Electric Power Engineering (5cr)

Objective

You know how electricity is produced and how it is transferred from the production plant to the distribution transformer. You know the basics of industrial electricity distribution and the components used there. You know what is meant by 3-phase technology, symmetrical and asymmetrical loading, and you can interpret main distribution and circuit diagrams. You know the quantities and phenomena of electrical power technology and you can compare the results obtained in practical measurements with the values ​​obtained by calculation. You are familiar with the basic operations of the Nordic shared network Nordell, the electricity markets and the Finnish transmission system operator.

Content

- Three-phase system
- Electricity generation, storage and distribution: high voltage
- Nordic electricity grid and market
- Components used in industrial electricity distribution
- Network effects of electrical loads
- Transformer
- Working in an electric power laboratory

Labs
- Motor circuits
- Transformer
- Industrial distribution centers
- Three-phase technology

Qualifications

The prerequisite is that the student knows the correct and safe operating procedures in the electrical field and in the electrical laboratory, knows how electricity distribution works from the distribution transformer to the device that uses electricity. Knows basic calculations according to Ohm's law and knows the terms used in the field. You may have completed, for example, the "Basics of Electrification" course or equivalent, or acquired equivalent competence in another way.

Assessment criteria, satisfactory (1)

You will recognize the basic components used in industry and electricity transmission, their operation in alternating current circuits and the basic principles of connections. You will be able to interpret electrical technical documents and connection diagrams and, based on them, you will recognize real equipment found in industry. You will be able to make connections based on pictures and diagrams with the guidance of an instructor and you will be able to evaluate your own actions. You will be able to perform basic calculations of electrical quantities in electrical power engineering and to measure electrical quantities in practice. You will be able to calculate the current, voltage and power quantities of a three-phase alternating current system. You will be able to measure current, voltage and power in a circuit. You will be able to write a report on a practical work exercise.

Assessment criteria, good (3)

You can connect various components of electrical power engineering into functional electrical circuits. You can interpret electrical engineering documents and identify components used in industry and electricity distribution based on them. You can correctly connect measuring devices for different electrical quantities to the basic electrical engineering connections being studied. You can read measuring devices correctly and compare the results with calculated values. You can prepare a report on a practical work exercise. You can use basic electrical power engineering calculations in problem solving and measurements.

Assessment criteria, excellent (5)

You can read various electrical power engineering documents, such as circuit diagrams, wiring diagrams, layout drawings and compare them with practical components, equipment and the whole in an industrial environment and in electricity distribution. You can interpret the operation of measuring devices and select the right measuring devices as needed, and you can compare the results obtained by calculation with the values ​​of the measuring device. You can write a high-quality report on a laboratory exercise, which highlights the theory related to the topic, the results obtained in the work, your own observations and states the sources used. You master the theory of the topic and can apply it in problem solutions and practical tasks.

Assessment criteria, approved/failed

Pass:
The student demonstrates sufficient competence in the following areas:
- Theoretical competence (exam) is at least satisfactory.
- Assignments have been completed appropriately and demonstrate understanding of the subject.
- Practical competence (laboratory work) meets the competence requirements.
- Reporting is clear, consistent, and contains the necessary information.

Fail:
The student's competence is deficient in one or more of the following areas:
- Theoretical skills do not meet the minimum requirements.
- The exercises have been completed inadequately or incorrectly.
- Practical skills (laboratory work) do not meet the competence requirements.
- The reporting is inadequate, unclear, or substantially incorrect.

Materials

Hietalahti Lauri, Sähkövoimatekniikan perusteet. 2013. Amk-Kustannus Oy, Tammertekniikka.

Aho Mikko, Ahonen Jussi, Sähkötekniikan perusteet. 2024. Sanoma Pro