Abstract: A first aspect of the invention provides an apparatus to indicate an amplitude of an uneven measurement surface. The apparatus may include a frame slidingly supporting a set of pins, each pin including a high point stop and a low point stop; a low point isolator member moveable relative to the frame, the low point isolator member indicating a lowest point of the uneven measurement surface by a respective low point stop of a first; a high point isolator member moveable relative to the frame, the high point isolator member indicating a highest point of the uneven measurement surface by a respective high point stop of a second pin; a low point displacement sensor for identifying a low point displacement; a high point displacement sensor for identifying a high point displacement; and a calculator for calculating a difference between the low point displacement and the high point displacement.

Abstract: A first aspect of the invention provides an apparatus to indicate an amplitude of an uneven measurement surface. The apparatus may include a frame slidingly supporting a set of pins, each pin including a high point stop and a low point stop; a low point isolator member moveable relative to the frame, the low point isolator member indicating a lowest point of the uneven measurement surface by a respective low point stop of a first; a high point isolator member moveable relative to the frame, the high point isolator member indicating a highest point of the uneven measurement surface by a respective high point stop of a second pin; a low point displacement sensor for identifying a low point displacement; a high point displacement sensor for identifying a high point displacement; and a calculator for calculating a difference between the low point displacement and the high point displacement.

Abstract: A system is provided for inserting a ripple spring includes a compression board having at least one groove, and the compression board has a ramped section at one end thereof. A driver board has at least one guide rail configured to fit inside the at least one groove. An impact tool is configured to engage the driver board and apply a driving force to the driver board. The compression board is configured to at least partially retain the ripple spring and the ramped section is configured to apply a compressive force to the ripple spring as the impact tool and driver board push the ripple spring over the ramped section.

Abstract: A condition monitoring method for an electrical machine is provided. The method includes providing at least one first sensor element embedded in or disposed on at least one substrate element located in a stator core for obtaining a first set of data. The method also includes providing at least one second sensor element for obtaining a second set of data from the electrical machine. Further, the method includes generating signals indicative of changes in characteristics of the first sensor element based on the second set of data. Finally, the method includes refining the first set of data by combining the first set of data with the generated signals.

Abstract: A system for monitoring tightness of stator windings in an electric machine is provided. The system includes a light source for providing an optical power. The system also includes an optical separation sensor situated in a stator core and including an optical interface element for absorbing some of the optical power. Further, the system includes a power meter for measuring at least one intensity of the optical power after absorption by the optical interface element and a control subsystem for assessing the tightness of the stator windings.

Abstract: A system is provided for inserting a ripple spring includes a compression board having at least one groove, and the compression board has a ramped section at one end thereof. A driver board has at least one guide rail configured to fit inside the at least one groove. An impact tool is configured to engage the driver board and apply a driving force to the driver board. The compression board is configured to at least partially retain the ripple spring and the ramped section is configured to apply a compressive force to the ripple spring as the impact tool and driver board push the ripple spring over the ramped section.

Abstract: A deflection measurement probe includes a body portion having a cavity defined by the body portion, a first positional measurement sensor disposed in the cavity of the body portion, the first positional measurement sensor including a sensor tip extending from the body portion operative to contact a measurement surface, and a second positional measurement sensor disposed in the cavity of the body portion, the first positional measurement sensor including a sensor tip extending from the body portion operative to contact a measurement surface.

Abstract: A method and apparatus is provided for compressing the lamination stack for a dynamoelectric machine. The apparatus includes a plurality of weight distribution plates and a plurality of pressing plates. The plurality of weight distribution plates are placed on one end of the lamination stack of the dynamoelectric machine. The plurality of pressing plates are placed on the plurality of weight distribution plates. A compressive force is applied to the lamination stack via the plurality of weight distribution plates and the plurality of pressing plates.

Abstract: A system for monitoring tightness of stator windings in an electric machine is provided. The system includes a light source for providing an optical power. The system also includes an optical separation sensor situated in a stator core and including an optical interface element for absorbing some of the optical power. Further, the system includes a power meter for measuring at least one intensity of the optical power after absorption by the optical interface element and a control subsystem for assessing the tightness of the stator windings.

Abstract: A system for monitoring health of an electrical machine is provided. The system includes at least one sensor element embedded in at least one substrate element located in a stator core. The system further includes a measuring subsystem coupled to the at least one sensor element and configured to monitor the health based on changes in electromagnetic characteristics of the sensor element due to changes in force acting on the substrate element or compression of the substrate element.

Abstract: A condition monitoring method for an electrical machine is provided. The method includes providing at least one first sensor element embedded in or disposed on at least one substrate element located in a stator core for obtaining a first set of data. The method also includes providing at least one second sensor element for obtaining a second set of data from the electrical machine. Further, the method includes generating signals indicative of changes in characteristics of the first sensor element based on the second set of data. Finally, the method includes refining the first set of data by combining the first set of data with the generated signals.

Abstract: A method and apparatus are provided for compression of a lamination stack for a dynamoelectric machine. The apparatus includes a plurality of hanger brackets attached to a face frame, a plurality of force application tubes secured to the brackets, a plurality of force applying rams located beneath the force application tubes, a plurality of pressing plates located beneath the force applying rams, and a plurality of weight distribution plates located beneath the pressing plates. A compressive force is applied to the lamination stack by the force applying rams via the pressing plates and weight distribution plates.

Abstract: A deflection measurement probe includes a body portion having a cavity defined by the body portion, a first positional measurement sensor disposed in the cavity of the body portion, the first positional measurement sensor including a sensor tip extending from the body portion operative to contact a measurement surface, and a second positional measurement sensor disposed in the cavity of the body portion, the first positional measurement sensor including a sensor tip extending from the body portion operative to contact a measurement surface.

Abstract: A method and apparatus is provided for compressing the lamination stack for a dynamoelectric machine. The apparatus includes a plurality of weight distribution plates and a plurality of pressing plates. The plurality of weight distribution plates are placed on one end of the lamination stack of the dynamoelectric machine. The plurality of pressing plates are placed on the plurality of weight distribution plates. A compressive force is applied to the lamination stack via the plurality of weight distribution plates and the plurality of pressing plates.

Abstract: A method and apparatus are provided for compression of a lamination stack for a dynamoelectric machine. The apparatus includes a plurality of hanger brackets attached to a face frame, a plurality of force application tubes secured to the brackets, a plurality of force applying rams located beneath the force application tubes, a plurality of pressing plates located beneath the force applying rams, and a plurality of weight distribution plates located beneath the pressing plates. A compressive force is applied to the lamination stack by the force applying rams via the pressing plates and weight distribution plates.

Abstract: A system for monitoring health of an electrical machine is provided. The system includes at least one sensor element embedded in at least one substrate element located in a stator core. The system further includes a measuring subsystem coupled to the at least one sensor element and configured to monitor the health based on changes in electromagnetic characteristics of the sensor element due to changes in force acting on the substrate element or compression of the substrate element.

Abstract: A method and aqueous composition are provided for removing at least a portion of a coating from the surface of a substrate. The coating comprises an insulative material, and is contacted with an aqueous composition. The aqueous composition comprises dimethyl formamide.

Abstract: A method and aqueous composition are provided for removing at least a portion of a coating from the surface of a substrate. The coating comprises an insulative material, and is contacted with an aqueous composition. The aqueous composition comprises dimethyl formamide.