Vibration Monitoring of a Magnetic Element in an Electrical Machine
2 Assignments
0 Petitions
Accused Products
Abstract
An electrical machine is described including two moving elements, of which a first moving element is a stator of the electrical machine and the other moving element is a rotor of the electrical machine. Attached to one of the moving elements is a magnetic element which interacts with a magnetic flux in the electrical machine during operation. Further, a sensor is provided for measuring a vibrational quantity of the electrical machine and a control unit is configured for detecting a displacement of the magnetic element on the basis of the measured vibrational quantity. The electrical machine may be a generator or a motor.
16 Citations
15 Claims
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1-7. -7. (canceled)
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8. An electrical machine, comprising:
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a first moving element forming a stator of the electrical machine; a second moving element forming a rotor of the electrical machine and movable with respect to the first moving element; a magnetic element attached to the first moving element, the magnetic element interacting with the magnetic flux in the electrical machine; a sensor for measuring a vibrational quantity of the electrical machine; and a control unit for detecting a displacement of the magnetic element on the basis of the measured vibrational quantity. - View Dependent Claims (9, 10, 11, 12)
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13. A method for operating a control unit of an electrical machine, the method comprising:
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receiving an input signal indicative of a vibrational quantity of the electrical machine; detecting a displacement of a magnetic element of the electrical machine in response to the receiving the input signal; and providing an output signal in response to a detected displacement of the magnetic element. - View Dependent Claims (14, 15)
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Specification