Electrical Machines and Drives
A tantárgyleírás hatályossága
| Subject name (Hungarian, English) |
Villamos gépek és hajtások
Electrical Machines and Drives
|
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Subject code | BMEVIVEA095 | ||||||||||||
| Subject type | — | ||||||||||||
| Training Level | — | ||||||||||||
| Course types and hours (weekly/semester) |
|
||||||||||||
| Assessment type | félévközi érdemjegy | ||||||||||||
| Credits | 4 | ||||||||||||
| Subject coordinator |
DR. Veszprémi Károly
position: egyetemi tanár
contact:
veszpremi.karoly@vik.bme.hu
|
||||||||||||
| Responsible department |
Villamos Energetika Tanszék
|
||||||||||||
| 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
1. week: Transformer: operation principle, construction, equivalent circuit, vector diagram, operation.
2. week: Kinetics of electric drives (referring the inertia and torque to common shaft, stability, motion equation, time constants). Using the per-unit system.
3. week: Construction and operation of DC machine, its induced voltage, torque and equivalent circuit.
4-5. week: Excitation methods of DC machines, mechanical characteristics. Constant voltage supply. Starting of DC machines. Braking methods of DC machines: regenerative, resistive, plugging. Speed modification.
6. week: Converter-fed DC drives. Converter topologies. Operation neglecting the overlap. Power conditions of converter-fed DC drives.
7. week: Topology, control and characteristics of the DC chopper-fed DC drives.
8-9. week: 3-phase vectors (Park.vectors). Magnetic fields and induced voltage of AC machines. Induction machine: operation principle, equivalent circuit, power flow, vector diagram, current vector diagram, mechanical characteristic curve for constant voltage supply.
10. week: Starting of induction machines. Braking methods of induction machines: regenerative, plugging, dynamic braking. Speed modification methods of induction machines: modifying the rotor resistance, modifying the supply voltage, modifying the pole-pair number.
11-12. week: Frequency-converter-fed induction machine drives. Operation and voltage waveform of simple inverter. PWM voltage-source inverter-fed drive.
13. week: Synchronous machine: operation principle, construction, equivalent circuit, vector diagram, connecting to the network, load development, torque. Current vector diagram of the cylindrical rotor synchronous machine.
14. week: Static and dynamic stability of synchronous machines.
Practices: computation practices in starting , connections, upper-harmonics, per-unit values, time constants, vector diagrams.
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
Not provided.
Tanulástámogató anyagok
Not provided.
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.