A tantárgyleírás hatályossága
| Subject name (Hungarian, English) |
Elektrotechnika
Electrotechnics
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| Subject code | BMEVIVEAB00 | ||||||||||||
| Subject type | — | ||||||||||||
| Training Level | — | ||||||||||||
| Course types and hours (weekly/semester) |
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| Assessment type | félévközi érdemjegy | ||||||||||||
| Credits | 5 | ||||||||||||
| Subject coordinator |
DR. Veszprémi Károly
position: egyetemi tanár
contact:
veszpremi.karoly@vik.bme.hu
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| Responsible department |
Villamos Energetika Tanszék
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| Faculty | Villamosmérnöki és Informatikai Kar | ||||||||||||
| Subject website | — | ||||||||||||
| Primary curriculum type | — | ||||||||||||
| Direct prerequisites – Strong prerequisite | none | ||||||||||||
| Direct prerequisites – Weak prerequisite | none | ||||||||||||
| Direct prerequisites – Parallel prerequisite | none | ||||||||||||
| Direct prerequisites – Milestone prerequisite | none | ||||||||||||
| Direct prerequisites – Exclusion | none |
Objectives
Basic things about Electritechnics:
History. Electricity as energy carrier. AC, DC Current systems.
Multiphase systems.
Practical circuit calculation methods
Definition of the active, reactive power in single phase and 3-phase
systems. Calculations with instantaneous values and phasors. Positive
directions. Definition of the power sign. Y-D conversion. Nominal values.
Per-unit system.
Practical calculation methods of energy converters
Calculation methods of magnetic circuits. Symmetrical components method.
Three-phase vectors.
Transformers
Magnetic materials. Hysteresis and eddy-current losses. Induced voltage.
Excitation balance law. Equivalent circuit and its parameters. Phasor diagram.
No-load and short-circuit. Definition of the DROP. 3-phase transformers, connections,
phase-shift, parallel connection.
Magnetic field of the electromechanical energy converters
Magnetic fields of the electrical machines: stationary, pulsating and
rotating field. Generation of the rotating field. Torque development. Frequency
condition.
Operation principles of the basic electromechanical energy converters
3-phase synchronous machine. Condition of the steady-state torque.
Synchronous speed. Cylindrical synchronous machine. Equivalent circuit.
Pole-voltage, armature voltage, synchronous reactance.
3-hase induction machine. Condition of the steady-state torque.
Slip-ring and squirrel-cage rotor. The slip. Equivalent circuit.
The DC machine. The commutation.
Power electronics, electrical drives
Basic converter connections. Electrical drives: starting, braking, speed
modification.
Electrotechnical environment protection
Electromagnetic compatibility (EMC). Low and high frequency effects.
Electrostatic discharge. Electromagnetic impulses.
Electrical safety regulations
Basics, methods, limits, measurements.
Electrical energy storage
Chemical, electrical, magnetic, mechanical energy storage. Fuel-cells.
Electrotechnical applications, trends
Requirements of sustainable development. Application of alternative
energy sources. Alternative electrical vehicles. New materials and
technologies. Superconductivity.
Laboratory practices:
·
Investigation of high-voltage
discharges.
·
Electric shock protection.
·
The transformer.
·
Electrical rotating machines.
·
Non-conventional energy converters.
Learning outcomes
Ez a tantárgy a KKK rendeletben meghatározott, következő kompetenciák fejlesztését szolgálja:
Knowledge
No learning outcomes recorded.
Skills
No learning outcomes recorded.
Attitudes
No learning outcomes recorded.
Autonomy and responsibility
No learning outcomes recorded.
Oktatási módszertan
Tanulástámogató anyagok
Online források
Recommended preliminary knowledge for completing the subject
General rules
Assessment methods
In-term assessments
No detailed assessments provided.
Weight of in-term assessments
No weights provided.
Exam-period assessments
No detailed assessments provided.
Weight of exam elements
No weights provided.
Grade calculation
No grade thresholds provided.
Attendance requirements
No attendance requirements provided.
Rules for retake and resubmission
Not provided.
Short description
Not provided.
Detailed description
Not provided.
Recommended courses
Workload to complete the subject
No workload breakdown provided.
Validity of subject requirements
Curriculum placement
No curriculum placements recorded for this subject version.