Basics in Electrical EngineeringLaajuus (3 cr)
Code: ELA23GY05
Credits
3 cr
Objective
The student:
- knows Y- and deltatransformations
- knows complex numbers
- knows the AC sine function
- knows and is able to calculate DC and AC power.
Content
- Y- and deltatransformations
- complex numbers
- AC sine function
- calculation of AC circuits
- the power in DC and AC circuits
Qualifications
No prerequisites
Assessment criteria, satisfactory (1)
Has the skill to transform between Y- and delta circuits
Has the skill to transform complex numbers between rectangular and polar form
Has the skill to calculate the frequency/period and angular frequency
Understands the importance of phase shift between current and voltage
Knows the relationship between active, reactive and apparent power
Assessment criteria, good (3)
Has an understanding of the relationship between rectangular and polar form
Has the skill to illustrate the relationship between time- and circular charts
Masters the calculation of the impedance of simple series and parallel circuits
Masters the calculation of the power of simple series and parallel circuits
Assessment criteria, excellent (5)
Can explain the relationship formulas
Has the skill to calculate the alternating quantities’ instantaneous values
Has the skill to calculate the quantities’ instantaneous values of reactive components
Knows the principles for power adjustment and phase compensation
Materials
Course compendium + complementary material
Enrollment
02.12.2025 - 19.01.2026
Timing
01.01.2026 - 04.05.2026
Number of ECTS credits allocated
3 cr
Mode of delivery
Contact teaching
Campus
Vasa, Wolffskavägen 33
Teaching languages
- Svenska
Degree programmes
- Degree Programme in Electrical Engineering and Automation
Teachers
- Jonas Nysten
Teacher in charge
Ronnie Sundsten
Scheduling groups
- ELA25-S (Size: 50. Open UAS: 0.)
- ELA25-Y (Size: 50. Open UAS: 0.)
Groups
-
ELA25D-VIngenjör (YH), el- och automationsteknik, 2025, dagstudier
Small groups
- ELA25-S
- ELA25-Y
Objective
The student:
- knows Y- and deltatransformations
- knows complex numbers
- knows the AC sine function
- knows and is able to calculate DC and AC power.
Content
- Y- and deltatransformations
- complex numbers
- AC sine function
- calculation of AC circuits
- the power in DC and AC circuits
Location and time
19.01.2026 - 08.03.2026
Materials
Course Compendium
Supplementary materials.
Teaching methods
Lectures
Calculus exercises
Self-studies
Exam schedules
The exam will be held in week 10.
Completion alternatives
Written examination and diagnostic test. The score from the diagnostic test can only increase the course grade if the course exam is passed.
Student workload
Total 81 hours, of which lectures/calculation exercises/exams 34 hours.
Evaluation scale
H-5
Assessment criteria, satisfactory (1)
Has the skill to transform between Y- and delta circuits
Has the skill to transform complex numbers between rectangular and polar form
Has the skill to calculate the frequency/period and angular frequency
Understands the importance of phase shift between current and voltage
Knows the relationship between active, reactive and apparent power
Assessment criteria, good (3)
Has an understanding of the relationship between rectangular and polar form
Has the skill to illustrate the relationship between time- and circular charts
Masters the calculation of the impedance of simple series and parallel circuits
Masters the calculation of the power of simple series and parallel circuits
Assessment criteria, excellent (5)
Can explain the relationship formulas
Has the skill to calculate the alternating quantities’ instantaneous values
Has the skill to calculate the quantities’ instantaneous values of reactive components
Knows the principles for power adjustment and phase compensation
Assessment methods and criteria
For course credit: At least 33.3% in the course exam (three exam opportunities are offered).
Assessment criteria, fail (0)
Less than 33.3% of total points.
Assessment criteria, satisfactory (1-2)
Grade 1: 33.3% - 47.2% of total points.
Grade 2: 47.3% - 61.1% of total points.
Assessment criteria, good (3-4)
Grade 3: 61.2% - 74.9% of total points.
Grade 4: 75.0% - 88.8% of total points.
Assessment criteria, excellent (5)
More than 88.8% of the total points.
Qualifications
No prerequisites
Enrollment
02.12.2025 - 23.01.2026
Timing
01.01.2026 - 04.05.2026
Number of ECTS credits allocated
3 cr
Mode of delivery
Contact teaching
Campus
Vasa, Wolffskavägen 33
Teaching languages
- Svenska
Degree programmes
- Degree Programme in Electrical Engineering and Automation
Teachers
- Jonas Nysten
Teacher in charge
Kaj Wikman
Groups
-
UIT25D-VIngenjör (YH), informationsteknik, 2025
Objective
The student:
- knows Y- and deltatransformations
- knows complex numbers
- knows the AC sine function
- knows and is able to calculate DC and AC power.
Content
- Y- and deltatransformations
- complex numbers
- AC sine function
- calculation of AC circuits
- the power in DC and AC circuits
Location and time
19.01.2026 - 08.03.2026
Materials
Course Compendium
Supplementary materials.
Teaching methods
Lectures
Calculus exercises
Self-studies
Exam schedules
The exam will be held in week 10.
Completion alternatives
Written examination and diagnostic test. The score from the diagnostic test can only increase the course grade if the course exam is passed.
Student workload
Total 81 hours, of which lectures/calculation exercises/exams 34 hours.
Evaluation scale
H-5
Assessment criteria, satisfactory (1)
Has the skill to transform between Y- and delta circuits
Has the skill to transform complex numbers between rectangular and polar form
Has the skill to calculate the frequency/period and angular frequency
Understands the importance of phase shift between current and voltage
Knows the relationship between active, reactive and apparent power
Assessment criteria, good (3)
Has an understanding of the relationship between rectangular and polar form
Has the skill to illustrate the relationship between time- and circular charts
Masters the calculation of the impedance of simple series and parallel circuits
Masters the calculation of the power of simple series and parallel circuits
Assessment criteria, excellent (5)
Can explain the relationship formulas
Has the skill to calculate the alternating quantities’ instantaneous values
Has the skill to calculate the quantities’ instantaneous values of reactive components
Knows the principles for power adjustment and phase compensation
Assessment methods and criteria
For course credit: At least 33.3% in the course exam (three exam opportunities are offered).
Assessment criteria, fail (0)
Less than 33.3% of total points.
Assessment criteria, satisfactory (1-2)
Grade 1: 33.3% - 47.2% of total points.
Grade 2: 47.3% - 61.1% of total points.
Assessment criteria, good (3-4)
Grade 3: 61.2% - 74.9% of total points.
Grade 4: 75.0% - 88.8% of total points.
Assessment criteria, excellent (5)
More than 88.8% of the total points.
Qualifications
No prerequisites
Enrollment
02.12.2024 - 19.01.2025
Timing
01.01.2025 - 30.04.2025
Number of ECTS credits allocated
3 cr
Mode of delivery
Contact teaching
Campus
Vasa, Wolffskavägen 33
Teaching languages
- Svenska
Degree programmes
- Degree Programme in Electrical Engineering and Automation
Teachers
- Matts Nickull
Teacher in charge
Kaj Wikman
Groups
-
UIT24D-VIngenjör (YH), informationsteknik, 2024
Objective
The student:
- knows Y- and deltatransformations
- knows complex numbers
- knows the AC sine function
- knows and is able to calculate DC and AC power.
Content
- Y- and deltatransformations
- complex numbers
- AC sine function
- calculation of AC circuits
- the power in DC and AC circuits
Evaluation scale
H-5
Assessment criteria, satisfactory (1)
Has the skill to transform between Y- and delta circuits
Has the skill to transform complex numbers between rectangular and polar form
Has the skill to calculate the frequency/period and angular frequency
Understands the importance of phase shift between current and voltage
Knows the relationship between active, reactive and apparent power
Assessment criteria, good (3)
Has an understanding of the relationship between rectangular and polar form
Has the skill to illustrate the relationship between time- and circular charts
Masters the calculation of the impedance of simple series and parallel circuits
Masters the calculation of the power of simple series and parallel circuits
Assessment criteria, excellent (5)
Can explain the relationship formulas
Has the skill to calculate the alternating quantities’ instantaneous values
Has the skill to calculate the quantities’ instantaneous values of reactive components
Knows the principles for power adjustment and phase compensation
Qualifications
No prerequisites
Enrollment
01.12.2024 - 19.01.2025
Timing
01.01.2025 - 17.03.2025
Number of ECTS credits allocated
3 cr
Mode of delivery
Contact teaching
Campus
Vasa, Wolffskavägen 33
Teaching languages
- Svenska
Degree programmes
- Degree Programme in Electrical Engineering and Automation
Teachers
- Matts Nickull
Teacher in charge
Ronnie Sundsten
Scheduling groups
- ELA24-Y (Size: 40. Open UAS: 0.)
- ELA24-S (Size: 40. Open UAS: 0.)
- UIT24 (Size: 40. Open UAS: 0.)
Groups
-
ELA24D-VIngenjör (YH), el- och automationsteknik, 2024, dagstudier
Small groups
- ELA24-Y
- ELA24-S
- UIT24
Objective
The student:
- knows Y- and deltatransformations
- knows complex numbers
- knows the AC sine function
- knows and is able to calculate DC and AC power.
Content
- Y- and deltatransformations
- complex numbers
- AC sine function
- calculation of AC circuits
- the power in DC and AC circuits
Evaluation scale
H-5
Assessment criteria, satisfactory (1)
Has the skill to transform between Y- and delta circuits
Has the skill to transform complex numbers between rectangular and polar form
Has the skill to calculate the frequency/period and angular frequency
Understands the importance of phase shift between current and voltage
Knows the relationship between active, reactive and apparent power
Assessment criteria, good (3)
Has an understanding of the relationship between rectangular and polar form
Has the skill to illustrate the relationship between time- and circular charts
Masters the calculation of the impedance of simple series and parallel circuits
Masters the calculation of the power of simple series and parallel circuits
Assessment criteria, excellent (5)
Can explain the relationship formulas
Has the skill to calculate the alternating quantities’ instantaneous values
Has the skill to calculate the quantities’ instantaneous values of reactive components
Knows the principles for power adjustment and phase compensation
Qualifications
No prerequisites
Enrollment
30.11.2023 - 07.01.2024
Timing
01.01.2024 - 16.03.2024
Number of ECTS credits allocated
3 cr
Mode of delivery
Contact teaching
Unit
Faculty of Technology and Seafaring
Campus
Vasa, Wolffskavägen 33
Teaching languages
- Svenska
Degree programmes
- Degree Programme in Information Technology
Teachers
- Matts Nickull
Teacher in charge
Kaj Wikman
Scheduling groups
- ELA23-S (Size: 40. Open UAS: 0.)
- ELA23-Y (Size: 40. Open UAS: 0.)
Groups
-
ELA23D-VIngenjör (YH), el- och automationsteknik, 2023, dagstudier
Small groups
- ELA23-S
- ELA23-Y
Objective
The student:
- knows Y- and deltatransformations
- knows complex numbers
- knows the AC sine function
- knows and is able to calculate DC and AC power.
Content
- Y- and deltatransformations
- complex numbers
- AC sine function
- calculation of AC circuits
- the power in DC and AC circuits
Evaluation scale
H-5
Assessment criteria, satisfactory (1)
Has the skill to transform between Y- and delta circuits
Has the skill to transform complex numbers between rectangular and polar form
Has the skill to calculate the frequency/period and angular frequency
Understands the importance of phase shift between current and voltage
Knows the relationship between active, reactive and apparent power
Assessment criteria, good (3)
Has an understanding of the relationship between rectangular and polar form
Has the skill to illustrate the relationship between time- and circular charts
Masters the calculation of the impedance of simple series and parallel circuits
Masters the calculation of the power of simple series and parallel circuits
Assessment criteria, excellent (5)
Can explain the relationship formulas
Has the skill to calculate the alternating quantities’ instantaneous values
Has the skill to calculate the quantities’ instantaneous values of reactive components
Knows the principles for power adjustment and phase compensation
Qualifications
No prerequisites
Enrollment
30.11.2023 - 07.01.2024
Timing
01.01.2024 - 17.03.2024
Number of ECTS credits allocated
3 cr
Mode of delivery
Contact teaching
Unit
Faculty of Technology and Seafaring
Campus
Vasa, Wolffskavägen 33
Teaching languages
- Svenska
Degree programmes
- Degree Programme in Electrical Engineering and Automation
Teachers
- Matts Nickull
Teacher in charge
Kaj Wikman
Groups
-
UIT23D-VIngenjör (YH), informationsteknik
Objective
The student:
- knows Y- and deltatransformations
- knows complex numbers
- knows the AC sine function
- knows and is able to calculate DC and AC power.
Content
- Y- and deltatransformations
- complex numbers
- AC sine function
- calculation of AC circuits
- the power in DC and AC circuits
Evaluation scale
H-5
Assessment criteria, satisfactory (1)
Has the skill to transform between Y- and delta circuits
Has the skill to transform complex numbers between rectangular and polar form
Has the skill to calculate the frequency/period and angular frequency
Understands the importance of phase shift between current and voltage
Knows the relationship between active, reactive and apparent power
Assessment criteria, good (3)
Has an understanding of the relationship between rectangular and polar form
Has the skill to illustrate the relationship between time- and circular charts
Masters the calculation of the impedance of simple series and parallel circuits
Masters the calculation of the power of simple series and parallel circuits
Assessment criteria, excellent (5)
Can explain the relationship formulas
Has the skill to calculate the alternating quantities’ instantaneous values
Has the skill to calculate the quantities’ instantaneous values of reactive components
Knows the principles for power adjustment and phase compensation
Qualifications
No prerequisites