Course content

• Electrical and diesel electrical propulsion.
• Battery technology
• Shore connection and induction charging
• Synchronous machine with regulation
• Asynchronous machine with starting equipment
• Emergency power supply
• Transient responses in ac machines
• Techno-economic operation and investments
• Power flow and short-circuit calculation
• Distribution systems and voltage levels
• Rotational speed statics and voltage statics
• Selectivity
• Equipment and instrumentation for synchronization and load distribution
• Frequency converters
• Electromagnetic noise
• Introduction to regulations and standards for marine electrical power systems

Learning outcome

Learning outcomes - Knowledge:

After completion of the course, you should have: 

• acquired knowledge about the structure of an electrical power system aboard ships and marine vessels 
• developed knowledge about different electric machines and their uses in shipboard electrical power systems 
• acquired knowledge about transient responses in synchronous and asynchronous machines 
• acquired knowledge about protection systems and selectivity in shipboard electrical power systems 
• acquired knowledge about regulations and specifications for installation, operation, documentation and maintenance of electrical power systems aboard ships and marine vessels 
• acquired knowledge about different battery types and the most import battery parameters, and developed some knowledge about the practical usage of batteries in ships and marine vessels 
• developed knowledge about techno-economic analysis of electrical components aboard ships 
• developed knowledge about unbalanced faults in electrical power system in general and in ac machines specifically, and how to analyze them using symmetrical components 
• developed knowledge about load sharing between static sources and ac generators 
• acquired knowledge about relevant software for steady-state and transient analysis of electrical power systems, and developed some practical knowledge on how to use them 

Learning outcomes - Skills:

After completion of the course, you should be able to: 

• Interpret and develop a single-line diagram of shipboard electrical power systems 
• Analyze issues and come with solutions regarding the structure of shipboard electrical power systems (power flow, short-circuit and selectivity analysis) 
• Complete and document (write technical reports from) measurements in shipboard electrical power systems 
• determine the most economic choice of electrical power equipment based on present value calculations and efficiencies 

Learning outcomes - Competence:

After completion of the course, you should have developed: 

• Fundamental comprehension of the structure of a shipboard electrical power system and its components 
• Competence in steady-state and transient calculations and analysis of shipboard electrical power systems (by hand and relevant software). 
• Competence in planning protection systems for selective disconnection of faults in shipboard electrical power systems 
• Competence in simplified design of battery systems based on lifetime and the power and energy demand of the ship 

Learning methods and activities

Lectures, laboratory work, exercises, project and field trips.

Compulsory assignments

• Oblig

Specific conditions

Recommended previous knowledge

IELEA2120 Electrical Machines and Electromagnetic Energy Conversion

IELEA2118 Electric Power Transmission and Distribution