Tech Volt Lab Automation | PLC | SCADA | Electrical | Electronics

A Load Calculator estimates connected electrical load, demand load, current, real power, and apparent power from the values entered by the user. It is useful for electricians, electrical engineers, automation technicians, panel builders, maintenance teams, and students working with DC, single-phase, or three-phase electrical systems. Electrical load calculations help users …

An Energy Cost Calculator estimates how much electrical energy an appliance, motor, machine, or group of loads consumes and what that energy may cost. Electricians, engineers, maintenance technicians, facility managers, business owners, and homeowners can use it to calculate daily, monthly, or annual electricity consumption from power, operating time, quantity, …

A Power Factor Calculator determines power factor, real power, apparent power, reactive power, phase angle, line current, or the reactive compensation required to improve an AC electrical system. Electricians, engineers, panel builders, maintenance technicians, automation professionals, and students can use it for single-phase and three-phase calculations. Power factor affects the …

A Torque Calculator helps engineers, electricians, machine designers, maintenance technicians, automation professionals, and students calculate the turning force produced by a motor, shaft, gearbox, lever, pulley, or rotating drum. Depending on the selected method, torque can be calculated from force and radius or from mechanical power and rotational speed. Torque …

A Battery Backup Calculator helps electricians, engineers, solar installers, UPS technicians, automation professionals, and students estimate how long a battery can operate a connected load. It can also calculate the battery capacity required to achieve a specified backup duration. Battery runtime depends on more than voltage and amp-hour capacity. Load …

An RPM Calculator helps engineers, electricians, maintenance technicians, machine designers, PLC programmers, and students calculate the rotational speed of motors, shafts, pulleys, gears, rollers, and other rotating components. RPM means revolutions per minute and describes how many complete rotations an object makes in one minute. Rotational speed affects machine output, …

An LED Resistor Calculator helps electronics technicians, electrical engineers, automation professionals, students, and hobbyists select a suitable current-limiting resistor for an LED circuit. It uses the supply voltage, LED forward voltage, desired forward current, and number of LEDs to calculate the required resistance and minimum resistor power dissipation. A standard …