Transmission/Distribution Substations 101: Intro

Training overview
Professional Course
Self-paced Online
From 59.90 USD
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59.90 USD
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Course description

In Transmission/Distribution Substations 101: Intro, Design, Equipment, Functionality & Applications, you'll learn ...

  • Types of substations and their functions
  • Major equipment located in substations
  • The relative merits of the three major transmission station designs: ring bus, double ring bus and breaker and half bus type
  • Substation protection equipment, including relays, lightning/surge arrestors, deluge systems and back-up power systems


Credit: 2 PDH

Length: 31 pages

A substation is a part of an electrical generation, transmission, and distribution system. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Between the generating station and consumer, electric power may flow through several substations at different voltage levels.

Substations may be owned and operated by an electrical utility, or may be owned by a large industrial or commercial customer. Generally substations are unattended, relying on SCADA for remote supervision and control.

This course provides an overview of substation design, equipment, functionality and applications. The course is applicable to engineers of all disciplines.

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Certificate of Completion

You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 20 questions. PDH credits are not awarded until the course is completed and quiz is passed.

Training content

This course teaches the following specific knowledge and skills:

  • Functions of substations
  • Important substation equipment
  • How power reaches area stations and the difference between transmission, switching and area stations
  • Layout of a typical (13/4 kV) unit substation
  • Types of switching devices used in substations
  • Common types of power transformers
  • Types of cooling systems used in transformers
  • Basic transformer design calculations
  • The purpose of a phase angle regulator (PAR) in substation design
  • Transformer auxiliary devices
  • The difference between series and shunt reactors
  • How SCADA systems are used in substations for control and monitoring
  • A/C, lighting and power systems for substation auxiliary equipment
  • Substation bus design


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Professional Engineers have trusted PDHengineer to provide high-quality PDH courses since 2003. A large library of PDH courses and live, interactive webinars means that engineers can find PDH course material covering all of the major engineering disciplines. Plus, all PDHengineer...

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7915 FM 1960 West, Suite 130
77070 Houston Texas

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