ACFormulas

AC Formulas

Trigonometry Sine

Trigonometry Cosine

Power Factor

Trigonometry Tangent

AC Formulas

AC Power 1 Phase

AC Power 3 Phase

Horse Power 1 Phase

Horse Power 3 Phase

Reactive Power 1 Phase

Reactive Power 3 Phase

AC Story Problems 1 Phase

AC Story Problems 3 Phase

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These ohms watts formulas work for all circuits because power factor has been included in the formulas. If the circuit you are making calculations for is DC or AC resistive, then there are more basic formulas which can be uses. Click HERE to see these formulas.

Check out this pie chart to see formulas used in all AC circuits. Keep in mind that if the AC circuit you are working on is purely resistive, then pf will be 1.0 and can be left out of the calculation.

Find practice problems with these values on subsequent pages of this website.

 

 

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