Course detail
Electrical apparatus
FEKT-BEPRAcad. year: 2011/2012
Not applicable.
Language of instruction
Czech
Number of ECTS credits
6
Mode of study
Not applicable.
Guarantor
Learning outcomes of the course unit
Not applicable.
Prerequisites
Not applicable.
Co-requisites
Not applicable.
Planned learning activities and teaching methods
Not applicable.
Assesment methods and criteria linked to learning outcomes
Not applicable.
Course curriculum
Lectures
1. Main functions of el. apparatuses, lv and hv el. apparatuses.
2. Switching on in el. circuits.
3. Heat effects of el. current.
4. Force effects of el. current.
5. Switching off in el. circuits without switching arc. Electrical discharges. Switching process with el. arc. Recovery voltage.
6. Switching off of opperational currents and short-circuit currents.
7. Electrical contacts.
8. El. apparatuses without el. arc and operational el. apparatuses. Design and properties.
9. Power el. apparatuses. Design and properties.
10. Instrumental transformes and gaseous insulated systems with SF6.
11. Principles of el. devices protection.
12. Protection of lines against oveload.
13. Protection of lines againts short-circuit currents.
Laboratories:
1. Switching on of DC and AC currents.
2. Measurement of teperature rise of switching devices
3. Recovery voltage in RLC circuit without el. arc.
4. DC arc characteristics.
5. Measurement on lv circuit breaker.
6. AC arc characteristic.
7. Measurement on thermal relay.
8. Measurement on residual current device (RCD).
9. Protection against overload, time-current characteristics.
10. Protection against short-circuit current, work with computational support.
1. Main functions of el. apparatuses, lv and hv el. apparatuses.
2. Switching on in el. circuits.
3. Heat effects of el. current.
4. Force effects of el. current.
5. Switching off in el. circuits without switching arc. Electrical discharges. Switching process with el. arc. Recovery voltage.
6. Switching off of opperational currents and short-circuit currents.
7. Electrical contacts.
8. El. apparatuses without el. arc and operational el. apparatuses. Design and properties.
9. Power el. apparatuses. Design and properties.
10. Instrumental transformes and gaseous insulated systems with SF6.
11. Principles of el. devices protection.
12. Protection of lines against oveload.
13. Protection of lines againts short-circuit currents.
Laboratories:
1. Switching on of DC and AC currents.
2. Measurement of teperature rise of switching devices
3. Recovery voltage in RLC circuit without el. arc.
4. DC arc characteristics.
5. Measurement on lv circuit breaker.
6. AC arc characteristic.
7. Measurement on thermal relay.
8. Measurement on residual current device (RCD).
9. Protection against overload, time-current characteristics.
10. Protection against short-circuit current, work with computational support.
Work placements
Not applicable.
Aims
Not applicable.
Specification of controlled education, way of implementation and compensation for absences
Not applicable.
Recommended optional programme components
Not applicable.
Prerequisites and corequisites
Not applicable.
Basic literature
Browne,T.,E.: Circuit interruption,N.York,1984.
Havelka, O. a kol.: Elektrické přístroje, SNTL, 1985.
Havelka, O. a kol.: Elektrické přístroje, SNTL, 1985.
Recommended reading
Vávra, Z., Vaněk, J.: Vysoké napětí a elektrické přístroje, Laboratorní a numerická cvičení, Část II: Elektrické přístroje, elektronický text, FEKT VUT v Brně, 2003.
Classification of course in study plans
Type of course unit
Lecture
39 hod., optionally
Teacher / Lecturer
Syllabus
1. Main functions el. apparatuses for low voltage and high voltage.
2. Switching on in el. circuits.
3. Heat effect of current.
4. Force effect of current.
5. Switching off in el. circuits without switching arc. Electrical discharges. Switching proccess with el. arc. Recovery voltage.
6. Switching off opperational and short currents.
7. Electrical contacts.
8. Simple and operational el. apparatuses. Design and properties.
9. Power el. apparatuses. Design and properties.
10. Measure transformes and gaseous insulated systems with gas SF6.
11. Principles of el. equipment protection.
12. Protection against electric line overloading.
13. Protection electric line against short currents.
Laboratories:
1. Switching on DC and AC currents.
2. Measurement of el. apparatus heating curve.
3. Determination of recovery voltage in RLC circuit without el. arc.
4. Measurement of DC arc characteristics.
5. Measurement on circuit breaker.
6. Measurement of AC arc characteristic.
7. Measurement on thermal relay.
8. Measurement on residual current device.
9. Protection against overloading, time-current characteristics.
10. Protection against short current, setting of modern devices.
2. Switching on in el. circuits.
3. Heat effect of current.
4. Force effect of current.
5. Switching off in el. circuits without switching arc. Electrical discharges. Switching proccess with el. arc. Recovery voltage.
6. Switching off opperational and short currents.
7. Electrical contacts.
8. Simple and operational el. apparatuses. Design and properties.
9. Power el. apparatuses. Design and properties.
10. Measure transformes and gaseous insulated systems with gas SF6.
11. Principles of el. equipment protection.
12. Protection against electric line overloading.
13. Protection electric line against short currents.
Laboratories:
1. Switching on DC and AC currents.
2. Measurement of el. apparatus heating curve.
3. Determination of recovery voltage in RLC circuit without el. arc.
4. Measurement of DC arc characteristics.
5. Measurement on circuit breaker.
6. Measurement of AC arc characteristic.
7. Measurement on thermal relay.
8. Measurement on residual current device.
9. Protection against overloading, time-current characteristics.
10. Protection against short current, setting of modern devices.
Laboratory exercise
26 hod., compulsory
Teacher / Lecturer
Syllabus
Laboratories:
1. Switching on DC and AC currents.
2. Measurement of el. apparatus heating curve.
3. Determination of recovery voltage in RLC circuit without el. arc.
4. Measurement of DC arc characteristics.
5. Measurement on circuit breaker.
6. Software support of projecting, SPIDER.
7. Measurement of AC arc characteristic.
8. Measurement on thermal relay.
9. Measurement on residual current device.
10. Measurement on electromagnet, tensile force.
11. Protection against overloading, time-current characteristics.
12. Protection against short current, setting of modern devices.
1. Switching on DC and AC currents.
2. Measurement of el. apparatus heating curve.
3. Determination of recovery voltage in RLC circuit without el. arc.
4. Measurement of DC arc characteristics.
5. Measurement on circuit breaker.
6. Software support of projecting, SPIDER.
7. Measurement of AC arc characteristic.
8. Measurement on thermal relay.
9. Measurement on residual current device.
10. Measurement on electromagnet, tensile force.
11. Protection against overloading, time-current characteristics.
12. Protection against short current, setting of modern devices.