Brushless DC motors were developed from conventional brushed DC motors…
Most students of electricity begin their study with what is known as…
Read the following quotation, and then research the term…
The interlock contacts installed in the previous section’s motor…
Pulse Width Modulation (PWM) uses digital signals to control power…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
After the introduction of the DC electrical distribution system by…
Project Parts and Materials Automotive alternator (one required, but…
Shaded Pole Induction Motor An easy way to provide starting torque to…
Single Phase Synchronous Motors Single-phase synchronous motors are…
Charles Proteus Steinmetz’s first job after arriving in America…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
If the ends of a wire loop are attached to two half-circular metal…
A three-phase motor may be run from a single-phase power source.…
Don’t just sit there! Build something!! Learning to analyze digital…
Don’t just sit there! Build something!! Learning to analyze digital…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
The variable reluctance motor is based on the principle that an…
Calculate the voltage output by the secondary winding of a transformer…
Explain the operation of this “H-bridge” motor control circuit: At…
Just as devices have been made to measure certain physical quantities…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
After applying some of the general troubleshooting tips to narrow the…
As was mentioned before, the angle of this “power…
Ohm’s Law also makes intuitive sense if you apply it to the…
The fourth example has A partially overlapping B. Though, we will…
A popular use of diodes is for the mitigation of inductive…
A handy tool for reading resistor color code values
It should be common-sense knowledge that liquids flow through…
Digital computers communicate with external devices through ports:…
Complementary Output Gates It is sometimes desirable to have a logic…
Parts and Materials Multimeter, digital or analog Assorted resistors…
PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…
In an ideal case, an inductor acts as a purely reactive device. That…
Don’t just sit there! Build something!! Learning to mathematically…
When capacitors are connected in series, the total capacitance is…
This calculator determines the resistance of a microstrip trace
PARTS AND MATERIALS IBM-compatible personal computer with sound card,…
What Is an Instrumentation Amplifier? An instrumentation amplifier…
Normally, the rotor windings of a wound rotor induction motor are…
As was stated earlier, most meter movements are sensitive devices.…
