Electromechanical Power Conversion Technologies in Vessel Integrated Power System

Abstract

Abstract:

Integrated power system (IPS) technology is another profound revolution for ship power platform since its birth, the US-led multinational navy now is rushing to occupy this high ground. In 2013, USS destroyer DDG1000 using the first generation of integrated power technology officially launched, showing unparalleled advantages in all aspects compared with traditional ship power platform. Our country proposed medium voltage DC technology roadmap for the first time, 4-5 years ahead of the US and Britain, breaking the typical ‘tracking and imitation’ pattern in equipment development and win precious time for catching up with the US and European powers in developing naval equipment. Electromechanical energy conversion equipment as the core of ship-board integrated power system, also exhibits difference from conventional ones on key technologies. This paper briefly reviews the overall situation of IPS development at home and abroad, and then focuses on technical characteristics of the ship power generation, propulsion, the storage subsystem, systematically elaborated on our country’s key progress achieved in motor design and electromagnetic optimization, control strategy, innovative cooling, structural design and manufacturing solutions, which laid a solid foundation for application of integrated power technology.

Key words: Vessel integrated power system, electrical propulsion, energy management system, electromagnetic optimization, magnetic material

CLC Number:

TM341

Ma Weiming. Electromechanical Power Conversion Technologies in Vessel Integrated Power System[J]. Journal of Electrical Engineering, 2015, 10(4): 3-10.

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组成分系统		一代IPS	二代IPS
发电分系统		中压交流工频同步发电	高速集成中压整流发电
输电分系统		中压交流工频输电	中压直流输电
变配电分系统		交流变压器或直流区域变配电装置	直流区域变配电装置
推进分系统	推进变频器	基于IGBT/IGCT的推进变频器	基于高度集成组件或 SiC的推进变频器
推进分系统	推进电机	先进感应电机	永磁或高温超导电机
储能分系统		无	超级电容、集成式惯性储能或复合储能
能量管理分系统		基本型能量管理系统	智能型能量管理系统

参数	数值
输出功率/ MW	20
转矩密度/ (kN/m²)	100
效率	≥96.5%
转速/ (r/min)	18~18
体积功率密度/ (kW/m³)	561.2
重量/t	89
冷却方式	空冷
长/m	3.3
宽/m	3.6
高/m	3

参数	数值
排水量/t	14 564
最大航速	30节
电站总功率/MW	78
推进功率/MW	2×34.6