Single Phase Synchronous Motors Single-phase synchronous motors are…
After the introduction of the DC electrical distribution system by…
Charles Proteus Steinmetz’s first job after arriving in America…
A three-phase motor may be run from a single-phase power source.…
Just as devices have been made to measure certain physical quantities…
Most AC motors are induction motors. Induction motors are favored due…
Generators used in battery-charging systems must be regulated so as to…
Electromechanical watt-hour meters use an aluminum disk that is spun…
If the ends of a wire loop are attached to two half-circular metal…
The variable reluctance motor is based on the principle that an…
Most students of electricity begin their study with what is known as…
Brushless DC motors were developed from conventional brushed DC motors…
Explain the operation of this “H-bridge” motor control circuit: At…
If an electric current is passed through this wire, which direction…
Normally, the rotor windings of a wound rotor induction motor are…
Stepper Motor vs Servo Motor A stepper motor is a…
Most AC motors are induction motors. Induction motors are favored due…
Don’t just sit there! Build something!! Learning to analyze digital…
Stepper Motor vs Servo Motor A stepper motor is a…
Project Parts and Materials Automotive alternator (one required, but…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
AC Motors Perhaps the most important benefit of polyphase AC power…
PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…
Most students of electricity begin their study with what is known as…
Calculate the voltage output by the secondary winding of a transformer…
Just as devices have been made to measure certain physical quantities…
At first it may seem pointless to have the four buffer gates following…
If the ends of a wire loop are attached to two half-circular metal…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
A chandelier has five light bulbs in it, and one of them is not…
The armature windings of your DC motor will have very low resistance.…
Pulse Width Modulation (PWM) uses digital signals to control power…
A three-phase motor may be run from a single-phase power source.…
The interlock contacts installed in the previous section’s motor…
Shaded Pole Induction Motor An easy way to provide starting torque to…
It is sometimes said regarding electrical safety that, Ït’s not the…
The logic simplification examples that we have done so far could have…
What voltage will you choose to use for each of the station batteries?
A multiplexer, abbreviated mux, is a device that has multiple inputs…
Power Capacity As has already been observed, transformers must be well…
Instantaneous Values in AC Circuits Pure resistive AC circuit:…
Similar in thought to the idea of the integrated circuit, tube…
As was mentioned before, the angle of this “power…
It is sometimes desirable to have circuits capable of selectively…
There are three major kinds of power supplies: unregulated (also…
Write the following exponential expressions in expanded form: 101 =…
As an instructor of electronics, I am called upon frequently to help…
With BogusBus, our signals were very simple and straightforward: each…
The singular reason for learning and using the binary numeration…
Centuries ago, it was discovered that certain types of mineral rock…
This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.
One method of addressing the digital ramp ADC’s shortcomings is…
Don’t just sit there! Build something!! Learning to analyze digital…
Parts and Materials Multimeter, digital or analog Assorted resistors…
Another type of mathematical identity, called a “property”…
