Abstract: A temperature measurement arrangement for measuring a temperature in a noise voltage-inducing environment includes a sensing circuit including a Negative Temperature Coefficient Thermistor (NTC) for sensing a temperature and a filter for compensating the induced noise voltage at a filter frequency.

Abstract: A converter for transferring power from a medium voltage (MV) side to a low voltage (LV) side is described. The converter comprises a MV unit at the MV side; a LV unit at the LV side; a first transformer cell configured to generate a LV AC voltage at a LV AC terminal from a MV AC voltage at a MV AC terminal; a second transformer cell configured to generate an auxiliary AC supply voltage at one or more supply terminals of the second transformer cell from the MV AC voltage at the MV AC terminal, an auxiliary power circuitry configured to provide auxiliary power to one or more components of the MV unit based at least in part on the auxiliary AC supply voltage at the one or more supply terminals.

Abstract: A converter is configured to set a first converter state with a first high-side switch and a second high-side switch being switched on, a first-stage low-side switch being switched on, and a first low-side switch and a second low-side switch being switched off. The converter is further configured to set a second converter state with the first low-side switch and the second low-side switch being switched on, the first-stage high-side switch being switched on, and the first high-side switch and the second high-side switch being switched off. The converter may enable to balance one or more voltages across the switches of the switching unit at least in part. This may alleviate, for example, an overvoltage at one of the switches of the switching unit.

Abstract: A method of bidirectional DC conversion in a series resonant converter (SRC) and a corresponding SRC are provided. The SRC comprises a primary side, a secondary side and a tank having a resonant frequency and a resonant impedance. Each side has a DC terminal and a bridge circuit connected to the DC terminal and to the tank, and is adapted to be cyclically activated to convert power between the DC terminal and the tank. The method comprises operating the SRC for a power flow from one of the primary and secondary sides to the other side by activating the bridge circuit of at least the one side at a first switching frequency; changing operation of the SRC for increasing the impedance of the tank; and reversing the direction of the power flow, so that the SRC is operated for a power flow from the other side to the one side.

Abstract: A system and method for compensating a faulty switch in a multi-level flying capacitor converter includes a converter capacitor arranged in parallel to an input, a first and second converter switches arranged respectively between first and second ends of the converter capacitor, first and second bypass switches respectively arranged in parallel to the first and second converter switches, wherein operation includes detecting a faulty converter level that includes at least one of the first and second converter switches, discharging all capacitors arranged in parallel to the input of the multi-level converter, wherein all capacitors comprise the converter capacitors and an input capacitor; closing the first and second bypass switches of the faulty converter level; adapting a modulation of the converter switches of the other converter levels; and restarting the multi-level converter.

Abstract: A converter for transferring power from a medium-voltage, MV, to a low-voltage, LV, side is provided. The converter includes at least one DC/AC cell with a MV AC terminal configured for generating an AC voltage from a MV DC voltage, and includes at least one AC/DC cell with a LV AC terminal configured for generating a DC voltage from a LV AC voltage. The converter has a magnetic core with a LV winding, and a LV terminal connected to the LV AC terminal, additionally with a magnetic core with a MV winding, and a MV terminal connected to the MV AC terminal. The converter includes an auxiliary unit with an auxiliary winding, and an auxiliary terminal connected to control circuits for operating the MV DC/AC cell. Galvanic insulation between the LV and the MV winding and the auxiliary winding is configured to withstand the Basic Insulation Level of the converter.

Abstract: A flying capacitor switching cell-system includes at least two flying capacitor switching cells, wherein each of the cells comprises an arrangement of at least one semiconductor system, and wherein the cells are in parallel in an electrical circuit.

Abstract: A converter for converting a medium voltage AC power into a low voltage DC power is provided. The converter includes a line interphase transformer having at least one core, a plurality of coils provided on the at least one core and configured for receiving the medium voltage AC power, and at least one auxiliary winding provided on the at least one core and inductively coupled to the medium voltage AC power by the core. The line interphase transformer is configured for generating a plurality of phase-shifted AC powers from the medium voltage AC power. The converter further includes a rectifier configured for generating a medium voltage DC power from the plurality of phase-shifted AC powers, and a DC/DC converter stage including a switching stage and a converter transformer. The DC/DC converter stage is configured for generating a low voltage DC power from the medium voltage DC power.

Abstract: A modulator for a flying-capacitor type multilevel converter receives, at an input, a time-variant reference signal and provides, at an output, a sequence of target levels, to provide switching signals for switching between discrete output levels of the multilevel converter according to the shape of the reference signal. The modulator determines a critical level as an intermediate output level of the multilevel converter which is closest to the level of the reference signal; and outputs only target levels corresponding to output levels different from the critical level.

Abstract: A temperature measurement arrangement for measuring a temperature in a noise voltage-inducing environment includes a sensing circuit including a Negative Temperature Coefficient Thermistor (NTC) for sensing a temperature and a filter for compensating the induced noise voltage at a filter frequency.

Abstract: A system and method for compensating a faulty switch in a multi-level flying capacitor converter includes a converter capacitor arranged in parallel to an input, a first and second converter switches arranged respectively between first and second ends of the converter capacitor, first and second bypass switches respectively arranged in parallel to the first and second converter switches, wherein operation includes detecting a faulty converter level that includes at least one of the first and second converter switches, discharging all capacitors arranged in parallel to the input of the multi-level converter, wherein all capacitors comprise the converter capacitors and an input capacitor; closing the first and second bypass switches of the faulty converter level; adapting a modulation of the converter switches of the other converter levels; and restarting the multi-level converter.

Abstract: A modulator for a flying-capacitor type multilevel converter receives, at an input, a time-variant reference signal and provides, at an output, a sequence of target levels, to provide switching signals for switching between discrete output levels of the multilevel converter according to the shape of the reference signal. The modulator determines a critical level as an intermediate output level of the multilevel converter which is closest to the level of the reference signal; and outputs only target levels corresponding to output levels different from the critical level.

Abstract: A flying capacitor switching cell-system includes at least two flying capacitor switching cells, wherein each of the cells comprises an arrangement of at least one semiconductor system, and wherein the cells are in parallel in an electrical circuit.

Abstract: This invention relates to compounds of formula (I) which are activators of glucokinase and thus may be useful for the management, treatment, control, or adjunct treatment of diseases, where increasing glucokinase activity is beneficial.

Abstract: This invention relates to compounds that are activators of glucokinase and thus may be useful for the management, treatment, control, or adjunct treatment of diseases, where increasing glucokinase activity is beneficial. The compounds are of the general formula (I) wherin A and B are further defined in the application.

Abstract: This invention provides certain compounds, methods of their preparation, pharmaceutical compositions comprising the compounds, and their use in treating human or animal disorders. The compounds of the invention are useful as antagonists, or more preferably, partial antagonist of factor IX and thus, may be used to inhibit the intrinsic pathway of blood coagulation. The compounds are useful in a variety of applications including the management, treatment and/or control of diseases caused in part by the intrinsic clotting pathway utilizing factor IX. Such diseases or disease states include stroke, myocardial infarction, aneurysm surgery, and deep vein thrombosis associated with surgical procedures, long periods of confinement, and acquired or inherited pro-coagulant states.

Abstract: This invention provides aryl and heteroaryl compounds, methods of their preparation, pharmaceutical compositions comprising the compounds, and their use in treating human or animal disorders. The compounds of the invention may be antagonists, or partial antagonist of factor IX and/or factor XI and thus, may be useful for inhibiting the intrinsic pathway of blood coagulation. The compounds may be useful in a variety of applications including the management, treatment and/or control of diseases caused in part by the intrinsic clotting pathway.

Abstract: The apparatus comprises a fixed cylindrical housing and a centrifugal disc closing the housing in the manner of a base, which disc is rigidly connected to a motor driven shaft. Above the centrifugal disc a ring is fitted into the housing. The distance of that ring from the centrifugal disc is such that material propelled outwards by the centrifugal disc and upwards at the wall of the housing is positively deflected at the lower curved surface of the ring.