发明名称 |
METHOD AND APPARATUS FOR OFF-LINE TESTING OF MULTI-PHASE ATERNATING CURRENT MACHINES |
摘要 |
A method and apparatus are provided for off-line testing of a multi-phase alternating current machine. A method includes determining, at a first rotor position, a physical stator quantity of each stator winding by applying a test signal to each stator winding, and determining a first joint physical stator quantity by summing the determined physical stator quantities of the stator windings. A method includes determining, at a second rotor position, a physical stator quantity of each stator winding by applying a test signal to each stator winding, determining a second joint physical stator quantity by summing the determined physical stator quantities of the stator windings, comparing the second joint physical stator quantity with a previously determined first joint physical stator quantity, and determining a fault condition of said multi-phase alternating current machine if the first joint physical stator quantity differs from the second joint physical stator quantity. |
申请公布号 |
US2015130504(A1) |
申请公布日期 |
2015.05.14 |
申请号 |
US201514604078 |
申请日期 |
2015.01.23 |
申请人 |
SUBSEE RAA AB |
发明人 |
COP Boris |
分类号 |
G01R31/34;G01R27/02 |
主分类号 |
G01R31/34 |
代理机构 |
|
代理人 |
|
主权项 |
1. A method for off-line testing of a multi-phase alternating current machine, which machine comprises at least two stator windings, and a rotor arranged along a rotation axis, which method comprises:
determining, at a first rotor position, a physical stator quantity of each stator winding by applying a test signal to each stator winding, and determining a first joint physical stator quantity by summing the determined physical stator quantities of the stator windings. |
地址 |
Raa SE |