-2014, 16:22

Replies: 55

Voltage Drop

Views: 5,071

Posted By Rusty123

Re: Voltage drop

Smac, you are correct in theory. Problem is that there is no way to measure voltage without introducing current (from the meter), which makes the scenario deviate from theory.

Forum: Electrical: Batteries, Generators & Solar

13-06-2014, 11:58

Replies: 55

Voltage Drop

Views: 5,071

Posted By Rusty123

Voltage drop

Yeah, I should have clarified that I'm not implying that the OP's wire isn't bad, only that my instinct as to expected voltage was faulty.

To extend your thought process a couple more steps -- if...

Forum: Electrical: Batteries, Generators & Solar

13-06-2014, 10:26

Replies: 55

Voltage Drop

Views: 5,071

Posted By Rusty123

Re: Voltage drop

Bill's post prompted me to dust off some of my old basic electronics theory (a whole lot easier with the internet, incidentally). While I was familiar with the difference between the operation of an...

Forum: Electrical: Batteries, Generators & Solar

12-06-2014, 14:57

Replies: 55

Voltage Drop

Views: 5,071

Posted By Rusty123

Re: Voltage drop

Right, my mistake.

Forum: Electrical: Batteries, Generators & Solar

12-06-2014, 12:27

Replies: 55

Voltage Drop

Views: 5,071

Posted By Rusty123

Voltage drop

Voltage drop is 1.24 volts, not 0.24. But if no current is flowing (as he claims), the resistance wouldn't matter. Not saying he doesn't have some bad connections somewhere, but there's gotta be...

Forum: Electrical: Batteries, Generators & Solar

12-06-2014, 12:21

Replies: 55

Voltage Drop

Views: 5,071

Posted By Rusty123

Re: Voltage drop

You mention a bus bar. Are there other wires connected to the bus bar? If so, lift the end of the 27 foot wire and measure voltage of the wire only. This would eliminate potential loads on the bus...

Forum: Electrical: Batteries, Generators & Solar

12-06-2014, 12:16

Replies: 55

Voltage Drop

Views: 5,071

Posted By Rusty123

Re: Voltage drop

When you move the meter probe from one end of the wire to the other, are you also moving your ground probe? If so, some of the variation could be attributed to a variation in ground potential within...

Showing results 1 to 9 of 9

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