After the introduction of the DC electrical distribution system by…
Explain the operation of this “H-bridge” motor control circuit: At…
Just as devices have been made to measure certain physical quantities…
Generators used in battery-charging systems must be regulated so as to…
Normally, the rotor windings of a wound rotor induction motor are…
Stepper Motor vs Servo Motor A stepper motor is a…
Electromechanical watt-hour meters use an aluminum disk that is spun…
Most AC motors are induction motors. Induction motors are favored due…
If an electric current is passed through this wire, which direction…
A three-phase motor may be run from a single-phase power source.…
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 students of electricity begin their study with what is known as…
The variable reluctance motor is based on the principle that an…
Brushless DC motors were developed from conventional brushed DC motors…
Single Phase Synchronous Motors Single-phase synchronous motors are…
Most students of electricity begin their study with what is known as…
The armature windings of your DC motor will have very low resistance.…
Don’t just sit there! Build something!! Learning to mathematically…
A very useful tool for observing rotating objects is a strobe light.…
Stepper Motor vs Servo Motor A stepper motor is a…
If an electric current is passed through this wire, which direction…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
It is sometimes said regarding electrical safety that, Ït’s not the…
After the introduction of the DC electrical distribution system by…
Project Parts and Materials Automotive alternator (one required, but…
Most AC motors are induction motors. Induction motors are favored due…
All About Contactors When a relay is used to switch a large amount of…
Single Phase Synchronous Motors Single-phase synchronous motors are…
How is it possible to electrically measure the torque output by a…
Calculate the voltage output by the secondary winding of a transformer…
Read the following quotation, and then research the term…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
Solid-state switching circuits usually keep their constituent…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
Practical Benefit of Active Devices The practical benefit of active…
The SPICE (Simulation Program, Integrated Circuit Emphesis)…
Radio waves are comprised of oscillating electric and magnetic fields,…
Protective relays are special power-sensing devices whose job it is to…
Let’s take the following example circuit and analyze it: …
Three-phase Wye(Y) Connection Initially, we explored the idea of…
Don’t just sit there! Build something!! Learning to analyze digital…
Because of their insulated gates, IGFETs of all types have extremely…
What Is an Instrumentation Amplifier? An instrumentation amplifier…
Single phase power system schematic diagram shows little about the…
A modern method of electrical power control involves inserting a…
Whenever there is a mismatch of impedance between transmission line…
Quantum physics describes the states of electrons in an atom according…
Feedback is a fascinating engineering principle. It can turn a rather…
The bipolar junction transistor (BJT) was named because its operation…
The Maximum Power Transfer Theorem is not so much a means of analysis…
Don’t just sit there! Build something!! Learning to mathematically…
Another variation on a theme of bistable multivibrators is the J-K…
What are Simultaneous Equations and Systems of Equations? The terms…
