发明名称 |
SYSTEM AND METHOD FOR ELECTRICAL SHORT DETECTION |
摘要 |
Methods and systems detect short circuits in an electrical system (104), such as a dynamic braking grid of a vehicle. The methods and system measure a characteristic of a current that is conducted through one or more resistive elements (202) of an electrical system (104). The current is supplied to the electrical system (104) from a power source (102) as an applied voltage. A resistance change signal representative of a change in one or more electrical resistances of the one or more resistive elements (202) is determined. The resistance change signal can be based at least in part on a difference between the characteristic of the current that is measured and a low pass filtered value of one or more of the characteristic of the current that is measured or the applied voltage supplied by the power source (102). A short circuit event is identified based at least in part on the resistance change signal. |
申请公布号 |
EP3012641(A2) |
申请公布日期 |
2016.04.27 |
申请号 |
EP20150190838 |
申请日期 |
2015.10.21 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
PREMERLANI, WILLIAM JAMES;YOUNSI, KARIM;WORDEN, BRET DWAYNE;KRAHN, JOHN;CULLEN, DANIEL;KUMAR, AJITH KUTTANNAIR |
分类号 |
G01R31/00;B60L7/02;G01R31/02 |
主分类号 |
G01R31/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|