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Teaching GuideTerm Higher Technical University College of Nautical Science and Naval Engines |
| Grao en Tecnoloxías Mariñas |
 Subjects |
| Electrical Machinery On Board |
| Contents |
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| Identifying Data | 2022/23 | |||||||||||||
| Subject | Electrical Machinery On Board | Code | 631G02365 | |||||||||||
| Study programme |
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| Descriptors | Cycle | Period | Year | Type | Credits | |||||||||
| Graduate | 1st four-month period |
Third | Optional | 6 | ||||||||||
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| Topic | Sub-topic |
| General principles of electrical machines | Basics items. Losses and heating. Rated power. Types of service. Operation in special conditions. Performance. F.m.m. and magnetic field in the air gap. Induced voltage. Electromagnetic torque. Types of machines. Maintenance. Constructive aspects. Windings |
| Transformers | Main constructive aspects. Principle of operation. Equivalent circuit. Tests: vacuum and short circuit. Voltage drop in a transformer. Losses and performance. Connection current. Three-phase transformers. Types of connections. Lags. Denomination. Parallel coupling. Autotransformers. Regulation sockets. Measurement and protection transformers. Current transformers. Special transformers |
| Asynchronous or induction machine. | Introduction. Constructive aspects. Operating principle Equivalent circuit. Essays. Power balance. Rotation torque. Start. Speed regulation. Single phase induction motor. Operating principle. Equivalent circuit. Starting of single-phase induction motors |
| Synchronous machines. | Introduction. Constructive aspects. Excitation systems. Principle of operation of an alternator. Phasor diagram of an alternator. Voltage regulation. Linear analysis: equivalent circuit. Nonlinear analysis of the synchronous machine. Operation of an alternator in an isolated network. Coupling an alternator to the network. Operation in a network of infinite power. Synchronous motor: Characteristics and applications. Diagram of operating limits of a synchronous machine |
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