Overview of Micro-gas Turbines in Electrified Transportation and Their Electric Energy Conversion Technology

doi:10.11985/2022.02.002

Abstract

Abstract:

With the proposal of the “Dual-Carbon Goal” and the continuous growth of demand for energy conservation and emission reduction, heavy-duty vehicles represented by commercial vehicles and military vehicles are also gradually moving towards electrification. However, lithium batteries and diesel generators, which are widely used in conventional vehicles, generally have problems such as low energy density and poor power supply quality, which cannot meet the long-range, high-mobility, and low-noise requirements of the new generation of heavy-duty vehicles. Micro gas turbine systems have received extensive attention and rapid development due to their multi-fuel adaptation, low fuel consumption, low noise, low emissions, and low vibration, and have been successfully applied in many civil and military electrified transportation fields. Focusing on the background of transportation electrification, this paper introduces the important position of micro gas turbine technology in electrified transportation, and focuses on summarizing the power conversion topology and control technology in micro gas turbines. The challenges and urgent problems to be solved are pointed out, and the effects, advantages and disadvantages of the existing electric energy conversion solutions for micro gas turbine applications are pointed out, and the future development direction is summarized and prospected.

Key words: Micro gas turbine, electric energy conversion technology, power density, control method

CLC Number:

TM921

XU He, BAO Xianzhe, WANG Lianjie, LI Chushan, LI Wuhua, ZHAO Menglian. Overview of Micro-gas Turbines in Electrified Transportation and Their Electric Energy Conversion Technology[J]. Journal of Electrical Engineering, 2022, 17(2): 2-18.

Figures/Tables 28

References 60

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序号	部件	成本占比(%)
1	压缩机和涡轮机	13~15
2	燃烧室	8~11
3	轴承	3~4
4	换热器	21~24
5	高速发电机	9~11
6	电力电子和控制单元	22~24
7	外壳和辅机	17~20

序号	部件	成本占比(%)
1	压缩机和涡轮机	25
2	燃烧室	8
3	轴承	1
4	换热器	25
5	高速发电机	5
6	电力电子和控制单元	25
7	外壳和辅机	11

条目	Ballard	Bowman	Capstone	Delta	KEB	Danfoss	Oztek	Celeroton
国家和地区	加拿大	英国	美国	中国台湾	德国	丹麦	美国	瑞士
变流器拓扑	2L	2L	2L	2L	2L	2L	2L/3L	2L/3L/PAM
功率器件	IGBTs	IGBTs	IGBTs	IGBTs	IGBTs	IGBTs	IGBTs	IGBT/ SiC
开关频率/kHz	4~8	8	未知	6~9	8~16	12	20	20~40
最大基波频率/Hz	未知	未知	未知	600	1200	600	1000	未知
功率等级/kW	10~110	60, 80	未知	全范围覆盖	50~250 kV·A	全范围覆盖	30~200 kV·A	20~50 kV·A
冷却方式	水冷	强制风冷	强制风冷	强制风冷	水冷	强制风冷	水冷	水冷
LC滤波器体积	大	大	大	大	大	大	较小	较小

条目	KEB	Danfoss	Oztek	Delta	Zinsight
功率等级/kW	200	200	160	200	220
尺寸/mm	2 200×2 000×600	2 200×3 000×600	1 200×700×450	2 200×3 500×600	1 100×700×450