METHODS AND DEVICES FOR LOW SPEED LOW TORQUE TESTING OF A ROTOR IN A TURBOMACHINERY
First Claim
1. A turbomachinery, comprising:
- a rotor; and
a starting apparatus configured to be connected to the rotor, and includinga torque generator device configured to generate a torque to be transmitted to the rotor; and
a controller connected to the torque generator device and configured to automatically (i) control the torque generator device to output a gradually increasing torque, (ii) monitor a speed of the rotor while the torque is gradually increased, and (iii) output an indication that the rotor is free to rotate after the speed of the rotor becomes positive, or to output an indication that the rotor is locked when the speed of the rotor remains zero and the torque has reached a predetermined torque value.
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Accused Products
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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Citations
10 Claims
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1. A turbomachinery, comprising:
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a rotor; and a starting apparatus configured to be connected to the rotor, and including a torque generator device configured to generate a torque to be transmitted to the rotor; and a controller connected to the torque generator device and configured to automatically (i) control the torque generator device to output a gradually increasing torque, (ii) monitor a speed of the rotor while the torque is gradually increased, and (iii) output an indication that the rotor is free to rotate after the speed of the rotor becomes positive, or to output an indication that the rotor is locked when the speed of the rotor remains zero and the torque has reached a predetermined torque value. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A starting apparatus configured to start a turbomachinery, the starting apparatus comprising:
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a torque generator device configured to generate a torque to be transmitted to a rotor of the turbomachinery; and a controller connected to the torque generator device and configured (i) to control the torque generator device to output a gradually increasing torque, (ii) to monitor a speed of the rotor while the torque is gradually increased; and
(iii) to output an indication that the rotor is free to rotate after the speed of the rotor becomes positive, or to output an indication that the rotor is locked when the speed of the rotor remains zero and the torque has reached the predetermined torque value.
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9. A method of performing a low torque test to determine whether a rotor in a turbomachinery is free to rotate, the method comprising:
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automatically applying a gradually increasing torque to the rotor; monitoring a speed of the rotor while the torque is gradually increased; and 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 a predetermined torque value. - View Dependent Claims (10)
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Specification