Description

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Program

Bachleor Degree in Marine Engineering

Objectives

  • •To give Marine Engineering students an integrated treatment of the essentials of power systems on board ships, and to cover the main topics of electric ship design.

Textbook

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Course Content

content serial Description
1Elements of Power Systems: Classification of Power Systems Zones. Generators. Transformers. Bus Bars. Distribution Circuits. Motors. Cables
2DC Radial Distributors with Concentrated Loads: Kinds of dc distributors. Voltage and current profiles of dc distributors fed from one end. Effect of feeding from both ends. Uniformly Loaded distributors: Uniformly loaded distributors. Power loss in uniformly loaded distributors
3D.C. Three Wire Distributors: Advantages of three wire distributor compared with two wire distributor. Three wire distributor balancing set. Voltage and power loss in three wire distributors. DC Ring Distributor: DC ring distributor sector currents and voltage . Effect of interconnection. Economic aspects and distributors comparison.
4AC Radial Distributors: A.C. radial distributor analysis and vector diagram. Power factor correction and its effect on distribution voltage profile AC Ring Distributor: A.C. ring distributor currents and voltages
5Cables: Classification of cables. Cables construction. Cable capacitance
6Per-unit system: Single phase system. Three phase system. Transformers representation in power system Symmetrical faults: Circuit transients. Power system three phase short circuit. Behavior of Synchronous machine during three phase short circuit. The impedance diagram. Short circuit level.
7Protection elements (1): Classification of protection according to . Characteristics and kinds of protective fuses. Characteristics and kinds of circuit breakers Protection elements (2): Instrument transformers, kind and applications. Choice of current transformers, Characteristics of over current relays+7th Week Exam.
8Review of ship definitions, types, dimensions, capacities, general arrangements…etc.
9Resistance and propulsion, hull resistance, propulsion, propulsion chains, power demand.
10Type of energy, energy conversion, overview of energy conversion, energy flow diagram.
11Power plant concepts, mechanical concepts, redundancy, engine room layout.
12Overview of main machinery, prime movers, marine fuels, transmission components, electrical components, propulsors +12th Week Exam.
13Propeller performance, open water diagram, four quadrant diagrams, CP propellers
14Matching propulsion engine to propellers, basic matching, and transformation of ship resistance to engine brake power, off design conditions, simplified method of calculations, applications and exercise.
15Effects on ship design and performance, All Electric Ship AES Case study.
16Final Exam.

Markets and Career

  • Generation, transmission, distribution and utilization of electrical power for public and private sectors to secure both continuous and emergency demands.
  • Electrical power feeding for civil and military marine and aviation utilities.
  • Electrical works in construction engineering.

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