410-2301/04 – Computer Applications in Electrical Power Engineering (VPEE)
| Gurantor department | Department of Electrical Power Engineering | Credits | 5 |
| Subject guarantor | doc. Ing. Vladimír Král, Ph.D. | Subject version guarantor | doc. Ing. Vladimír Král, Ph.D. |
| Study level | undergraduate or graduate | Requirement | Compulsory |
| Year | 2 | Semester | winter |
| | Study language | Czech |
| Year of introduction | 2019/2020 | Year of cancellation | |
| Intended for the faculties | FEI | Intended for study types | Bachelor |
Subject aims expressed by acquired skills and competences
To be able to create measurement block diagram.
To explain PC option use by electric power measurement.
To grasp basic principles of RS-232C, RS485, LPT, USB and GPIB interfaces.
To clarify data acquisition and data transfer.
To explain signal sampling, to describe A-D and D-A converters, DAQ PC cards and to explain measurement errors.
To be acquainted with measurement of basic electrical values in distribution systems.
Teaching methods
Lectures
Tutorials
Experimental work in labs
Project work
Other activities
Field data collection
Summary
In terms of this subject is student acquainted with basic principles of computer use in electrical power engineering. Is discussed the broad issue of electrical power measurement, long-term automation measurement, electric converters. Main accent is insisted on PC control of measurement instruments, next on data transfer and their processing, presentation and utilisation.
Compulsory literature:
Recommended literature:
Walkenbach, J.: Microsoft Excel 2000 Formulas, IDG Books Worlwide, 1999.
Additional study materials
Way of continuous check of knowledge in the course of semester
Attendance at all of laboratory works. Processing of laboratory reports in requested date, form and way of delivery. Processing of dated up project, test.
In addition:
Of each of task get 1 point minimally.
Each of tasks is possible to deliver only once.
Repair test is possible to write only in this case: result of first = 0 point.
Note: Repair test has different condition of evaluation.
E-learning
Materials are available at https://lms.vsb.cz/?lang=en.
Other requirements
Other requirements for the student are not.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
Lectures:
Course content, references.
Adjustment and customization of measured signals. Scheme of the measuring circuit.
Sensors, sensor error compensation, basic concepts of measurement (dynamic range, sensitivity), errors of analogue and digital measuring instruments.
Sensors of non-electrical and electrical quantities.
Basic signal classification, principle of TRUE RMS and active power measurement, block diagrams of I, V, P converters.
Interfaces, buses: RS-232C, RS-485, USB, Centronix, GPIB.
Signal sampling and quantization, circuit design. DAQ cards - concept.
A/D and D/A converters, characteristics, principles, types, errors.
Computer measurement and control systems. ISO/OSI model, transmission medium approach, technology and information system concept.
Distributed and centralised measurement systems. Systems for laboratory and industrial applications.
Special measuring instruments in the power engineering sector - ENA8000, PQA, MDS, KMB. Long-term measurements, their use in practice.
System protection against electromagnetic interference. Electromagnetic compatibility (EMC) in the power engineering - basic classification, concepts, cost optimization to guarantee EMC.
Harmonics - causes, what they cause, options for mitigation.
Object oriented systems. Virtual devices. Applications.
Data processing - formats of transferred data, stored data. Spreadsheets, database systems.
Connecting measuring devices in practice, measured quantities, wiring.
Exercise:
Introduction to the requirements for passing the exercise. Safety instructions. Laboratory equipment introduction.
Spreadsheets, use of Excel for scientific and engineering applications.
PC serial interface. Control of measuring instruments via serial interface, import of acquired data into spreadsheets.
Computer measurement cards - control, programming.
Assigning an individual project, starting work on it.
Final written test.
Laboratories:
Task 1. Measurement of frequency dependence of universal measuring instruments. Comparison and evaluation of measurements in Excel. (2 exercises)
Task 2. Evaluation of harmonic currents of selected nonlinear appliances from oscilloscope measurements in Excel. (2 exercises)
Task 3. Measurement of electrical quantities according to EN 50160 standard using a network analyser. Processing and evaluation of measured data.
Task 4. Evaluation and processing of long-term measurements (electric arc furnace).
Project:
Evaluation and analysis of electricity consumption/production of a family house.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction