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…
Single Phase Synchronous Motors Single-phase synchronous motors are…
After the introduction of the DC electrical distribution system by…
The variable reluctance motor is based on the principle that an…
Most students of electricity begin their study with what is known as…
If an electric current is passed through this wire, which direction…
Charles Proteus Steinmetz’s first job after arriving in America…
Brushless DC motors were developed from conventional brushed DC motors…
Stepper Motor vs Servo Motor A stepper motor is a…
Electromechanical watt-hour meters use an aluminum disk that is spun…
Explain the operation of this “H-bridge” motor control circuit: At…
If the ends of a wire loop are attached to two half-circular metal…
Normally, the rotor windings of a wound rotor induction motor are…
Don’t just sit there! Build something!! Learning to analyze digital…
Explain the operation of this “H-bridge” motor control circuit: At…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
Normally, the rotor windings of a wound rotor induction motor are…
Most students of electricity begin their study with what is known as…
Don’t just sit there! Build something!! Learning to mathematically…
Solid-state switching circuits usually keep their constituent…
AC Motors Perhaps the most important benefit of polyphase AC power…
How is it possible to electrically measure the torque output by a…
Most AC motors are induction motors. Induction motors are favored due…
As an electric current is passed through a coil of wire, it creates a…
A wound rotor induction motor has a stator like a squirrel cage…
The interlock contacts installed in the previous section’s motor…
A tool designed to convert between units of torque
Project Parts and Materials Automotive alternator (one required, but…
Just as devices have been made to measure certain physical quantities…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
Don’t just sit there! Build something!! Learning to mathematically…
A very useful tool for observing rotating objects is a strobe light.…
At first it may seem pointless to have the four buffer gates following…
PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…
The word battery simply means a group of similar components. In…
The Mesh-Current Method, also known as the Loop Current Method, is…
The “vocabulary” of instructions which any particular…
The Rules of Binary Addition Adding binary numbers is a very simple…
Don’t just sit there! Build something!! Learning to mathematically…
Calculate the total resistance of resistors in parallel with ease!
This calculator helps determine the maximum temperature a device can withstand
Cathode: This is the electrode that is heated and emits the…
PARTS AND MATERIALS Multimeter, digital or analog Assorted batteries…
PARTS AND MATERIALS Two 6-volt batteries One NPN…
PARTS AND MATERIALS 555 timer IC (Radio Shack catalog # 276-1723) One…
Certain substances are known to physically deform (shorten or…
PARTS AND MATERIALS Sensitive meter movement (Radio Shack catalog #…
A calculator designed to compute the power-added efficiency (PAE) of an amplifier
Don’t just sit there! Build something!! Learning to mathematically…
So far, the phenomenon of resonance appears to be a useless curiosity,…
Don’t just sit there! Build something!! Learning to analyze digital…
