Electrical Equipment and Insulations
A tantárgyleírás hatályossága
| Subject name (Hungarian, English) |
Villamos berendezések és szigetelések
Electrical Equipment and Insulations
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| Subject code | BMEVIVEAC11 | ||||||||||||
| Subject type | — | ||||||||||||
| Training Level | — | ||||||||||||
| Course types and hours (weekly/semester) |
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| Assessment type | vizsga | ||||||||||||
| Credits | 5 | ||||||||||||
| Subject coordinator |
Cselkó Richárd
position: egyetemi docens
contact:
cselko.richard@vik.bme.hu
|
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| Responsible department |
Villamos Energetika Tanszék
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| Faculty | Villamosmérnöki és Informatikai Kar | ||||||||||||
| Subject website | https://vet.bme.hu/en/education/subjects/?training_level=&category=3 | ||||||||||||
| 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 requirements agains the components of the electric power network. Types of equipment, their common properties nad specifications. Reliability.
Definition of electric arc and comparison with other discharge types. Physics of forming, sustaining and interruption of the electric arc. Properties of the arc as a network component. Dangers of arc flash.
High-voltage circuit breakers, disconnectors and gas insulated switchgear. Properties of the sulfur-hexafluoride gas.
Properties of medium-voltage substations. Construction of oil-blast and vacuum circuit breakers. Construction and operation of fuses.
Typical switchgear on the low-voltage network. Definition and realization of selectivity.
Components and insulating materials used in large power transformers. Construction of the main insulation and bushings.
Construction of overhead power lines. Types of power line insulators. Construction of non-ceramic insulators. Construction of cables and the problems to be solved at different voltage levels.
Environmental, electrical, mechanical and thermal stresses of insulations. Multi-level coordination of overvoltages. Calculation and optimization of electrical stress.
Conduction and polarization in dielectrics.
Gas discharges.
Breakdown of liquids and solids.
Construction of surge arresters.
Generation and measurement of high voltage.
Calculation of the switching-on of faults.
Calculation of transient recovery voltage in various arrangements.
Calculation of arc quenching in DC switchgear.
Calculations of diagnostics of switchgear.
Reliability of industrial power networks.
Demonstration of electrical design.
Dimensioning of high-voltage insulation.
Statistical treatment of breakdown data.
Dimensioning of high-voltage test equipment.
Calculations of electrical insulation diagnostics and cable diagnostics.
Methods to calculate the forces generated by short-circuit currents.
Calculation of heating in case of short circuit (fuses) and slow heating. Dynamic thermal limit calculation.
Application of FEM to solve high-voltage problems.
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
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.