Electrical Calculations

This app contains electrical calculations, electronic calculations, lighting calculations, motor calculations and conversions. Electrical: Calculation of Wire Size Calculation of Voltage Drop Calculation of Voltage Calculation of Current Calculation of Power Calculation of Power Factor Calculation of Resistance Calculation of Impedance Calculation of Reactance Calculation of Impedance (from Resistance and Reactance) Conductor Resistance Maximum Wire Length Sizing the Circuit Breaker Current Carrying Capacity of Insulated Conductors Current Carrying Capacity of Bare Conductors Calculation of Cable Temperature Calculation of Power Losses in Cable Admissible Let-Through Energy of the Cable (K²S²) Short-Circuit Current Min Neutral Current Earthing System Lightning Protection Level Risk Assessment of Overvoltages with Atmospheric Origin Capacitor Power at Different Voltage Power Factor Correction Power Factor Correction of Transformer MV/LV Primary/Secondary Winding of Transformer Electronics: BJT DC Analysis BJT AC Analysis FET DC Analysis FET AC Analysis Filter Calculator Op-Amp Calculator NE555 Calculator Voltage Regulator Calculator Voltage Divider Current Divider Resonant Frequency Wheatstone Bridge Zener Diode as Voltage Stabiliser Resistance to Reduce Voltage Resistance for LED Battery Life UPS Battery Size and Runtime Temperature Sensors Antenna Length Basics: Connection of Resistor Connection of Inductor Connection of Capacitor Standard Resistor Values Resistor Color Code Resistor Colors from Value Inductor Color Code SMD Resistor Code Capacitor Code Table of Capacitor Codes Table of Inductor Codes Fuses Color Code Lighting: Calculation of Total Flux Calculation of Luminaires Number Illuminance on the Surface Power Supply for Strip LED Color Codes of Fluorescent Tubes Solar: PV String Sizing Fault Current of Strings Motor: Calculation of Motor Current Calculation of Motor Power Calculation of Motor Power Factor Calculation of Motor Efficiency Calculation of Motor Torque Calculation of Motor RPM Calculation of Motor Slip Motor Power Factor Correction Motor from Three-Phase to Single-Phase Motor Single-Phase Starting Capacitor Motor Voltage Unbalance Motor Current Unbalance Motor Insulation Class Motor Terminals Marking Conversions: Δ-Y (Delta/Star) kWh-Ah Power Voltage Section Trigonometric Angle Angular-Linear Velocity Length Energy Pressure Torque Magnetic Temperature Volume Weight Time Luminance Illuminance Lumens-Lux Lumens-Watts Lumens-Candela Lux-Watts Lux-Candela Lux-Foot Candle Luminance-Exposure Value Illuminance-Exposure Value RGB-CMYK RGB-HEX Kelvin-RGB