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Transformers, Electrical Machines and Motor Control

17 resources created by 15 users

This GoConqr page gathers over 81 community-made resources on Transformers, Electrical Machines and Motor Control: quizzes, mind maps, flashcards and notes to revise and practise with.

Top Transformers, Electrical Machines and Motor Control resources

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More Electrical and electronic engineering topics

About Transformers, Electrical Machines and Motor Control

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What the page covers

The resources fall into three broad groups: transformers, generators and motors with their control. Each group has mind maps, quizzes and flashcards made by GoConqr users.

  • Transformers: the note Transformer - created from Mind Map describes a static device that interchanges energy between magnetically coupled circuits, and lists specifications, ratings, design, equations and types. There are also maps on Classification of electrical transformers and on PARALLEL OPERATION OF TRANSFORMER.
  • Generators: several Generators mind maps cover basic construction, the field yoke, pole cores, armature, air gap, brushes and the commutator, and how a wire loop turning in a magnetic field induces voltage.
  • Motors and control: maps include DC MOTORS, 3 phase IM, Brushless DC Motor, Starters and Electric Motor Drive Selection, along with several on forward and reverse motion.

Where to start

Begin with the Transformer note, then open the Generators maps to see how construction links to output. Next, read DC MOTORS and Type of Motors before moving on to Starters and the drive topics.

Using quizzes and maps together

Read a map first, then test yourself. The Range of electrical equipment quiz asks you to work out a secondary current from a 600-turn input winding and a 150-turn output winding, a good check on turns ratios. The DC Motors quiz asks about laminations and what lets a motor turn continuously in one direction. The D.C. Generators and DC Machinery quizzes extend this, and the VFD quiz and AC Motors quiz take you towards drives. Flashcard decks such as Operation of Transformers (Mod.5 Sect.4 Part 1) and Types of Transformers (Mod.5 Sect.4 Part 3) suit short bursts of recall. Wrong answers show you which map to reread.

Where this unit sits

This unit belongs to the Electrical Power and Energy strand of Electrical and electronic engineering. It links the power side of the subject to the machines that convert it.

When you are ready, choose one map, take the matching quiz, then make your own flashcards from what you missed.

Frequently asked questions

Which resource should I open first?

Start with the Transformer note, which sets out what a transformer does, its ratings and its types. Then try the Range of electrical equipment quiz, which includes a turns-ratio question. After that, move to the Generators mind maps and the DC Motors quiz.

What do the mind maps cover?

The maps cover generator construction, DC and AC motors, transformer classification and parallel operation, starters, brushless DC motors and motor drive selection. Several maps also deal with forward and reverse motion. There are over 40 in total, so you can compare different users' approaches.

Are the resources free to use?

Yes. Every resource listed here is free to open, study and take, with no account needed. A free account also saves your quiz scores and lets you make your own quizzes, mind maps, flashcards and notes.

Who made these resources?

They were made by GoConqr users, not by GoConqr itself. More than 60 contributors have added material here. Because the work is community-made, it is worth comparing a quiz or map against your own course notes.

Which levels are these resources for?

Most are aimed at university students and professional candidates, with teachers able to use them as ready-made material. A smaller share suits school students. Quizzes such as AC Motors and Electrical Machines and drives suit later study.

What if the topic I need is missing?

Check the mind maps and flashcard decks, as a topic may sit under a differently named resource, such as Rotating Machines or Motors. If it is still absent, you can build your own map, quiz or flashcards once you have a free account.

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