410-4118/01 – Energetic Problems of Electroheating Equipments (EPEZ)

Gurantor departmentDepartment of Electrical Power EngineeringCredits6
Subject guarantordoc. Ing. Vladimír Král, Ph.D.Subject version guarantordoc. Ing. Vladimír Král, Ph.D.
Study levelundergraduate or graduateRequirementOptional
Year1Semestersummer
Study languageCzech
Year of introduction2010/2011Year of cancellation
Intended for the facultiesFEIIntended for study typesFollow-up Master
Instruction secured by
LoginNameTuitorTeacher giving lectures
HRA50 prof. Ing. Zdeněk Hradílek, DrSc.
KRA24 doc. Ing. Vladimír Král, Ph.D.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 2+2
Combined Credit and Examination 10+4

Subject aims expressed by acquired skills and competences

After completing the course the student can apply the theory to the design of electric heating method, can assess the interference effects of electro-thermal devices on the power grids and suggest possibilities of their limitation. In exercises, laboratories, and projects, it demonstrates the ability to calculate and design electro-thermal devices with computer support when applying a variant solution.

Teaching methods

Lectures
Tutorials
Experimental work in labs
Project work
Other activities

Summary

The course focuses on industrial applications of resistance, induction, arc, dielectric, electron and laser principles of utilization of transformation of electric energy into thermal energy, their optimization with regard to energy consumption and elimination their disturbances on the supply network. It also includes energy issues of electrical heating.

Compulsory literature:

Metaxas, A. C. Foundations of electroheat: a unified approach. Chichester: Wiley, 1996. ISBN 9780471956440 Hradílek, Z. Teoretical aspects of alternative proposals of electric heating. Ostrava: Sborník vědeckých prací VŠB TUO 1999 Hradílek, Z. Alternative proposal of electric heating in closed spaces. Lisabon: U.I.E. Congress Lisabon Portugal 2000 Hradílek, Z. at. all Cooperation on Engineering Education Computer Aided Disign and Work Simulation of Electric Furnaces and Heaters. Ostrava: Proceedings of International Conference ICEE 1999, Ostrava

Recommended literature:

Hradílek, Z. Teoretical aspects of alternative proposals of electric heating. Ostrava: Sborník vědeckých prací VŠB TUO 1999 Hradílek, Z. Alternative proposal of electric heating in closed spaces. Lisabon: U.I.E. Congress Lisabon Portugal 2000 Hradílek, Z. at. all Cooperation on Engineering Education Computer Aided Disign and Work Simulation of Electric Furnaces and Heaters. Ostrava: Proceedings of International Conference ICEE 1999, Ostrava

Way of continuous check of knowledge in the course of semester

Terms of the credit: Detailed points specification is at http://fei1.vsb.cz/kat451/studium/f_studium.htm in studium section of this course. Process projects in time, observe required format and manner of delivery. Carry out in addition: From each of tasks get 1 point minimally. Each of tasks is possible to deliver only once.

E-learning

Další požadavky na studenta

There are not defined other requirements for student.

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Lectures: Electrical resistance heat Alternative power supply for electric heating. Automatic control of heating. Determination of distribution transformers power reguirement supplying electric heating. Dependence on the outdoor temperature. Connection and protection heating appliances. Bleeder load (demand limiter). Floor heating power supply. EAF side effect. Current flicker source of EAF. Types of voltage flicker. Possibilities of flicker restriction of EAF. Power factor compensation of EAF. EAF mode control, computer control. Reduction of energy consumption. PC Diagnostic Optimization of energy mode of EAF by reactor Asymmetric load of inductive devices. Power supply for high frequency surface heating. Exercises: Proposal of power supply for direct and indirect resistance heating. Heating with heating chains, belts and cables. Industrial applications. Power supplies for heating with heating chains and belts. Control systems. Safety factor. Types of electric heating, design and use. Control and economy.of electric heating EAF energy mode. Stages of melting and their energy demand factor. Methods of energy mode control. Basic parameters of electric arc. Influences of the energy transfer. Back effects of EAF on the power system, their reduction. Voltage and power factor compensation. Economic evaluation of the EAF operation, optimization of supply mode. Inductive appliances, applications, power supplies. The issue of asymmetric load of inductive appliances. Proposal of inductive devices with PC support. Projects: Optimization of direct resistance heating with the aid of simulation SW. Performance characteristics of EAF.

Conditions for subject completion

Combined form (validity from: 2010/2011 Winter semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Exercises evaluation and Examination Credit and Examination 100 (100) 51
        Exercises evaluation Credit 45  20
        Examination Examination 55  6
Mandatory attendence parzicipation:

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.FormStudy language Tut. centreYearWSType of duty
2019/2020 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Optional study plan
2019/2020 (N2661) Designing of Electrical Systems and Technologies P Czech Ostrava 1 Optional study plan
2019/2020 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Optional study plan
2019/2020 (N2661) Designing of Electrical Systems and Technologies K Czech Ostrava 1 Optional study plan
2018/2019 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Optional study plan
2018/2019 (N2661) Designing of Electrical Systems and Technologies P Czech Ostrava 1 Optional study plan
2018/2019 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Optional study plan
2018/2019 (N2661) Designing of Electrical Systems and Technologies K Czech Ostrava 1 Optional study plan
2017/2018 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Optional study plan
2017/2018 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Optional study plan
2017/2018 (N2661) Designing of Electrical Systems and Technologies P Czech Ostrava 1 Optional study plan
2017/2018 (N2661) Designing of Electrical Systems and Technologies K Czech Ostrava 1 Optional study plan
2016/2017 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Optional study plan
2016/2017 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Optional study plan
2015/2016 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Optional study plan
2015/2016 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Optional study plan
2014/2015 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Optional study plan
2014/2015 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Optional study plan
2013/2014 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Optional study plan
2013/2014 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Optional study plan
2012/2013 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Optional study plan
2012/2013 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Optional study plan
2011/2012 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Optional study plan
2011/2012 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Optional study plan
2010/2011 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Optional study plan
2010/2011 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Optional study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner