Patent application number | Description | Published |
20100020470 | SYSTEMS, METHODS, AND APPARATUSES FOR BALANCING CAPACITOR LOAD - Systems, methods, and apparatuses for balancing capacitor load are provided. A system includes a plurality of capacitors, a plurality of respective positive connections and a plurality of respective negative connections that connect each of the plurality of capacitors to at least one power source, where each of the plurality of positive connections has an approximately equal length, and each of the plurality of negative connections has an approximately equal length. | 01-28-2010 |
20100135800 | SYSTEMS AND METHODS FOR DETERMINING THE ANGULAR POSITION OF A WIND TURBINE ROTOR - Certain embodiments of the invention may include systems and methods for determining an angular position of a wind turbine rotor. According to an exemplary embodiment of the invention, the method for determining an angular position of a wind turbine may include measuring tangential acceleration and radial acceleration of the rotor, measuring speed of the rotor, determining rotational tangential acceleration of the rotor based at least in part on the change of rotor speed over time, determining rotational radial acceleration based at least in part on the rotor speed, adjusting the measured tangential acceleration based at least in part on the determined rotational tangential acceleration, adjusting the measured radial acceleration based at least in part on the determined rotational radial acceleration, and determining an angular position of the rotor based at least on the adjusted tangential acceleration and the adjusted radial acceleration. | 06-03-2010 |
20100135801 | SYSTEMS AND METHODS FOR TESTING A WIND TURBINE PITCH CONTROL SYSTEM - Certain embodiments of the invention may include systems and methods for testing a wind turbine pitch control system. According to an exemplary embodiment of the invention, a method for testing a wind turbine pitch control system is provided. The method can include measuring tangential acceleration (At) of a wind turbine rotor, determining pitch angle of one or more turbine blades, and predicting torque applied to the one or more turbine blades based at least in part on the tangential acceleration (At) and the pitch angle. | 06-03-2010 |
20110140430 | Method and System for Providing Increased Turbine Output for Doubly Fed Induction Generator - A system and method for supplying increased frequency supporting current from a doubly fed induction generator (DFIG) to assist in maintaining grid stability is provided. The output capability of a line side converter associated with the DFIG is enhanced by significantly increasing the current handling capacity of electric switches forming the converter. A dynamic brake is also provided across a DC link bus coupling the line side converter to another converter coupled to the rotor of the DFIG. The dynamic brake is controlled based on the voltage across the DC link bus. | 06-16-2011 |
20140054892 | WIND TURBINE PITCH CONTROL SYSTEM - A pitch control system for a wind turbine is disclosed. The pitch control system may generally include a motor having an armature and a winding and a grid power source configured to supply electrical power to the motor. The pitch control system may also include a plurality of switching components configured to control a first current through the armature independent of a second current through the winding. In addition, the pitch control system may include an auxiliary switching component electrically coupled between the grid power source and at least a portion of the switching components. The auxiliary switching component may be configured to be opened when a grid voltage of the grid power source exceeds a first voltage threshold. | 02-27-2014 |
Patent application number | Description | Published |
20100108554 | Gender-specific, disposable absorbent articles - Disposable absorbent articles product designs tailored to the differing needs and preferences of males and females are disclosed. In particular embodiments, an array of gender-specific, disposable, absorbent articles comprises a package of first disposable absorbent articles, the package bearing indicia indicating that the articles therein are adapted to be worn by females, and a package of second disposable absorbent articles, the package bearing indicia indicating that the articles therein are adapted to be worn by males. The first disposable absorbent articles differ from the corresponding second disposable absorbent articles in any of a variety of aspects to customize the products for each gender. In certain embodiments, the array includes one product adapted for use by one gender, and a unisex product adapted for use by either gender. | 05-06-2010 |
20110088828 | Disposable Absorbent Articles Incorporating Black-Free Colorants - A disposable absorbent article is presenting having multiple components and including an inspection region subject to inspection using infrared radiation, wherein the inspection region includes a junction of two components; and a printed graphic in the inspection region, wherein the ink used to print the graphic includes no carbon black colorant such that the printed graphic is substantially transparent to infrared radiation. In addition, a disposable absorbent article having multiple components includes a printed graphic in an inspection region subject to inspection using infrared radiation, the printed graphic including black ink having no carbon black colorant such that the printed graphic is substantially transparent to infrared radiation. | 04-21-2011 |
20130230835 | Method for Simplifying the Donning of Refastenable Disposable Absorbent Articles - A method for simplified donning of a refastenable garment. The method includes configuring the article such that the first transverse side is open and such that the second transverse side is closed; thereafter positioning and fastening the first front and back side panels around a first leg; thereafter opening the second transverse side; thereafter positioning and fastening the second front and back side panels around a second leg; and thereafter drawing the article up into a wear position on the subject. Also disclosed is a method for simplifying the application of a refastenable garment that includes providing specific instructions to a user, such as via graphical images. Also disclosed is a package of refastenable garments, the package including secondary information for simplifying the application of a refastenable garment to a wearer. | 09-05-2013 |
20130296821 | DIAPER WITH UMBILICAL FEATURE - A diaper having a front portion with at least one line of weakness adapted to be torn and at least one umbilical cover defined in part by the at least one line of weakness. The at least one umbilical cover is moveable from a starting position to an anchored position upon tearing the at least one line of weakness. The diaper has at least one umbilical cover anchor adapted to maintain the at least one umbilical cover in the anchored position. | 11-07-2013 |