Most students of electricity begin their study with what is known as…
After the introduction of the DC electrical distribution system by…
A three-phase motor may be run from a single-phase power source.…
Stepper Motor vs Servo Motor A stepper motor is a…
Explain the operation of this “H-bridge” motor control circuit: At…
Generators used in battery-charging systems must be regulated so as to…
Brushless DC motors were developed from conventional brushed DC motors…
Just as devices have been made to measure certain physical quantities…
If an electric current is passed through this wire, which direction…
Charles Proteus Steinmetz’s first job after arriving in America…
If the ends of a wire loop are attached to two half-circular metal…
Most AC motors are induction motors. Induction motors are favored due…
Electromechanical watt-hour meters use an aluminum disk that is spun…
The variable reluctance motor is based on the principle that an…
Normally, the rotor windings of a wound rotor induction motor are…
Single Phase Synchronous Motors Single-phase synchronous motors are…
All About Contactors When a relay is used to switch a large amount of…
How is it possible to electrically measure the torque output by a…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
Most AC motors are induction motors. Induction motors are favored due…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
Single Phase Synchronous Motors Single-phase synchronous motors are…
Calculate the voltage output by the secondary winding of a transformer…
The armature windings of your DC motor will have very low resistance.…
Project Parts and Materials Automotive alternator (one required, but…
Shaded Pole Induction Motor An easy way to provide starting torque to…
It is sometimes said regarding electrical safety that, Ït’s not the…
Just as devices have been made to measure certain physical quantities…
The interlock contacts installed in the previous section’s motor…
Don’t just sit there! Build something!! Learning to mathematically…
A calculator for computing several parameters needed in the design of a flyback switch mode regulator
Stepper Motor vs Servo Motor A stepper motor is a…
Pulse Width Modulation (PWM) uses digital signals to control power…
A tool designed to convert between units of torque
Read the following quotation, and then research the term…
If the ends of a wire loop are attached to two half-circular metal…
Shown here is a simplified representation of an atom: the smallest…
Standing waves at the resonant frequency points of an open- or…
Since transformers are essentially AC devices, we need to be aware of…
A very important measurement in many liquid chemical processes…
Buses and networks are designed to allow communication to occur…
Series and Parallel Resistances Series and Parallel…
Solve this equation for the value of x: x + 5 = 8 How many exact…
If you’ve used DOS or UNIX operating systems before in a…
Explain the difference between a balanced polyphase system and an…
This chapter explores the response of capacitors and inductors to…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.
The Rules of Binary Addition Adding binary numbers is a very simple…
Consider a circuit for a single-phase AC power system, where a 120…
Ladder diagrams are specialized schematics commonly used to document…
Up to now, every circuit that was presented was a combinatorial…
Many electronic circuits use what is called a split or a dual power…
When a switch is actuated and contacts touch one another under the…
PARTS AND MATERIALS Operational amplifier, model 1458 or 353…
In addition to performing tasks of amplification and switching, tubes…
Don’t just sit there! Build something!! Learning to analyze digital…
