Solid-state switching circuits usually keep their constituent…
The armature windings of your DC motor will have very low resistance.…
The variable reluctance motor is based on the principle that an…
Normally, the rotor windings of a wound rotor induction motor are…
Brushless DC motors were developed from conventional brushed DC motors…
Calculate the voltage output by the secondary winding of a transformer…
Charles Proteus Steinmetz’s first job after arriving in America…
With this lesson, I hope to avoid a common mistake found in…
Most AC motors are induction motors. Induction motors are favored due…
A three-phase motor may be run from a single-phase power source.…
PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…
Don’t just sit there! Build something!! Learning to analyze digital…
A stepper motor is a “digital” version of the electric…
After the introduction of the DC electrical distribution system by…
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
The SPICE circuit simulation program provides for modeling diodes in…
The interlock contacts installed in the previous section’s motor…
AC Motors Perhaps the most important benefit of polyphase AC power…
Single Phase Synchronous Motors Single-phase synchronous motors are…
As an electric current is passed through a coil of wire, it creates a…
Counting practice: count from zero to thirty-one in binary, octal, and…
Shown here is a simplified representation of an atom: the smallest…
PARTS AND MATERIALS One N-channel junction field-effect transistor,…
Sometimes it is necessary to determine the length of time that a…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
When an alternator produces AC voltage, the voltage switches polarity…
Tables of specific resistance and temperature coefficient of…
So far we have been finding Sum-Of-Product (SOP) solutions to logic…
The SPICE (Simulation Program, Integrated Circuit Emphesis)…
A right triangle is defined as having one angle precisely equal to…
Specific resistance at 20o C: Material Element/Alloy (ohm-cmil/ft)…
The half-adder is extremely useful until you want to add more that…
The circuit in the previous section is not a very practical one. In…
The Use of Logic Gate Inverters and buffers exhaust the possibilities…
An electromechanical generator is a device capable of producing…
This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.
PARTS AND MATERIALS Two 6-volt batteries Carbon pencil “lead” for…
