Abstract: The invention relates to a method for pressing bales of material in a baler. The method comprises the steps of feeding the material into the baler through an inlet, pre-compressing the material under a number of compressing cycles by means of a first press, transporting the pre-compressed material by means of a transport unit into a second press, and compressing the pre-compressed material by means of the second press into a finished bale of compressed material. The method is characterised in that the step of transporting the pre-compressed material by means of a transport unit into a second press is conducted in a space of the baler, such that an undesirable expansion of the pre-compressed material can be prevented. The invention is also related to a baler for pressing bales of material.

Abstract: A first converter station is part of a high voltage direct current transmission system that includes a DC transmission link connected to the first converter station a second converter station. A DC current and a DC voltage of the DC transmission link are sensed by the first converter station. It is determined that the sensed DC current is equal to or larger than a threshold current value, that the sensed DC current is equal to or larger than the threshold current value, and that at least a partial recovery of the sensed DC voltage has occurred. On the basis that it is determined that the at least a partial recovery of the sensed DC voltage has occurred, it is determined that a phase-to-ground fault has occurred. In response to determining that a phase-to-ground fault has occurred, a power delivered by the first converter station can be reduced.

Abstract: A voltage source converter (VSC) system of a high-voltage direct current (HVDC) system is disclosed. The system includes a number of line-commutated converter (LCC) transformers. Each LCC transformer is operable to transform alternate current (AC) voltage. A number of VSC converter units are connected in series and coupled to the plurality of LCC transformers. Each VSC converter unit is operable to convert between the AC voltage and direct current (DC) voltage. A bypass breaker is connected in parallel with at least one of the VSC converter units and operable to be closed to bypass the at least one VSC converter unit.

Abstract: A drainage tray may be provided for collecting condensate from a heat pump that is adapted to be mounted on a support. The support may be mountable to at least one supporting structure to carry the weight of the heat pump and the support. The drainage tray may include a peripheral edge portion defining a central recessed portion configured to collect condensate. A condensate outlet may be provided for removing the condensate from the tray. The drainage tray may be configured to be arranged between an underside of the heat pump and the support. The drainage tray may have a trapezoidal shape.

Abstract: A drainage tray for collecting condensate from a heat pump is disclosed, where the heat pump (3) being adapted to be mounted on a support (4) being mountable to at least one supporting structure to carry the weight of the heat pump (2) and the support (4) wherein the tray (2) comprises a peripheral and preferably inclined edge portion (7) defining a central recessed tray portion (8) configured to collect condensate, wherein the tray further comprises a condensate outlet (9) for removing the condensate from the tray (2).

Abstract: Radio network node comprises a plurality of antenna sub arrays, forming a multiple antenna array which is configured for beamforming, spatial multiplexing and Multiple Input Multiple Output, MIMO, transmission/reception, and further comprising an antenna base band processing unit and a central base band processing unit. The radio network node further comprises a plurality of antenna active modules, wherein each active antenna module is connected to one of the antenna sub arrays, comprised in the multiple antenna array, and wherein each active antenna module is configured for pre-processing of signals over the respective antenna sub array, before any forwarding of signals is made to the central base band processing unit.

Abstract: A braking device of lever type, wherein actuation means is realized in the form of a screw jack (19) comprising an electric motor (20) and an angle gear (21) driving a jack screw (22) which is coupled between the levers (2; 5). A load sensor (29) coupled to one lever controls, via a power regulating means (25), the force applied in braking mode. A position sensor (31) coupled to the other lever determines the lever's positions in idling mode.

Abstract: A compressor arrangement has a main compressor section and boundary walls of a main fluid path through the main compressor section. The main compressor section is segmented into an upstream and downstream sub section, each with at least one row of blades and vanes arranged within the main fluid path. A transition piece is downstream of the rows of blades and has boundary walls of the main fluid path through the transition piece. The compressor arrangement has an annular cavity, an effusion opening connecting the downstream sub section or the transition piece and the cavity, at least one valve to control effusion of compressor fluid from the main fluid path into the cavity, and a passage connecting the cavity and the main compressor section to guide fluid located between the upstream and downstream sub section and located at least one row of blades and vanes upstream of the effusion opening.

Abstract: The present specification generally relates to the field of satellite communication and particularly discloses a method and arrangement for providing broadband from a hybrid satellite-terrestrial solution. The system is adapted to have a improved latency in a less complex construction that provides overall cost benefits and comprises a user terminal, a satellite and a satellite gateway.

Abstract: A compressor arrangement has a main compressor section and boundary walls of a main fluid path through the main compressor section. The main compressor section is segmented into an upstream and downstream sub section, each with at least one row of blades and vanes arranged within the main fluid path. A transition piece is downstream of the rows of blades and has boundary walls of the main fluid path through the transition piece. The compressor arrangement has an annular cavity, an effusion opening connecting the downstream sub section or the transition piece and the cavity, at least one valve to control effusion of compressor fluid from the main fluid path into the cavity, and a passage connecting the cavity and the main compressor section to guide fluid located between the upstream and downstream sub section and located at least one row of blades and vanes upstream of the effusion opening.

Abstract: A method to operate a combustor of a gas turbine is provided. The method includes monitoring the combustion gas temperature by temperature measurements downstream said combustor to measure a respective combustion gas temperature at different locations at respectively equal flow-distances to the burner of the combustion gas, comparing the temperature measurements, opening a valve or increasing the opening position of the valve to control the portion of oxygen containing gas to be tapped off when the comparison reveals that a difference between the temperature measurements exceeds a temperature difference threshold ?T1.

Abstract: A drainage tray for collecting condensate from a heat pump is disclosed, where the heat pump (3) being adapted to be mounted on a support (4) being mountable to at least one supporting structure to carry the weight of the heat pump (2) and the support (4) wherein the tray (2) comprises a peripheral and preferably inclined edge portion (7) defining a central recessed tray portion (8) configured to collect condensate, wherein the tray further comprises a condensate outlet (9) for removing the condensate from the tray (2).

Abstract: An objective of the invention to provide a hybrid converter station for HVDC system and the method operating the same. The hybrid rectifier station for high voltage direct current system includes: at least one AC bus; at least one line commutated converter configured to convert a portion of AC power supplied from the at least one AC bus to DC power transmitted on HVDC transmission line of the high voltage direct current system thereby generating reactive power demand; and at least one voltage source converter; wherein: the at least one line commutated converter and the at least one voltage source converter are coupled in parallel to the HVDC transmission line; and the at least one voltage source converter is configured to compensate the reactive power demand via the parallel coupling while converting another portion of the AC power supplied from the at least one AC bus to DC power transmitted on the HVDC transmission line.

Abstract: The present invention relates to a process of oxidizing copper in a copper etching solution by using oxygen gas and/or air as an oxidizing agent, the process comprising the steps of: a) introducing the oxidizing agent into an acidic reduced copper etching solution comprising Cl? and Cu+, b) stirring the solution obtained in step a), and thereby allowing the reaction 2Cu++½O2 (aq)+2H+?2Cu2++H2O to occur, thereby producing an oxidized copper etching solution comprising less Cu+ than the reduced copper etching solution. An advantage of the present invention is that it provides an improved process at least in terms of the speed of the oxidation and the quality of the etching.

Abstract: An assembly includes a gas turbine and a heat exchanger for heating up a gas turbine process fluid by thermal energy. The gas turbine has a compressor, a combustor and a turbine downstream of the combustor, wherein the thermal energy is from the solar receiver. To improve efficiency and reduce power generation fluctuations, the assembly includes a first line to conduct the gas turbine process fluid downstream a compression by the compressor to the heat exchanger, and a second line to conduct the gas turbine process fluid from the heat exchanger to the combustor to generate hot combustion gas from the warmed up gas turbine process fluid burning fuel in the combustor.

Abstract: A burner of a gas turbine extending along an axis is provided having in axial order: a swirler section, mixing section, outlet section, and main combustion zone. The swirler section has swirler vanes to swirl a stream of fuel and oxygen containing gas entering therein in a circumferential direction. The mixing section conducts the premix of fuel and oxygen containing gas to the outlet section. The outlet section discharges the premix into the combustion zone expanding the flow of premix from a smaller axial cross section of the mixing section to a larger cross section of the combustion zone which streamlines the flow to diverge radially. A surface of the outlet section facing the flow of the premix is provided with first fuel nozzles injecting fuel into the premix into a radial inwardly inclined direction before the flow of the premix enters the outlet section into the combustion zone.

Abstract: The present invention relates to a polyolefin composition comprising a polyolefin (A), a fullerene composition (B) which comprises: a C60 fullerene or a C60 chemical derivative selected from the group consisting of methanofullerene derivatives, PCBM derivatives, ThCBM derivatives, Prato derivatives, Bingel derivatives, diazoline derivatives, azafulleroid derivatives, ketolactam derivatives, and Diels-Alder derivatives; or a C70 fullerene or a C70 chemical derivative selected from the group consisting of methanofullerene derivatives, PCBM derivatives, ThCBM derivatives, Prato derivatives, Bingel derivatives, diazoline derivatives, azafulleroid derivatives, ketolactam derivatives, and Diels-Alder derivatives; or a blend of fullerenes; a master batch, a cable, and uses thereof.

Abstract: This invention provides a composition comprising: (i) a chitosan hydrogel comprising cross-linked chitosan and water; and (ii) a liquid dispersed in the hydrogel.

Abstract: The present invention relates to a process of oxidizing copper in a copper etching solution by using oxygen gas and/or air as an oxidizing agent, the process comprising the steps of: a) introducing the oxidizing agent into an acidic reduced copper etching solution comprising Cl? and Cu+, b) stirring the solution obtained in step a), and thereby allowing the reaction 2Cu++½O2 (aq)+2H+?2Cu2++H2O to occur, thereby producing an oxidized copper etching solution comprising less Cu+ than the reduced copper etching solution. An advantage of the present invention is that it provides an improved process at least in terms of the speed of the oxidation and the quality of the etching.

Abstract: The present invention relates to a polyolefin composition comprising (A) a polyolefin, (B) a compound comprising, preferably consisting of, the structural unit according to the following formula (I): wherein R is C or N; R1 is hydrogen, a heteroatom or a hydrocarbyl group which may contain heteroatoms; R2, R3, R4, R5, R6, R7, R8 and R9 independently are hydrogen, or a hydrocarbyl group which may contain heteroatoms; or at least two of said R2, R3, R4, R5, R6, R7, R8 and R9 together with the ring atoms of the ring system of formula (I) they are attached to, form a further aromatic or non-aromatic ring fused to the ring system of formula (I); also to a wire or cable, in particular a medium, high or extra high voltage cable, comprising such a composition, and to the use of such a composition for the production of a wire or cable, in particular a medium, high or extra high voltage cable.