33 lines
513 B
Markdown
33 lines
513 B
Markdown
---
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id:
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aliases: []
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tags:
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- destiny/fleeting
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- type/idea
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---
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# Voltage Drop
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> [!info] Ohm's Law
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> $$
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> V = I \times R \quad R = \frac{ V }{ I }
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> $$
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$$
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Vd = \frac{ I \times R \times L \times M }{ P }
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$$
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$$
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L = \frac{ Vd }{ I \times M } \times \frac{ P }{ R }
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$$
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where
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- $Vd$ = Maximum Voltage Drop in volts
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- $I$ = Current in Amps
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- $R$ = Resistance in ohms per foot
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- $L$ = Length of wire one way in feet
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- $M$ = Multiplier
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- $2$ for 1-phase
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- $\sqrt{3}$ for 3-phase
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- $P$ = Number of parallel runs
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