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Electrical Power Equipment
Highest Rated
Rating: 4.7 out of 5(1,514 ratings)
5,793 students

Electrical Power Equipment

Learn how electrical equipments operate and how they fit together into a network
Highest Rated
Created byStephen Brooks
Last updated 7/2020
English

What you'll learn

  • Understand why the electrical power network looks the way it does
  • Know all about the equipment used in the power network
  • Be able to design a basic electrical power network
  • Understand electrical clearances and how they are used to design equipments
  • Know how to calculate output voltages and currents using the transformer turns ratio
  • Know how electrical discrimination works and how it clears the fault by keeping the healthy electrical system connected
  • Know the difference between insulators and conductors
  • Understand how the circuit breaker types change as the voltages and currents increase
  • Understand how a transmission overhead line is designed using electrical clearances
  • Know how electrical power cables are designed, constructed and installed
  • Understand how the low voltage system in a house is connected
  • Identify the difference between grounded and ungrounded systems
  • Know the difference between touch potentials and step potentials

Course content

1 section • 9 lectures • 2h 17m total length

  • Introduction3:38
  • Conductors & Insulators18:12

    Understanding Conductors & insulators is a key building block in comprehending how all of the main electrical power equipments are designed and operated.

    This course explains the differences between conductors and insulators, and shows the common materials used in the electrical power industry.

    We then look at some of the issues that designers face when using conductors and insulators, including how electrical clearances work and how tracking related problems are resolved.

  • Circuit Breakers16:55

    Circuit breakers are vital to the electrical power network and allow us to operate it in a safe and flexible manner.

    In this lecture we look in detail at how they operate and see how the circuit breaker types change as the voltage and currents increase.

    We then introduce the idea of electrical discrimination and how circuit breakers are formed into a network that is flexible and responsive to electrical faults.

  • Grounding16:17

    Grounding systems are essential to providing an electrical power network that is safe for personnel and equipment.

    We start by comparing ungrounded and grounded system before looking at how the dangers associated with touch and step potentials are dealt with in distribution and transmission substations.

  • Network Design19:24

    In this section we look at how electrical networks are designed to provide a flexible and reliable supply to the customers.

    We start by looking at ring and radial systems before examining in detail how we use ring systems in the distribution and transmission networks that we come across everyday.

  • Low Voltage Systems14:44

    In this lecture we look at how low voltage systems are designed and operated.

    We start by looking at domestic electrical systems and how a consumer unit is assembled and wired, and then go through all the low voltage circuit types that you find in a typical LV network including socket and lighting systems,

  • Electrical Cables18:15

    Electrical cables are used to take electricity from the source to the load.

    In this lecture we look at how electrical cables are designed, constructed and installed.

  • Overhead Lines15:30

    Overhead lines take bulk power from the source to the load centers, often over many hundreds of kilometers.

    In this lecture we look at how the overhead lines are designed to take into account electrical clearances and go through all of the basic elements of transmission systems.

    We then go on to look at the different tower types before examining the insulators and conductors that go into a typical transmission tower.

  • Transformers14:49

    Transformers are a key element in the electrical power network.

    In this lecture we introduce the basic theories associated with transformers and how we calculate the input and output voltages that are generated by the transformer using the transformer turns ratio.

    We finish by showing some examples of how a transformer is used in the electrical power network

Requirements

  • Completion of the electrical power engineering principles course
  • You should be familiar with basic electrical knowledge of voltage, current & power

Description

Electrical utilities around the world generate and transmit electrical energy that we all use for our everyday lives.

This course starts off covering some basic subjects which are needed so that you can understand how the electrical power equipment's are designed, operated and installed.

We then go on to study all of the main equipment's that go in to an electrical power system, before finally seeing how the power network itself is designed and operated.

The course consists of the following sections :-

  • CONDUCTORS AND INSULATORS
  • CIRCUIT BREAKERS
  • GROUNDING
  • NETWORK DESIGN
  • LOW VOLTAGE SYSTEMS
  • ELECTRICAL CABLES
  • OVERHEAD LINES
  • TRANSFORMERS

At the end of the course you will understand all of the main elements within a power utilities network and understand how they operate together as one seamless system.

Who this course is for:

  • This course is suitable for anyone interested in learning about the electrical power networks that are used throughout the world
  • Electrical engineering graduates who are interested in getting some practical experience on how an electrical power network operates

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