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Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Electric Vehicles

As an electric current is passed through a coil of wire, it creates a…

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

Single-phase Induction Motors

Textbook

A three-phase motor may be run from a single-phase power source.…

Induction Motor, Large

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF 120VAC…

Other Specialized Motors

Textbook

Shaded Pole Induction Motor An easy way to provide starting torque to…

Stepper Motors

Textbook

A stepper motor is a “digital” version of the electric…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Reluctance Motor

Textbook

The variable reluctance motor is based on the principle that an…

Servo Motor Systems

Worksheets - Electric Vehicles

Explain the operation of this “H-bridge” motor control circuit: At…

Rectifier Circuits

Worksheets - Electric Vehicles

Don’t just sit there! Build something!! Learning to mathematically…

DC Motor Theory

Worksheets - Electric Vehicles

If the ends of a wire loop are attached to two half-circular metal…

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Polyphase Motor Design

Textbook

AC Motors Perhaps the most important benefit of polyphase AC power…

Bipolar Junction Transistors as Switches

Worksheets - Electric Vehicles

Solid-state switching circuits usually keep their constituent…

AC Generator Theory

Worksheets - Electric Vehicles

If an electric current is passed through this wire, which direction…

Stepper Motor Calculator

Tools

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor

Design Project: Stepper Motor Driver

Worksheets - Electric Vehicles

At first it may seem pointless to have the four buffer gates following…

DC Generator Theory

Worksheets - Electric Vehicles

Generators used in battery-charging systems must be regulated so as to…

Flyback Switch Mode Regulator Calculator

Tools

A calculator for computing several parameters needed in the design of a flyback switch mode regulator

Series Batteries

Textbook

PARTS AND MATERIALS Two 6-volt batteries One 9-volt battery Actually,…

Ohm’s Law (again!)

Textbook

A common phrase heard in reference to electrical safety goes something…

Inductors

Textbook

Permeability and Saturation

Textbook

The nonlinearity of material permeability may be graphed for better…

Electrical Noise and Interference

Worksheets - Electric Vehicles

Define what noise means, in the electrical sense of the word. How does…

Edge Coupled Trace Inductance Calculator

Tools

This calculator helps you compute for the inductance of an edge coupled trace.

The “Buffer” Gate

Textbook

If we were to connect two inverter gates together so that the output…

Stepper Motor Calculator

Tools

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor

Trigonometry for AC Circuits

Worksheets - Electric Vehicles

Identify which trigonometric functions (sine, cosine, or tangent) are…

Analog and Digital Signals

Textbook

Instrumentation is a field of study and work centering on measurement…

SPICE Quirks

Textbook

“Garbage in, garbage out.” —Anonymous SPICE is a very reliable…

CMOS 555 Long Duration Blue LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Parallel Resistor-Inductor Circuits

Textbook

Let’s take the same components for our series example circuit…

Ohmmeter Design

Textbook

Though mechanical ohmmeter (resistance meter) designs are rarely used…

Parallel Batteries

Textbook

PARTS AND MATERIALS Four 6-volt batteries 12-volt light bulb, 25 or…

Waveform Analysis

Textbook

PARTS AND MATERIALS IBM-compatible personal computer with sound card,…

DC Metrology

Worksheets - Electric Vehicles

Define the following metrological terms: • Uncertainty • Accuracy…

Finite State Machines

Textbook

Up to now, every circuit that was presented was a combinatorial…

Basic Voltmeter Use

Worksheets - Electric Vehicles

What will this voltmeter register when connected to a battery as shown…

Resistance

Textbook

The circuit in the previous section is not a very practical one. In…