ONBOARD ENERGY STORAGE SYSTEMS Ground-Fault Detection and Protection

被引：0
|
作者：
Krause, Jason [1 ]
McPhee, John [1 ]
机构：
[1] LTK Engn Serv, Vehicle Syst Grp, Portland, OR 97204 USA
来源：
IEEE VEHICULAR TECHNOLOGY MAGAZINE | 2018年 / 13卷 / 01期
关键词：
D O I：
10.1109/MVT.2017.2783619
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Cities and transit authorities are procuring hybrid streetcars with onboard energy storage systems (OESSs). The energy storage system needs to be protected from both external and internal ground faults that may transfer to the vehicle. A hybrid streetcar has an OESS consisting of lithium batteries or supercapacitors, with an OESS converter connected to, or integrated with, the traction inverter. During a ground fault of the high-voltage (HV) circuit, the freewheeling diode in an OESS charger creates a fault path between the energy storage elements and the ground. © 2018 IEEE.
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页码：114 / 119
页数：6
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