Patent application number | Description | Published |
20130120017 | DEVICE AND METHOD FOR MONITORING A PHOTOVOLTAIC SYSTEM - A device and corresponding method for monitoring a photovoltaic system to detect an occurrence of events impairing normal operation of the photovoltaic system is provide. The photovoltaic system includes a photovoltaic generator including a first group of photovoltaic modules and a second group of photovoltaic modules being different from the first group. The device includes a first and a second pair of coupling means, both pairs including signal coupling-in means for coupling a test signal into the photovoltaic generator, and a signal coupling-out means for coupling out a response signal from the photovoltaic generator, the first pair of coupling means configured to selectively detect the occurrence of the events in the first group of photovoltaic modules, and the second pair of coupling means configured to selectively detect the occurrence of the events in the second group of photovoltaic modules. | 05-16-2013 |
20130141133 | Apparatus and Method for Monitoring a Photovoltaic System - The apparatus for monitoring a photovoltaic system includes an incoupling circuit configured to couple an AC voltage test signal into the photovoltaic system, and an outcoupling circuit configured to outcouple a response signal, which is associated with the test signal, from the photovoltaic system, and an evaluation device, which is connected to the outcoupling circuit. The evaluation device is configured to identify events which adversely affect correct operation of the photovoltaic system. The apparatus is distinguished in that the outcoupling circuit includes a first transformer and a second transformer, each having a respective primary winding and each having a respective secondary winding which is connected to the evaluation device, with the primary windings of the first and second transformers being arranged in different electrical lines between a generator and an inverter in the photovoltaic system. The disclosure also relates to a corresponding method for monitoring a photovoltaic system. | 06-06-2013 |
20130307343 | Method for Sequentially Disconnecting/Connecting Electrical Current Sources From/To A Common Load - The disclosure relates to methods for sequentially disconnecting at least two electrical current sources from a common load or for sequentially connecting the current sources to a load, wherein the current sources are each connected to the common load via a switching unit, each comprising a parallel circuit comprising an electromechanically actuated switch and an associated semiconductor switch. In the two methods, first semiconductor switches are closed if they are still not closed and the relevant electromechanical switches are opened. In the method for sequential disconnection, then at least two of the semiconductor switches that were actuated or that were already closed are opened sequentially. In the method for sequential connection, a plurality of the semiconductor switches are first opened, of which then at least two are closed sequentially. The disclosure also relates to a photovoltaic system comprising an apparatus that is suitable for implementing the method. | 11-21-2013 |
20140062500 | METHOD AND SYSTEM FOR DETECTING AN ARC FAULT IN A POWER CIRCUIT - A method of detecting an arc fault in a power circuit includes injecting an AC-signal into the power circuit and measuring a response signal that is related to the injected AC-signal in the power circuit. The method further includes determining a frequency response of the power circuit from the response signal, analyzing the frequency response, and identifying a preferred frequency. A signal related to AC-current flowing in the power circuit within the preferred frequency range is measured and an occurrence of an arc fault in the power circuit is signaled depending on the measured signal. A system for detecting an arc fault is designed to perform a method as described before. | 03-06-2014 |
20140119072 | Method and System for Detecting an Arc Fault in a Photovoltaic Power System - A method for detecting an arc fault in a photovoltaic power circuit includes operating a photovoltaic generator at a first working point. A first signal related to a DC-current and/or a DC-voltage in the power circuit is determined. The first signal is analyzed and it is determined whether the signal indicates the presence of an electric arc in the power circuit. If so, the photovoltaic generator is operated at a second working point and a second signal related to the DC-current and/or the DC-voltage is determined. The first and second signals are then compared; and the occurrence of an arc fault in the power circuit is selectively signaled based on the comparison. | 05-01-2014 |
20150077884 | Method and Apparatus for Localizing and Quenching an Arc - The disclosure relates to a method for localizing and quenching an arc in a PV generator of a PV system, wherein the PV generator includes at least two PV subgenerators. An arc quenching circuit is associated with each PV subgenerator. The method includes detecting an arc in the PV generator. Then, a probability value is determined for each of the PV subgenerators, wherein the probability value is correlated with a probability that the arc is located in the corresponding PV subgenerator. A sequence for activating the arc quenching circuits is then determined that is dependent on the determined probability values. Then, the arc quenching circuits are activated successively in the order of the determined sequence. | 03-19-2015 |
Patent application number | Description | Published |
20130140192 | Method of Producing a Lipid Bilayer and Microstructure and Measuring Arrangement - The present invention relates to a method of producing a lipid bilayer over a microcavity open on one side and to a microstructure for investigating lipid bilayers and an associated measuring arrangement. The method of producing a lipid bilayer over a microcavity open on one side comprises the following steps: filling the microcavity with an electrolyte solution; moving a fluid containing dissolved lipids in a first direction onto the microcavity; moving the fluid in a second direction away from the microcavity; monitoring the formation of the lipid bilayer over the microcavity by detecting an impedance between a counter-electrode connected to the fluid and a measuring electrode, which is arranged inside the microcavity. The microstructure has a substrate, in which at least one microcavity is formed, wherein at least one measuring electrode is arranged inside the microcavity and wherein the at least one microcavity can be connected to a fluid channel so that a laminar flow of fluid can be made to flow over the microcavity with at least two different directions of flow. | 06-06-2013 |
20140044866 | Method for the Automated Production Consisting of a Molecular Layer of Amphiphilic Molecules and a Device for Producing Said Molecular Layer - The invention is related to a method and an apparatus for the automated fabrication of a molecular layer made from amphiphilic molecules, in particular lipids for a lipid bilayer membrane, in the apparatus, which has a support substrate for supporting the molecular layer, a rotation element, which can be rotated on top of the support substrate, and an actuator device, by means of which the rotation element can be automatically rotated, wherein the rotation element has an outer surface, which is formed hydrophobic at least in sections, the method having the following steps: placing a first solvent, which contains amphiphilic molecules, in a region above the support substrate; causing the automatic rotation of the rotation element above the support substrate; moving the first solvent between the support substrate and the rotation element by the interaction of the rotating rotation element with the first solvent, thus forming the molecular layer. | 02-13-2014 |
20140062503 | Microstructure Device for Measuring Molecular Membranes and a Method for Producing Said Microstructure Device - The invention is related to a microstructure apparatus for the measurement of biological membranes, comprising a support substrate having an upper side for supporting the membrane, at least one microcavity of the support substrate for receiving an electrolyte, wherein the microcavity is open upward and ends in a microaperture in the upper side of the support substrate, wherein the microaperture has a first characteristic diameter D1 and has at least one electrode, which is at least partially arranged within the microcavity and which has a contact side for contacting an electrolyte, the contact side being arranged adjacent to the inner volume of the microcavity, characterized in that the contact side of the electrode has a characteristic diameter D2, being larger than D1. The invention further relates to a corresponding method for producing the microstructure apparatus. | 03-06-2014 |
Patent application number | Description | Published |
20080221165 | Use of Octenidine Dihydrochloride in Semisolid Preparations - The invention relates to the use of octenidine dihydrochloride for manufacturing a semisolid pharmaceutical composition for the treatment of wounds, atopic dermatitides, infected eczemas, dermatomycoses, vaginal infections, acne, herpes and/or for controlling multidrug-resistant pathogens, where the composition comprises from 0.005 to 5% by weight octenidine dihydrochloride, and a corresponding composition. | 09-11-2008 |
20080254084 | Antimicrobial Preparations Having a Content of Octenidine Dihydrochloride Encapsulated in Liposomes - The invention relates to antimicrobial preparations which comprise octenidine dihydrochloride in liposomes. The invention additionally relates to a process for manufacturing the preparations and to the use of phospholipids for manufacturing antimicrobial preparations which comprise octenidine dihydrochloride. The preparations show a low cytoxicity. | 10-16-2008 |
20110003857 | STABILIZED, ANTIMICROBIALLY EFFECTIVE COMPOSITION WITH A CONTENT OF BISPYRIDINIUM ALKANE - An aqueous-based composition which includes a) at least one bispyridinium alkane (for example octenidine) and b) at least one stabilizer selected from antioxidants, complexing agents, reducing agents, UV filters and photoprotective agents, in particular α-tocopherol, and BHT. The composition can also include c) one or more auxiliaries selected from, for example, nonionic surfactants, ethers, solvents and polymers, in particular fatty alcohol alkoxylates and alkoxylated fatty acid monoglycerides. The presence of the stabilizer reduces or prevents the appearance of decomposition products of bispyridinium alkanes and, in the case of the presence of auxiliaries, of decomposition products of the auxiliaries, such as ethers and peroxides. | 01-06-2011 |
20110076242 | Antimicrobially Active Composition Having A Content Of Bispyridium Alkane (Octenidine Dihydrochloride) - A description is given according to the invention of a composition on an aqueous basis which comprises a) 0.001 to 10% by weight bispyridinium alkane, b) 0.1 to 30% by weight nonionic surfactant, c) 0 to 40% by weight aromatic alcohol and d) 0.01 to 10% by weight polyol selected from alkanediols and alkanetriols. The compositions, as mouthwash solutions, are more active than current commercial products and are distinguished by a pleasant taste and low tendency to foaming. | 03-31-2011 |
20110091551 | WOUND COVERING COMPRISING OCTENIDINE DIHYDROCHLORIDE FOR USE IN THE ANTISEPSIS OF CATHETER INSERTION POINTS - A wound covering includes a) a transparent film and b) applied to the film, a transparent hydrogel which includes octenidine dihydrochloride. The wound covering is suitable in particular for use in the antisepsis of catheter insertion points. The active ingredient octenidine dihydrochloride is released from the hydrogel quickly, but in a long-lasting manner. A wound covering set and a hydrogel including octenidine dihydrochloride for use for the antisepsis of catheter insertion points are also described. | 04-21-2011 |
20110092543 | Wound And Mucosa Antiseptic Based on Bispyridiniumalkanes - The invention relates to an antimicrobially effective composition which comprises a) 0.001 to 1% by weight of bispyridiniumalkane, b) humectant and c) water. The composition has an osmolality of from 230 to 350 mOsmol/kg and is free from surfactant. It is used as wound and mucosa antiseptic. | 04-21-2011 |
20110233221 | CONTAINER WITH A COLLAPSIBLE RECEPTACLE AND A DISINFECTANT COMPOSITION - A container has: a) a collapsible receptacle, the wall of which is designed flexibly such that the internal volume of the receptacle is adapted to the volume of a liquid contained therein, and which has an outlet with an outlet valve; and b) in the receptacle a disinfectant composition in the form of a solution with a content of aliphatic alcohol of at most 20% by weight. It is possible that the disinfectant composition is not contaminated with spores or other germs also after the container has been opened, even upon repeated discharge from the container. | 09-29-2011 |
20110237626 | COMPOSITIONS FOR HYGIENIC HAND DISINFECTION AND DISINFECTANT HANDWASHING - The invention relates to a disinfectant composition which includes a) one or more 1- or 2-(C | 09-29-2011 |
20120004593 | ANTISEPTIC BASED ON BISPYRIDINIUM ALKANES - An antimicrobially effective composition includes a) at least 0.15% by weight of bispyridinium alkane, b) at least 3.5% by weight of humectant and c) water. Upon dilution with water, the composition produces a solution with an osmolality of from 230 to 350 mOsmol/kg and is free from surfactant. It is used as an antiseptic and is suitable for use in a method for the disinfection of injured or uninjured skin of a human being or animal, preference being given to use in the case of newborns, in particular those born prematurely. | 01-05-2012 |
20140117042 | CONTAINER WITH A COLLAPSIBLE RECEPTACLE AND A DISINFECTANT COMPOSITION - A container has: a) a collapsible receptacle, the wall of which is designed flexibly such that the internal volume of the receptacle is adapted to the volume of a liquid contained therein, and which has an outlet with an outlet valve; and b) in the receptacle a disinfectant composition in the form of a solution with a content of aliphatic alcohol of at most 20% by weight. It is possible that the disinfectant composition is not contaminated with spores or other germs also after the container has been opened, even upon repeated discharge from the container. | 05-01-2014 |
20150141469 | KIT FOR PRODUCING FOAMS CONTAINING BISPYRIDINIUM ALKANE - A kit for the production of an antimicrobial foam includes: a) a liquid composition which includes a1)one or more bispyridinium alkane and a2)one or more surfactants selected from non-ionic surfactants, amphoteric surfactants and cation-active surfactants, wherein the composition is formulated so that a foam can be produced therefrom, and b) a device for producing the foam from the composition. By using the bispyridinium alkanes the foam stability of liquid and surfactant-containing compositions is increased. | 05-21-2015 |
20150335757 | COLOURED DISINFECTANT PREPARATION BASED ON BISPYRIDINIUMALKANE - The non-solid disinfectant preparation includes a) bispyridiniumalkane (in particular octenidine) and b) dye selected from xanthene dyes, azo dyes and polyterpene compounds. The preparation is free from fluorescein and salts thereof. The novel preparations exhibit an excellent remanence effect. | 11-26-2015 |