| 摘要 |
PURPOSE: An experimental slip ring is provided to prevent a result data error occurring by a friction loss due to a slip ring when measuring a rotating body. CONSTITUTION: An experimental slip ring comprises: an auxiliary driving motor(20) mounted on a side of a slip ring(10) for a torque due to a friction of a brush(11) and a rotor shaft(12) not to have an influence on a measured object, wherein the driving motor(20) is supplied with electric power from an electric power supply part(30) and the driving motor(20) includes a coil(21) and a permanent magnets(22), to thereby obtain an exact experiment data.
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