Electrical Control & Protection Systems part 2

This course introduces electrical control & protection systems which are a critical part of any electrical substation

The aim of this course is to introduce all of the basic principles associated with these complex systems.

What you’ll learn

  • understand all of the key elements & principles of an electrical protection system.
  • Draw what an electrical protection system looks like.
  • Explain how a differential relay operates.
  • Understand the operation of no load and off load tapchangers.
  • Know what alarms a transformer generates.
  • Understand the difference between ONAN, ONAF and OFAF transformer cooling systems.
  • Know how to size a battery.
  • Be able to draw a basic DC system for a substation.
  • Know what circuit breaker failure is.
  • Understand how a circuit breaker auto-reclosure system works.
  • Know how to synchronise a circuit breaker.
  • Understand how a substation SCADA system operates.
  • Know the difference between star and delta windings on a transformer.
  • Understand how the transformer vector group affects the system.

Course Content

  • Electrical Control & Protection Systems Part 2 –> 12 lectures • 2hr 29min.

Electrical Control & Protection Systems part 2

Requirements

  • The basic electrical principles.
  • A basic understanding of electrical engineering.
  • Have a calculator.

The aim of this course is to introduce all of the basic principles associated with these complex systems.

The course will go into detail for the following key topics :-

  • Show how a substation DC systems operated and how the battery is sized
  • Look at the key elements of a circuit breaker protection scheme
  • Introduce the principles behind circuit breaker failure protection and show what action needs to be taken.
  • See how circuit breakers can be re-closed after a fault and outline the systems involved
  • Introduce the principles behind synchronising, show what parameters need to be checked and how the systems operate.
  • Go into detail on the main features of transformers, including vector groups, tapchangers, cooling systems, controls / alarms & protection systems
  • Introduce the basic principles and systems associated with SCADA systems

By the end of the course the student will be able to identify all of  the key components of a protection & control system shown above and understand  how all of these components fit together to create a fully integrated  system.

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