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State of the art in electric propulsion — viewpoint on redundancy 电力推进技术的发展现状——冗余的观点
2009 IEEE Electric Ship Technologies Symposium Pub Date : 2009-04-20 DOI: 10.1109/ESTS.2009.4906558
S. Kanerva, J. Hansen
{"title":"State of the art in electric propulsion — viewpoint on redundancy","authors":"S. Kanerva, J. Hansen","doi":"10.1109/ESTS.2009.4906558","DOIUrl":"https://doi.org/10.1109/ESTS.2009.4906558","url":null,"abstract":"Available solutions for redundancy in electric propulsion are outlined, emphasizing their benefits and drawbacks. Two different state-of-the art solutions of redundant electric propulsion are presented. The first example is a cruise ship with two azimuthal thrusters, both of which are equipped with 18 to 21 MW dual-stator synchronous motors and driven by two voltage source inverters (VSI) in a redundant configuration. The phase shift between the stator windings in each motor is 30 degrees, and the motors can also operate with only one stator system in case that another system is lost. The second example is LNG carriers, where one propeller is driven through a gearbox by two 12 to 15 MW dual-stator synchronous motors. The motors are supplied by VSI-type frequency converters with double inverter units and supply units, allowing each motor to operate in half power mode in case of a fault in any of these modules. The both configurations provide 75% redundancy in case of the most common single faults without notably increasing the cost and complexity of the system.","PeriodicalId":446953,"journal":{"name":"2009 IEEE Electric Ship Technologies Symposium","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115628495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
A Medium Voltage DC Testbed for ship power system research 船舶电力系统中压直流试验台研究
2009 IEEE Electric Ship Technologies Symposium Pub Date : 2009-04-20 DOI: 10.1109/ESTS.2009.4906567
M. Bash, R. R. Chan, J. Crider, C. Harianto, J. Lian, J. Neely, S. Pekarek, S. Sudhoff, N. Vaks
{"title":"A Medium Voltage DC Testbed for ship power system research","authors":"M. Bash, R. R. Chan, J. Crider, C. Harianto, J. Lian, J. Neely, S. Pekarek, S. Sudhoff, N. Vaks","doi":"10.1109/ESTS.2009.4906567","DOIUrl":"https://doi.org/10.1109/ESTS.2009.4906567","url":null,"abstract":"Medium voltage dc distribution systems are currently of interest for future naval warships. In order to provide hardware validation for research associated with the development of these systems, a low power Medium Voltage DC Testbed (MVDCT) is being constructed. This paper documents the system being constructed and provides some initial test results.","PeriodicalId":446953,"journal":{"name":"2009 IEEE Electric Ship Technologies Symposium","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125130443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 72
A linear programming approach to shipboard electrical system modeling 船舶电气系统建模的线性规划方法
2009 IEEE Electric Ship Technologies Symposium Pub Date : 2009-04-20 DOI: 10.1109/ESTS.2009.4906524
R. R. Chan, S. Sudhoff, Yonggon Lee, E. Zivi
{"title":"A linear programming approach to shipboard electrical system modeling","authors":"R. R. Chan, S. Sudhoff, Yonggon Lee, E. Zivi","doi":"10.1109/ESTS.2009.4906524","DOIUrl":"https://doi.org/10.1109/ESTS.2009.4906524","url":null,"abstract":"Operability and dependability metrics can be a valuable tool in early ship design by providing a quantitative analysis of the robustness of the ship's integrated engineering plant (IEP). However, the use of these metrics involves large numbers of time domain simulations of the IEP. The simulation of such a complex system, which includes electrical and thermal subsystems, can be problematic in terms of computational efficiency. In this paper, a simplified modeling approach based on the fundamental power limitations is set forth. The power flow problem is posed as a linear programming problem which is solved using a simplex method.","PeriodicalId":446953,"journal":{"name":"2009 IEEE Electric Ship Technologies Symposium","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125786836","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
Power split e-CVT ship propulsion system 动力分流e-CVT船舶推进系统
2009 IEEE Electric Ship Technologies Symposium Pub Date : 2009-04-20 DOI: 10.1109/ESTS.2009.4906559
C. Rossi, P. Corbelli, L. Zarri, D. Casadei
{"title":"Power split e-CVT ship propulsion system","authors":"C. Rossi, P. Corbelli, L. Zarri, D. Casadei","doi":"10.1109/ESTS.2009.4906559","DOIUrl":"https://doi.org/10.1109/ESTS.2009.4906559","url":null,"abstract":"This paper investigates the possibility to use a power split e-CVT as the core of a vessel power management unit which is able to produce both mechanical power for driving the propeller shaft, and electrical energy for the onboard electric power system. The proposed power split e-CVT transmission for ship propulsion must guarantee all the features given by traditional drivelines based on pure mechanical systems. In addition, extra features are expected from the new system: saving in weight, volume and cost of the overall driveline, increasing the speed-power range regulation capability of the system, introducing new operating mode (i.e. pure electric operation of a ship), increasing the efficiency of the overall conversion system.","PeriodicalId":446953,"journal":{"name":"2009 IEEE Electric Ship Technologies Symposium","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125924509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Integration of a bi-directional dc-dc converter model into a large-scale system simulation of a shipboard MVDC power system 将双向dc-dc变换器模型集成到舰船MVDC电力系统的大规模系统仿真中
2009 IEEE Electric Ship Technologies Symposium Pub Date : 2009-04-20 DOI: 10.1109/ESTS.2009.4906531
Il-Yop Chung, Wenxin Liu, M. Andrus, K. Schoder, S. Leng, D. Cartes, M. Steurer
{"title":"Integration of a bi-directional dc-dc converter model into a large-scale system simulation of a shipboard MVDC power system","authors":"Il-Yop Chung, Wenxin Liu, M. Andrus, K. Schoder, S. Leng, D. Cartes, M. Steurer","doi":"10.1109/ESTS.2009.4906531","DOIUrl":"https://doi.org/10.1109/ESTS.2009.4906531","url":null,"abstract":"To improve energy flexibility and deal with peak energy demand in shipboard power system, a bi-directional dc/dc converter is investigated for a notional U.S. Navy Medium Voltage DC (MVDC) shipboard power system. Surplus energy due to light electric load or ship-speed variation can be captured by energy storages distributed in 800 V load zones and during heavy load or black starting condition, supplied to the rest of the 5 kV MVDC system through the bi-directional dc/dc converters. This paper presents the controller optimization process using the particle swarm optimization for an isolated-type bi-directional dc-dc converter. The control performance of the proposed controller is evaluated using small-signal average models and a large-scale simulation of the notional U.S. Navy MVDC system using the real-time digital simulator.","PeriodicalId":446953,"journal":{"name":"2009 IEEE Electric Ship Technologies Symposium","volume":"105 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122551385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 49
Investigation of accelerating numerical-field analysis methods for electric machines with the incorporation of graphic-processor based parallel processing techniques 结合图形处理器并行处理技术的电机加速数值场分析方法研究
2009 IEEE Electric Ship Technologies Symposium Pub Date : 2009-04-20 DOI: 10.1109/ESTS.2009.4906494
A.J. Adzima, P. Krein, T. O'Connell
{"title":"Investigation of accelerating numerical-field analysis methods for electric machines with the incorporation of graphic-processor based parallel processing techniques","authors":"A.J. Adzima, P. Krein, T. O'Connell","doi":"10.1109/ESTS.2009.4906494","DOIUrl":"https://doi.org/10.1109/ESTS.2009.4906494","url":null,"abstract":"This paper assesses the application of parallel methods to graphic processing units to solve electric-machine field-analysis problems. Current serial-solving techniques do not allow for real time simulation, and waiting for the computational capability to improve enough does not seem practical. The background of graphic-processing-unit based programming that incorporates parallel programming techniques is explored and shown to be an alternative approach for accelerating existing numerical-field analysis techniques. With the advent of C-based coding languages for graphic processing units, existing MATLAB routines can be transitioned to parallel methods by porting functions. Finally, the issues associated with utilizing these techniques are explored in a boundary-element based field-analysis problem.","PeriodicalId":446953,"journal":{"name":"2009 IEEE Electric Ship Technologies Symposium","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128485921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Dynamic load shedding for shipboard power systems using the non-intrusive load monitor 采用非侵入式负荷监视器的船舶电力系统动态减载
2009 IEEE Electric Ship Technologies Symposium Pub Date : 2009-04-20 DOI: 10.1109/ESTS.2009.4906545
Arun Shrestha, Edward L. Foulks, Robert W. Cox
{"title":"Dynamic load shedding for shipboard power systems using the non-intrusive load monitor","authors":"Arun Shrestha, Edward L. Foulks, Robert W. Cox","doi":"10.1109/ESTS.2009.4906545","DOIUrl":"https://doi.org/10.1109/ESTS.2009.4906545","url":null,"abstract":"This paper presents a dynamic load-shedding scheme that uses a network of non-intrusive load monitors (NILMs). These devices, which can monitor the status of multiple loads using only a single set of aggregate voltage and current transducers, can log important real-time information about individual loads. This information can be used as part of a dynamic load-shedding scheme. The proposed approach is tested using a simulation model constructed in the alternative transients program (ATP). Results demonstrate its effectiveness.","PeriodicalId":446953,"journal":{"name":"2009 IEEE Electric Ship Technologies Symposium","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128739201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 21
Feasibility study of noise pattern analysis based ground fault locating method for ungrounded DC shipboard power distribution systems 基于噪声模式分析的船舶直流配电系统接地故障定位方法的可行性研究
2009 IEEE Electric Ship Technologies Symposium Pub Date : 2009-04-20 DOI: 10.1109/ESTS.2009.4906488
Yan Pan, M. Steurer, T. Baldwin
{"title":"Feasibility study of noise pattern analysis based ground fault locating method for ungrounded DC shipboard power distribution systems","authors":"Yan Pan, M. Steurer, T. Baldwin","doi":"10.1109/ESTS.2009.4906488","DOIUrl":"https://doi.org/10.1109/ESTS.2009.4906488","url":null,"abstract":"A novel fault locating approach based on noise pattern analysis which utilizes the noise caused by the repetitive switching actions of power electronic converters to solve the difficult fault location problem for ungrounded DC shipboard power distribution systems was previously presented. This paper explores the feasibility of the method in terms of noise level when filtering is applied at the input terminal of the DC-DC converter to attenuate the noise. An investigation based on simulation results from a notional, high-fidelity DC zonal electrical distribution system (DCZEDS) model in PSCAD/EMTDC is first conducted. It reveals that the proposed method remains effective even for a DC system in which the noise level is highly limited and, hence, attenuated. The result is then validated through the analysis based on an experimental small scale DC distribution system which includes shielded power cables and DC-DC converters with low switching frequency to capture the high frequency feature of the notional DCZEDS.","PeriodicalId":446953,"journal":{"name":"2009 IEEE Electric Ship Technologies Symposium","volume":"330 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124652002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Double sided spray cooled bi-directional power conversion module 双面喷冷双向功率转换模块
2009 IEEE Electric Ship Technologies Symposium Pub Date : 2009-04-20 DOI: 10.1109/ESTS.2009.4906517
B. Rowden, D. Trowler, J. Balda
{"title":"Double sided spray cooled bi-directional power conversion module","authors":"B. Rowden, D. Trowler, J. Balda","doi":"10.1109/ESTS.2009.4906517","DOIUrl":"https://doi.org/10.1109/ESTS.2009.4906517","url":null,"abstract":"In this work, a power conversion module (PCM) was packaged and integrated with a double-sided spray cooling system developed to demonstrate vertical thermal management system integration. The parallel design of the power electronics and thermal management system provide the capability for high power density. The spray cooling system designed provides capability for relatively large areas with heat fluxes above 50 W/cm2 using a dielectric fluid like FC72trade.","PeriodicalId":446953,"journal":{"name":"2009 IEEE Electric Ship Technologies Symposium","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121458059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Simulation environment for onboard subsystems of an Electric Ship 电动船舶机载子系统仿真环境
2009 IEEE Electric Ship Technologies Symposium Pub Date : 2009-04-20 DOI: 10.1109/ESTS.2009.4906512
T. Haupt, G. Henley, B. Parihar, N. Schulz
{"title":"Simulation environment for onboard subsystems of an Electric Ship","authors":"T. Haupt, G. Henley, B. Parihar, N. Schulz","doi":"10.1109/ESTS.2009.4906512","DOIUrl":"https://doi.org/10.1109/ESTS.2009.4906512","url":null,"abstract":"This paper describes the progress of applying the Simulation Environment for Onboard Fire and Smoke Propagation Models to models under development by the Electric Ship Research And Development Consortium. The environment dramatically simplifies the use of models making them readily available for non-expert users, such as a sailor. Furthermore, the authors claim that the Simulation Environment may become a platform for transferring research simulation codes developed in academia to operational use at shipyards and Navy facilities.","PeriodicalId":446953,"journal":{"name":"2009 IEEE Electric Ship Technologies Symposium","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127732343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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