INDUSTRIAL ELECTRICITY
Listed below are all the courses offered in Industrial Electricity. All are 1 hour classes and all are $25 each.
Brief Course Descriptions:
401-01 Electron Theory
When you complete this lesson, you will be able to discuss basic electron theory and explain how the interaction between electrons
and protons of atoms creates electrical energy. You will also be able to identify the factors that affect the movement of electrons,
and explain how these factors are measured.
401-02 Magnetism and Electromagnetism Explained
When you complete this lesson, you will be able to describe the basic principles of magnetism.
401-03 Ohm’s and Kirchoff’s Laws Relating to DC Circuits
When you complete this lesson, you will be able to describe Ohm’s law, the basic formula for finding power (in watts), and Kirchoff’s
first and second laws as they relate to DC circuits.
401-04 Evaluating Series and Parallel DC Circuit Performance
When you complete this lesson, you will be able to describe how current, voltage, resistance, and power flow through series and
parallel DC circuits. You will also be able to calculate values of current, voltage, resistance, and power flow in DC series and
parallel circuits. Finally, you will be able to explain some techniques for evaluating DC circuit performance.
401-05 Determine Circuit Outputs from Specified Inputs
When you complete this lesson, you will be able to use formulas to compute DC series and parallel circuit outputs based on the
known inputs.
402-01 Introduction to Alternating Current
When you complete this lesson, you will be able to explain the differences between AC power and DC power, define terminology
relating to graphing AC power, and explain what is mean by effective values of AC power.
You will also be able to describe the common production of AC power and define terminology regarding the characteristics of AC
power.
402-02 Ohm’s and Kirchoff’s Laws Involving AC Circuits
When you complete this lesson, you will be able to explain the differences between AC power and DC power, define terminology
relating to graphing AC power, and explain what is mean by effective values of AC power.
You will also be able to describe the common production of AC power and define terminology regarding the characteristics of AC
power.
402-02 Ohm’s and Kirchoff’s Laws Involving AC Circuits
When you complete this lesson, you will be able to describe the design and function of several different types of AC induction
motors.
409-01 Induction Motors
When you complete this lesson, you will be able to describe the design and function of several different types of AC induction
motors.
409-02 AC Generators
When you complete this lesson, you will understand how an AC generator produces an AC voltage.
409-03 AC Induction Motor Theory
When you complete this lesson, you will be able to describe how an electric AC motor uses the principles of magnetism and
magnetic fields to convert electrical energy into mechanical energy.
409-04 Troubleshooting AC Induction Motors
When you complete this lesson, you will be able to discuss procedures for effective troubleshooting of AC induction motors.
409-05 AC Induction Motor Maintenance
When you complete this lesson, you will be able to describe and demonstrate how the superposition, Thevenin’s, and Norton’s
theorems can be used to simplify computations for complex AC circuits.
409-06 Overhauling Induction Motors
When you complete this lesson, you will be able to describe each of the steps taken to overhaul an induction motor.
409-07 Generator Systems
When you complete the lesson, you will be able to describe the design and function of generator systems.
409-08 Generator Overhaul
When you complete this lesson, you will be able to discuss the steps taken in shutting down and preparing a generator for
maintenance. In addition, you will be able to describe what to look for when disassembling a generator.
411-01 Introduction to Motor Controls
When you complete this lesson, you should be able to draw a simple motor control circuit and describe its applications of ladder
logic.
411-02 Motor Protection and Fault Diagnosis
When you complete this lesson, you will able to explain the difference between an overload and a short circuit fault. In addition, you
will be able to select the proper over-current and short circuit protection devices for motor branch circuits.
411-03 Motor Control Troubleshooting
When you complete this lesson, you will understand the basics of troubleshooting motor control circuits.
413-01 AC Drives Overview
When you complete this lesson, you will understand the basic design and use of AC drives.
415-01 Transformer Basic Operation and Theory
When you complete this lesson, you will be able to explain magnetism and electromagnetism and to explain the basic principles of
electrical voltage transformation.
415-02 Transformer Design and Components
When you complete this lesson you will be able to visually identify the type of core construction in a transformer, describe types of
transformer cooling, temperature limits, and external devices.
415-03 Transformer Connections
When you complete this lesson, you will be able to identify and explain how to make the most common types of connections for
single-phase and three-phase transformers. You will be able to calculate the value of phase voltage and current, as well as line
voltage and current.
415-04 Special Transformers
When you complete this lesson, you will be able to identify the various types of special transformers and describe how they are
used.
417-01 Switchgear
When you complete this lesson, you will be able to describe the function and operation of switchgear. You will be able to identify the
equipment that makes up a switchgear system and describe the purpose of protection relays.
417-02 Low Voltage Breakers
When you complete this lesson, you will understand the purpose and use of low voltage circuit breakers in electrical circuits.
419-01 MOV (Motor Operated Valve) Application and Construction
When you complete this lesson, you will be able to describe typical components, uses, and operations of motor operated valve
actuators.
419-02 MOV (Motor Operated Valve) Disassembly and Inspection
When you complete this lesson, you will be able to explain how to disassemble, inspect, and reassemble a Limitorque
® SMB-00/000 MOV actuator.
419-03 MOV (Motor Operated Valve) Disassembly and Inspection, Part 2
When you complete this lesson, you will be able to describe the reassembly techniques applied to the SMB-00/000 Limitorque®
MOV.
419-04 Limit Switch Adjustment
When you complete this lesson, you will be able to explain the process of adjusting the limit switch for a Limitorque® actuator.
421-01 Wire and Cable Management
When you complete this lesson, you will be able to determine how to place your wire and cable in the conduit and cable tray.
421-02 Terminating and Connecting Wires in a Control Panel
When you complete this lesson you will be able to explain the basic steps to wire a control panel.
421-03 Making Connections in a Junction Box
When you complete this lesson, you will be able to explain how to make connections and terminations in a junction box using
several systems.
423-01 Introduction to Medium Voltage Cable
When you complete this lesson, you will be able to identify the components of medium voltage cable and why each is needed.
423-02 Medium Voltage Splices and Terminations
When you complete this lesson, you will know the steps needed to splice and terminate medium voltage cable.
industrial electricity and direct current, alternating current, power quality, motor control, transformers, switchgear maintenance, connections, terminations and high voltage online classes
Industrial Tech/Industrial Electricity Category
Industrial electricity has a comprehensive list of courses covering many areas. You may choose to take classes in any of the following areas:
Direct currentAlternating currentElectron theoryPower qualityMotors and motor controlTransformersSwitchgears.....and many moreEveryone working with electrical equipment, even if you just use a multi-meter to take simple voltage readings, should have some of these classes.
Students will gain the needed skills and knowledge required to do their job right.
Learn Industrial Electricity fast and easy from people who have done the work!
About Electricity
The ubiquitous energy that powers the world is created through the conversion of other energy resources.
Introduction
U.S. Resources
U.S. Demand
World Resources
World Demand
Introduction
Electricity is the flow of electrons (negatively charged particles) through a conductor. While electricity exists in nature, it is the electric power that is generated by human effort that makes our modern life possible. In the future, the majority of the world's electricity may be produced by solar cells or nuclear fusion. Until then (and then could be a long time in coming), America and the rest of the world will get its electricity primarily through the combustion of hydrocarbon fuels (coal, oil, natural gas), nuclear fission, and from renewable resources (hydro, geothermal, wind, biomass, and solar).
U.S. Resources
The electric power system in the United States is the largest in the world. In fact, with over 800,000 MWe of installed capacity, America has more than twice the generating capacity of China, our nearest competitor. According to the Energy Information Administration (EIA), the electricity generated in America in 2002 came from the following sources:
Coal 50%
Nuclear 20%
Natural Gas 18%
Hydro 07%
Other 05%
The precise "mix" of resources utilized in the generation of electricity changes from year-to-year, depending upon public policies and market factors. For example, as a result of stricter air pollution regulations, most new electrical generating capacity installed in the United States in recent years have been designed to use natural gas, a clean-burning fuel. An unanticipated consequence of the switch to natural gas has been to substantially increase demand for that fuel. Thus, the price of natural gas has reached a level where other clean sources of electricity -- such as coal gasification and renewables -- are receiving heightened interest by utility decision-makers and government officials.
U.S. Demand
Electricity is consumed in great quantity by every sector of the American economy -- industrial, commercial, and residential. Statistics about electricity consumption compiled in 2002 by the EIA showed the following breakdown:
Residential 36%
Commercial 32%
Industrial 29%
Other 03%
The EIA predicts that total electricity demand will grow by 1.8% to 1.9% percent per year through 2025. To keep pace with this demand and to replace aging facilities, the United States must add nearly 400,000 MWe of new capacity over the next 20 years.
World Resources
The precise mixture of energy sources used to generate electricity around the world changes over time. The EIA makes the following interesting observations and predictions:
Coal is projected to continue to retain the largest market share of electricity generation, but its importance is expected to be diminished somewhat by the rise in natural gas use. In 2025, coal is expected to account for 31 percent of the world’s electricity fuel market, slightly lower than its 34 percent share in 2001.
Continued increases in the use of natural gas for electricity generation are expected worldwide. ( Examples )
Renewable energy, predominantly hydropower, accounted for one-fifth of the world’s energy use for electricity generation in 2001, where it is expected to remain through 2025.
The nuclear share of energy use for electricity production is expected to decline in most regions of the world as a result of public opposition, waste disposal issues, concerns about nuclear arms proliferation, and the economics of nuclear power. The nuclear share of electricity generation worldwide is projected to drop to 12 percent in 2025 from 19 percent in 2001.
The role of oil in the world’s electricity generation market has been on the decline since the 1979 oil price shock. Oil accounted for 23 percent of electricity fuel use in 1977; in 2001 its share stood at 7 percent. The oil share of world energy use for electricity production is projected to remain stable at between 6 and 7 percent through 2025.
World Demand
Worldwide net electricity consumption in 2001 was estimated to be 13.9 trillion kilowatt-hours. If global electricity demand grows at the average annual rate of 2.4 percent predicted by the EIA, 24.7 trillion kilowatt-hours would be consumed in 2025. However, the global average rate will be exceeded in countries with rapidly expanding economies.
China's electricity consumption, for example, is projected to nearly triple over the next two decades, growing by an average of 4.3 percent per year.
AC power
From Wikipedia, the free encyclopedia
This article deals with power in AC systems. See Mains electricity for information on utility-supplied AC power.
Usually hidden from the unaided eye, the blinking of (non-incandescent) lighting powered by AC mains is revealed in this motion-blurred long exposure of city lights. Light is emitted twice each cycle.Power is defined as the rate of flow of energy past a given point[citation needed]. In alternating current circuits, energy storage elements such as inductance and capacitance may result in periodic reversals of the direction of energy flow. The portion of power flow that, averaged over a complete cycle of the AC waveform, results in net transfer of energy in one direction is known as real power. On the other hand, the portion of power flow due to stored energy, which returns to the source in each cycle, is known as reactive power.
industrial electricity and direct current, alternating current, power quality, motor control, transformers, switchgear maintenance, connections, terminations and high voltage online classes
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