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 EPE 2001 - Topic 11d: Reliability 
 You are here: EPE Documents > 01 - EPE & EPE ECCE Conference Proceedings > EPE 2001 - Conference > EPE 2001 - Topic 11: SYSTEMS ENGINEERING > EPE 2001 - Topic 11d: Reliability 
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   Challenges and limitations of All Electric Ship Designs 
 By A.J.Blokland; E. van Dijk 
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Abstract: Enhanced safety requirements and tight economical benefits influence the merchant ship design. Life cycle costs, survivability aspects and robust design play an important role in naval architecture for the Royal Netherlands Navy (RNlN). New developments in power electronics and drives make it possible to improve the reliability of the platform and reduce life cycle costs of new ship designs. The impact in the ship design is evaluated by replacing the conventional energy system by new All Electric Ship (AES) concepts. Following lessons learned during the design and commissioning of the integrated electrical system of the PLD HNlMS Rotterdam and new hydrographic vessels a comparative analysis of the stability, EMC and load management in electrical distribution configurations is given. This paper presents a survey of the influence on reliability, life cycle costs and technical consequences applying power electronics in electrical energy naval ship system designs.

 
   Power Systems Reinforcement Based On Reliability Evaluation 
 By N. Yorukeren; S. Ozturk 
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Abstract: The basic function of a power system is to supply electrical energy for customers with electrical energy as economically as possible and with an acceptable degree of reliability and quality. Reliability evaluation involves the joint analysis of the generation, transmission and distribution facilities and is an important aspect in the planning and operation of the power systems. When large power systems are studied it is very useful to develop a technique for reinforcement based on reliability evaluation for parts of the systems. In this study, a probabilistic function representing the loss of revenue due to service interruption is proposed. Also a technique based on sensitivity of this function to the FORs (Forced Outage Rates) of system components is presented to carry out the reinforcement.