Electric Calcs
Simplified Electrical Calculations for Sophisticated Results
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Basic
AC Power - 3 Phase Power
AC - 3 Phase KW
AC - 3-Phase HP
AC - 3-Phase KVA
AC Power - Single Phase
AC - Single Phase HP
AC - Single Phase KVA
AC - Single-Phase KW
Basic Circuits
Capacitance
DC Power
DC - HP
DC - Power KW
Impedance
Impedance, Resistance and Reactance
Impedance, Resistance, Inductive Reactance and Capacitive Reactance
Impedance, Volts and Amperes
Ohm's Law
Ohm's Law - Amps, Volts & Ohms
Ohm's Law - Amps, Watts & Ohms
Ohm's Law - Amps, Watts & Volts
Ohm's Law - Watts, Volts & Ohms
Reactance
Capacitive Reactance, Frequency and Capacitance
Inductive Reactance, Frequency and Inductance
Temperature
Celsius or Fahrenheit
Transformers
Apparent Power (Voltamperes) in Three-Phase Transformers
Real (True) Power in Three-Phase Transformers
Transformer Turns Ratio - Current and Turns
Transformer Turns Ratio - Volts and Current
Transformer Turns Ratio - Volts and Turns
Voltage Drop
Voltage Drop - Single phase Aluminum 75C
Voltage Drop - Single phase Copper 75C
Voltage Drop - Single phase, with Known Resistance
Voltage Drop - Three phase Aluminum 75C
Voltage Drop - Three phase Copper 75C
Voltage Drop - Three phase, with Known Resistance
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Impedance
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Impedance, Resistance, Inductive Reactance and Capacitive Reactance
Impedance, Resistance, Inductive Reactance and Capacitive Reactance
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Equation
Overview
Short
Long
Input 3 of 4 variables to solve for the unknown.
Help
Symbol
Variable
Input
Units
Z
Impedance
ohms
R
Ohms
ohms
XL
Inductive Reactance
ohms
XC
Capacitive Reactance
ohms
Reset
See also
Calculations
Impedance, Resistance and Reactance
Inductive Reactance, Frequency and Inductance
Capacitive Reactance, Frequency and Capacitance
Tables
Alternating current resistance and reactance for 600 volt cables
Transformer Impedance Factors
Definitions
Reactance
Capacitive Reactance
Inductive Reactance
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