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Questions and Answers
What is the general term for machines using electromagnetic forces in electrical engineering?
What is the general term for machines using electromagnetic forces in electrical engineering?
- Electromechanical converters
- Electromagnetic generators
- Mechanical power converters
- Electric machines (correct)
What do electric generators convert?
What do electric generators convert?
- Electricity to mechanical power
- Mechanical energy to electrical energy (correct)
- Voltage level of an alternating current
- Electrical energy to mechanical energy
Which type of electric machines produce about 95% of all electric power on Earth?
Which type of electric machines produce about 95% of all electric power on Earth?
- Electric motors
- Linear machines
- Synchronous and induction generators (correct)
- Transformers
What is the role of transformers in the context of electric machines?
What is the role of transformers in the context of electric machines?
What is the function of an electric generator analogous to?
What is the function of an electric generator analogous to?
Flashcards
Electric Machines
Electric Machines
Machines that utilize electromagnetic forces to perform various tasks, such as converting energy or producing motion.
Electric Generators
Electric Generators
Devices that convert mechanical energy into electrical energy, using principles of electromagnetic induction.
Primary Electric Power Generators
Primary Electric Power Generators
Rotating electric machines, specifically synchronous and induction generators, account for the vast majority of global electric power generation.
Transformers
Transformers
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Generator Analogy
Generator Analogy
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Study Notes
Electric Machines
- The general term for machines using electromagnetic forces in electrical engineering is electric machines.
Electric Generators
- Electric generators convert mechanical energy into electrical energy.
Electric Power Generation
- About 95% of all electric power on Earth is produced by synchronous machines.
Transformers
- The role of transformers in the context of electric machines is to change the voltage of an alternating current (AC) electrical signal.
Electric Generators Analogy
- The function of an electric generator is analogous to a water pump, where mechanical energy is converted into electrical energy, just as a water pump converts mechanical energy into hydraulic energy.
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