Abstract: An electrical power supply circuit includes at least two parallel power supply branches. Each power supply branch is adapted to be connected to or disconnected from a corresponding power source. Each power supply branch is adapted to be connected to or disconnected from a reference potential. Each power supply branch is adapted to avoid reverse current from flowing into the power supply branch.

Abstract: A process for preparing a polypropylene composition including oligomers having a semi-volatile organic condensable (FOG, VDA 278 October 2011), content of 50 ug/g to about 400 yg/g of the total polypropylene composition, and volatile organic compounds (VOC, VDA 278 October 2011) in an amount of less than 80 ug/g of the total polypropylene composition, wherein the weight ratio of the oligomers versus the volatiles is more than about 5.0, wherein the polypropylene composition has an MFRz2 (ISO 1133, 230° C., 2.16 kg) of 10 g/10 min or higher, wherein the polypropylene composition has a flexural modulus (ISO 178 on injection moulded specimens of 80×10×4 mm prepared in accordance with ISO 294-1:1996) of from 1000 to 2000 MPa, and wherein the total quantity of slip agent is at least 500 ppm.

Abstract: The present invention relates to a process for reducing contaminants comprising volatile organic compounds and semi-volatile organic compounds from polyolefin-containing particles by contacting the particles with a washing liquid, which comprises a mixture of polyethylene glycol and water and the use of said washing liquid for reducing said contaminants from polyolefin-containing particles.

Abstract: A method for identifying a vehicle in a traffic area with a traffic monitoring system is disclosed. The traffic monitoring system has a transmitter for a signal, a receiver for receiving the signal reflected by an object, and a control unit. A reflector is arranged on a vehicle moving in the traffic area and can be pivoted about at least one axis. The method comprises moving the reflector about the at least one axis with a movement pattern that is associated with the vehicle and generates a defined signal characteristic of the signal reflected by the reflector, capturing the signal reflected by the reflector with the receiver, identifying the vehicle if the signal characteristic of the signal reflected by the reflector that is received by the receiver corresponds to a signal characteristic that is associated with the movement pattern and is stored in the traffic monitoring system.

Abstract: The disclosure relates to a method for operating a wind turbine. The method comprises providing several software modules as an operating software for operating the wind turbine, wherein the software modules each have at least one communications input and/or at least one communications output, as well as providing a configuration list with several entries, wherein the entries assign to a respective communications input of a software module a communications output of another software module. For each entry, the method further comprises transmitting information of the respective entry to a software module of the software modules with at least one communications input which allows the software module to access data of the communications output of another software module, which in the entry is assigned to the communications input, and operating the wind turbine with the software modules.

Abstract: A process for reducing the volatile and semi-volatile organic content (VOC and FOG values) of a heterophasic polypropylene composition, the heterophasic polypropylene composition comprising (i) at least 15 wt.-% of at least a first heterophasic polypropylene; (ii) less than 15 wt.-% of at least one elastomeric polyolefin, (iii) at least one filler; (iv) optionally polyethylene; and (v) optionally further polyolefins to below 100 ?g/g (VOC, VDA 278 October 2011) and below 390 ?g/g (FOG, VDA 278 October 2011), the process involving aerating the first heterophasic polypropylene and each further polyolefin component that is present in an amount of at least 15 wt.-% relative to the total weight of the heterophasic polypropylene composition, before extruding these aerated components with the at least one elastomeric polyolefin and the at least one filler and the optional polyethylene and/or optional further polyolefin(s).

Abstract: The present invention relates to Electronic Control Units (ECUs) for use in ring-like power distribution architectures as well as to ring-like power distribution architectures comprising such ECUs. It also relates to vehicles comprising such ring-like power distribution architectures. In an aspect, an ECU comprises a first ECU terminal for receiving power from a first power source (PS) terminal of a first power source, means for determining whether current is flowing into the first ECU terminal or out of the first ECU terminal, and means for adjusting a sensitivity of a first ECU fuse associated with the first ECU terminal based on whether current is flowing into the first ECU terminal or out of the first ECU terminal.

Abstract: A diffraction measurement target that has at least a first sub-target and at least a second sub-target, and wherein (1) the first and second sub-targets each include a pair of periodic structures and the first sub-target has a different design than the second sub-target, the different design including the first sub-target periodic structures having a different pitch, feature width, space width, and/or segmentation than the second sub-target periodic structure or (2) the first and second sub-targets respectively include a first and second periodic structure in a first layer, and a third periodic structure is located at least partly underneath the first periodic structure in a second layer under the first layer and there being no periodic structure underneath the second periodic structure in the second layer, and a fourth periodic structure is located at least partly underneath the second periodic structure in a third layer under the second layer.

Abstract: A system for supplying a low DC voltage to a vehicle from at least one high voltage battery of the vehicle. The system includes a first DC-DC converter and a second DC-DC converter. The first DC-DC converter is configured to convert a high DC voltage from the at least one battery of the vehicle to a low DC voltage. The second DC-DC converter has a lower power compared to the first DC-DC converter and is configured to convert a high DC voltage from the at least one battery of the vehicle to the low DC voltage. The first DC-DC converter and the second DC-DC converter are configured to be connected to the at least one high voltage battery.

Abstract: A system for supplying a low DC voltage to a vehicle from high voltage batteries of the vehicle. The system includes a first DC-DC converter and a second DC-DC converter. The first DC-DC converter is configured to convert a high DC voltage provided by a first battery of the vehicle to a low DC voltage. The second DC-DC converter is configured to convert a high DC voltage provided by a second battery of the vehicle to a low DC voltage. The first DC-DC converter is configured to be electrically connected to the first battery. The second DC-DC converter is configured to be electrically connected to the second battery.

Abstract: A system includes a first DC-DC converter, a second DC-DC converter, and a third DC-DC converter. The first DC-DC converter is configured to convert a high DC voltage from a first battery of a vehicle to a low DC voltage. The second DC-DC converter is configured to convert a high DC voltage from a second battery of the vehicle to the low DC voltage. The third DC-DC converter has a lower output power compared to the first and second DC-DC converters and is configured to convert a high DC voltage from the batteries of the vehicle to the low DC voltage. The first DC-DC converter is configured to be connected to the first battery. The second DC-DC converter is configured to be connected to the second battery. The third DC-DC converter is configured to be connected to the first and second batteries in series.

Abstract: A method for the access management of a wind turbine controller of a wind turbine with an operating software. The method comprises receiving a user identification with one of several user interfaces and assigning the user identification or a portion of the user identification to an access group. One or several authorization groups of an overall number of authorization groups is allocated to the access group, and one or several output value storage locations and/or input value storage locations are allocated to each authorization group. The method further encompasses allowing an access from the user interface to all output value storage locations and/or input value storage locations that are allocated to the assigned access group via the authorization groups. The disclosure further relates to a computer product, a wind turbine controller, and a wind turbine with a wind turbine controller.

Abstract: A process for reducing the amount of volatile and semi-volatile organic substances of a polypropylene composition to below 150 ?g/g (VOC, VDA 278 October 2011) and below 350 ?g/g (FOG, VDA 278 October 2011).

Abstract: An electrical power supply circuit includes at least two power supply branches. Each power supply branch includes a first semiconductor switch configured to be electrically connected to a power source. Each power supply branch includes a second semiconductor switch in series with the first semiconductor switch and electrically connected to a common output of the electrical power supply circuit. Each power supply branch includes a first resistor. A first end of the first resistor is electrically connected to an electrical connection between the first semiconductor switch and the second semiconductor switch. A second end of the first resistor is configured to be electrically connected to a reference potential.

Abstract: A redundant electrical ground supply system includes a common electrical ground output, a first resistor, and a second resistor. The common electrical ground output is configured to be electrically connected to or disconnected from a first electrical ground input and/or a second electrical ground input. The first resistor is configured to be electrically connected to or disconnected from the first electrical ground input and/or a battery voltage. The second resistor is configured to be electrically connected to or disconnected from the second electrical ground input and/or a battery voltage.

Abstract: A process for reducing the volatile and semi-volatile organic content (VOC and FOG values) of a heterophasic polypropylene composition, the heterophasic polypropylene composition comprising (i) at least 15 wt.-% of at least a first heterophasic polypropylene; (ii) less than 15 wt.-% of at least one elastomeric polyolefin, (iii) at least one filler; (iv) optionally polyethylene; and (v) optionally further polyolefins to below 100 ?g/g (VOC, VDA 278 October 2011) and below 390 ?g/g (FOG, VDA 278 October 2011), the process involving aerating the first heterophasic polypropylene and each further polyolefin component that is present in an amount of at least 15 wt.-% relative to the total weight of the heterophasic polypropylene composition, before extruding these aerated components with the at least one elastomeric polyolefin and the at least one filler and the optional polyethylene and/or optional further polyolefin(s).

Abstract: An electrical power supply circuit includes at least two parallel power supply branches. Each power supply branch is adapted to be connected to or disconnected from a corresponding power source. Each power supply branch is adapted to be connected to or disconnected from a reference potential. Each power supply branch is adapted to avoid reverse current from flowing into the power supply branch.

Abstract: A device for reducing high-frequency interferences between first and second windings of a transformer that includes a first winding (W1) and a second winding (W2), which are wound around a common core, wherein the first winding (W1) is an interference-emitting winding and a shielding winding (WS) or a shielding film (WS) is arranged between the first winding (W1) and the second winding (W2), wherein the shielding winding (WS) and the core are connected to the reference potential (B) of the first winding (W1).

Abstract: The present invention is directed to a polypropylene composition (C) a melt flow rate MFR2 (230° C.) determined according to ISO 1133 in the range of 15 to 40 g/10 min, the use of said polypropylene composition (C) for the production of a foamed article and a foamed article comprising said polypropylene composition (C).

Abstract: A polypropylene composition comprising oligomers having a semi-volatile organic condensable (FOG, VDA 278 October 2011), content of 50 ?g/g to about 400 ?g/g of the total polypropylene composition, and volatile organic compounds (VOC, VDA 278 October 2011) in an amount of less than 80 ?g/g of the total polypropylene composition, wherein the weight ratio of said oligomers versus said volatiles is more than about 5.0, wherein the polypropylene composition has an MFR2 (ISO 1133, 230° C., 2.16 kg) of 10 g/10 min or higher, wherein the polypropylene composition a flexural modulus (ISO 178 on injection moulded specimens of 80×10×4 mm prepared in accordance with ISO 294-1:1996) of from 1000 to 2000 MPa, and wherein the total quantity of slip agent is at least 500 ppm.