Patent application number | Description | Published |
20090154200 | CONTROLLER CIRCUIT AND SYSTEM HAVING SUCH A CONTROLLER CIRCUIT - A controller circuit is specified, having a step-up controller, a resonant converter connected downstream of the step-up controller on the output side, a transformer, a rectifier, which rectifier is connected to the secondary winding of the transformer on the input side, and a CLL resonant circuit connected to the resonant converter and to the primary winding of the transformer, which CLL resonant circuit has a resonance capacitance and a first and a second resonance inductance. In order to reduce the switching losses, the CLL resonant circuit is embodied as a “T” circuit. | 06-18-2009 |
20090316443 | AC/DC INTERMEDIATE-CIRCUIT CONVERTER HAVING A VERY WIDE AC INPUT VOLTAGE RANGE - An AC/DC intermediate-circuit converter has a very wide AC input voltage range with a ZVS three-level DC/DC resonant converter with an LLC series-resonant circuit. Two intermediate-circuit capacitors are connected in series between DC intermediate-circuit connections with their common connection point forming a DC intermediate-circuit centre connection ( | 12-24-2009 |
20110103118 | NON-ISOLATED DC-DC CONVERTER ASSEMBLY - A non-isolated DC-DC converter assembly includes a boost converter and a Ćuk converter connected together in a specific way. The non-isolated DC-DC converter assembly allows for grounding of a source and load at the same time, and provides a complete adjustability of the output voltage of the non-isolated DC-DC converter. Further, the DC-DC converter assembly of the disclosure has a current source input characteristic, whereby the current absorbed from the power supply is continuous | 05-05-2011 |
20110221420 | CONTROL METHOD FOR SINGLE-PHASE GRID-CONNECTED LCL INVERTER - A method of controlling the grid-side current of a single-phase grid-connected converter having an LCL filter connected between the output of the converter and the grid. The method includes measuring a grid voltage (v | 09-15-2011 |
20110222317 | CONVERTER CIRCUIT AND UNIT AND SYSTEM COMPRISING SUCH CONVERTER CIRCUIT - A converter circuit has a first resonant converter that is connected on the DC voltage side to a first energy storage circuit, and a transformer. A second resonant converter is connected on the AC voltage side to the secondary winding of the transformer and on the DC voltage side to a load converter, and a CLL resonant circuit is connected to the first resonant converter and to the primary winding of the transformer. The CLL resonant circuit has a resonant capacitance, a first resonant inductance and a second resonant inductance. | 09-15-2011 |
20110228578 | NON-ISOLATED DC-DC CONVERTER FOR SOLAR POWER PLANT - An exemplary non-isolated DC-DC converter for a solar power plant, can be adapted to connect to a full-bridge inverter. The converter includes positive and negative input terminals, and positive and negative output terminals. A plurality of switches, diodes, inductors and capacitors are connected in a circuit configuration to the input and output terminals. A control means is connected to the circuit for controlling the switching of a first, second, and third switch between an open and closed state. | 09-22-2011 |
20110241652 | METHOD AND ARRANGEMENT FOR ESTIMATING ANGULAR FREQUENCY - An exemplary method and arrangement for estimating the frequency and the positive sequence of a fundamental component of a measured three-phase voltage are disclosed (ν | 10-06-2011 |
20120043994 | CURRENT BALANCING OF PARALLEL CONNECTED SEMICONDUCTOR COMPONENTS - A method and an arrangement are provided for balancing the switching transient behavior of parallel connected power semiconductor components. The method includes providing a switch signal to the parallel connected power semiconductor components for changing the state of the components, forming control signals for each of the parallel connected components from the switch signal, and determining, during the change of state of the power semiconductor component, the voltage induced to an inductance in the main current path of the component in each of the parallel connected components. The method also includes comparing each of the induced voltages with a predetermined threshold voltage, measuring time differences between the time instants at which the induced voltages crosses the threshold voltage, and modifying one or more of the control signals on the basis of the measured time differences in the respective following state change for balancing the switching transient behavior. | 02-23-2012 |
20120242152 | METHOD FOR SEARCHING GLOBAL MAXIMUM POWER POINT - An exemplary method is disclosed for searching a global maximum power point in an arrangement comprising a series connection of photovoltaic power sources. The method can include determining a value of a reference by adding an increment to a previous value of the reference, wherein the value of the increment is determined on the basis of the power produced by the power sources. | 09-27-2012 |
20130114302 | METHOD AND APPARATUS FOR DETECTING ISLANDING CONDITIONS OF A DISTRIBUTED GRID - An exemplary method and apparatus for detecting islanding conditions of a distributed grid are disclosed, wherein transfer of power through a power electrical unit is controlled on the basis of a control reference. The apparatus includes a first stage and a second stage performing a respective portion of the method. The first stage injects a reactive component to the control reference, and, for at least one electrical quantity of the grid, determines a change in the quantity induced by the injected component, and determines, on the basis of the change in the electrical quantity, whether to move to the second stage of the method. The second stage, for at least one electrical quantity of the grid, determines a value of the electrical quantity, forms a positive feedback term using at the determined value adding a positive feedback term to the control reference, determines a change in an electrical quantity induced by the feedback term, and determines islanding condition on the basis of the change in the quantity induced by the feedback term. | 05-09-2013 |
Patent application number | Description | Published |
20090028872 | HUMAN MONOCLONAL ANTIBODIES TO CD70 - The present disclosure provides isolated monoclonal antibodies, particularly human monoclonal antibodies, that specifically bind to CD70 with high affinity. Nucleic acid molecules encoding the antibodies of the disclosure, expression vectors, host cells and methods for expressing the antibodies of the disclosure are also provided. Immunoconjugates, bispecific molecules and pharmaceutical compositions comprising the antibodies of the disclosure are also provided. The disclosure also provides methods for treating cancer, autoimmune disease, inflammation and viral infections. | 01-29-2009 |
20100150950 | HUMAN ANTIBODIES THAT BIND CD70 AND USES THEREOF - The present disclosure provides isolated monoclonal antibodies that specifically bind to CD70 with high affinity, particularly human monoclonal antibodies. Preferably, the antibodies bind human CD70. In certain embodiments, the antibodies are capable of being internalized into CD70-expressing cells or are capable of mediating antigen dependent cellular cytotoxicity. Nucleic acid molecules encoding the antibodies of this disclosure, expression vectors, host cells and methods for expressing the antibodies of this disclosure are also provided. Antibody-partner molecule conjugates, bispecific molecules and pharmaceutical compositions comprising the antibodies of this disclosure are also provided. This disclosure also provides methods for detecting CD70, as well as methods for treating cancers, such as renal cancer and lymphomas, using an anti-CD7Q antibody of this disclosure. | 06-17-2010 |
Patent application number | Description | Published |
20110238336 | DEFECT DETECTION IN OBJECTS USING STATISTICAL APPROACHES - Disclosed are systems, methods and articles, including an inspection system that includes at least one generator to apply energy to an object at an application point to cause waves to travel, at least partly, through the object. The system further includes at least one detector configured to detect at least a portion of the waves traveling through the object, and a statistical analyzer to perform a statistical analysis based on an output produced by the at least one detector in response to the detected portion of the waves, the statistical analysis being used to determine whether at least one defect is present in the object. | 09-29-2011 |
20130097013 | METHOD AND SYSTEM FOR MANAGING DELIVERY OF LEADS AND BIDDING - A system and method that enables a business owner to receive leads such as phone calls or emails to their business at a prescribed cost-per-lead and a volume determined by the budget the owner is willing to allocate to the purchase. The method manages an internet based advertisement campaign, which includes performing the step of creating an internet based advertisement campaign that includes a budget parameter, a campaign duration parameter, advertisement content with a lead reference, and an ad listing with a URL that links to said advertisement content. Another embodiment of the method can include managing the bidding process for a multi-item keyword auction. | 04-18-2013 |
20140316719 | STRESS DETECTION IN RAIL - Methods and apparatus, including computer program products, are provided for determining rail stress. The method may include generating at least one ultrasonic guided wave to enable the at least one ultrasonic guided wave to propagate through a rail; detecting at least one of a fundamental frequency component of the at least one ultrasonic guided wave, one or more harmonics of the at least one ultrasonic guided wave, and/or a mixing component of the at least one ultrasonic guided wave; and determining a stress of the rail based on at least a nonlinearity parameter determined from the detected at least one of the fundamental frequency component, the one or more harmonics, and the mixing component. Related apparatus, systems, methods, and articles are also described. | 10-23-2014 |