Invention Grant
US09157373B2 Methods and devices for low speed low torque testing of a rotor in a turbomachinery 有权
用于涡轮机械中转子的低速低扭矩测试的方法和装置

Methods and devices for low speed low torque testing of a rotor in a turbomachinery
Abstract:
Methods and devices for performing a low torque low speed test to determine whether a rotor of a turbomachinery is free to rotate are provided. A method includes automatically applying a torque to the rotor, the torque gradually increasing up to a predetermined torque value. The method further includes monitoring the speed of the rotor while the torque is gradually increased. The method also includes outputting an indication that the rotor is free to rotate after the speed of the rotor becomes positive, or outputting an indication that the rotor is locked when the speed of the rotor remains zero and the applied torque has reached the predetermined torque value.
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