Study Guide

Objective

The student:
- knows about switchgears, measuring transformers and work protection in electrical stations
- knows and is able to calculate short-circuit effects and currents
- knows about the impact of reactive power on the electrical network and how to compensate for it
- knows the control of electrical power.

Content

Switchgear and power stations.
Short-circuit currents and short-circuit power.
Compensation.
Control of electrical power..

Materials

Compendia on Moodle.
Relevant literature, like Elkraftshandboken..

Evaluation scale

H-5

Assessment criteria, satisfactory (1)

Knows different switchgear and general equipment as well as distribution transformers.
Knows how the short-circuit current is propagated.
Knows about the effect of the reactive power on the net.
Knows different control options.

Assessment criteria, good (3)

Understands the use of current and voltage transformers and other equipment and work protection.
Can calculate short-circuit current, short-circuit power and earth-current current.
Capable of sizing capacitor battery and choke.
Understands the control principle from the control center.

Assessment criteria, excellent (5)

Can design appliances and busbar systems for switchgear and observe work protection when working in switchgear and power stations.
Can calculate short-circuit current and short-circuit power over transformer.
Understands the use of automatic battery and the risk of overcompensation.
Understands the principle of TCP / IP control.

Qualifications

The course Basics in Electrical Engineering, AC.