Study Guide

Objective

The student:
- knows and is able to calculate how the electric field strength is distributed when combining different insulating materials
- knows and is able to describe different electrical phenomena that can occur in different types of insulating material
- knows and is able to describe how different insulating materials are ageing, and how this can be monitored
- knows and is able to describe how different overvoltages occur, and how to protect electrical equipment against them
- knows and is able to choose equipment for testing and measuring high voltages.

Content

Insulators in electric fields.
Electric discharges.
Isolation process of ageing.
Overvoltage surges.
Test and measurement technology.

Materials

Compendiums on Moodle.
Relevant textbooks, such as Elkrafthandboken.

Evaluation scale

H-5

Assessment criteria, satisfactory (1)

Knows how the electric field strength is distributed when combining different insulating materials.
Knows different discharge phenomena that can occur in different types of insulating materials.
Knows how different insulating materials become obsolete, and how the aging process can be monitored.
Knows how different surges occur, and how different electrical equipment can be protected against these surges.
Knows equipment for testing and measuring high voltages.

Assessment criteria, good (3)

Can calculate how the electric field strength is distributed when combining different insulating materials.
Can describe different discharge phenomena that can occur in different types of insulating materials.
Can describe how different insulating materials become obsolete, and how the aging process can be monitored.
Can describe how different surges occur, and how different electrical equipment can be protected against these surges.
Can select and describe equipment for testing and measuring high voltages.

Assessment criteria, excellent (5)

Can calculate different sizes for more complex insulation arrangements.
Can make a detailed description of different discharge phenomena that can occur in different types of insulating materials.
Can make a detailed description of how different insulating materials become obsolete, and how the aging process can be monitored.
Can make a detailed description of how different surges occur, and how different electrical equipment can be protected against these surges.
Can select and describe equipment for testing and measuring high voltages, and describe the accuracy.

Qualifications

The course Electric Power Utilization.