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Ohms Law Ohms = Volts/Amperes (R=E/I) Amperes = Volts/Ohms (I=E/R) Volts = Amperes x Ohms (E=IR) |
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| Power AC Circuits
3 phase KW = Volts x Amps x Power Factor X 1.732 / 1000 3 phase Amps = 746 x Horsepower / 1.732 x Volts x Efficiency x Power Factor 3 phase Power Factor = Input Watts / Volts x Amps x 1.732 1 phase Power Factor = Input Watts / Volts x Amps |
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| Power DC
Watts = Volts x Amps (W=EI) Amps = Watts / Volts (I=W/E) Horsepower = Volts x Amps x Efficiency / 746 |
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| Conversion Factors
Conversion Web Site Centimeters x .3937 = inches Inches x 2.54 = Centimeters Kilometers x .6214 = Miles Meters x 3.281 = Feet Miles x 1.609 = Kilometers Celsius=(Fahrenheit-32) / 1.8 Kalvin=Celsius+273 |
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| Motor Application
Troque (lb. - ft.) = Horsepower x 5250 / RPM Horsepower = Troque (lb. - ft.) x RPM / 5250 |
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