Abstract: A problem addressed by embodiments of the invention disclosed herein consists in devising a connection device in which field terminations can be released also in the installed state, i.e., the electrical conductors can be manually disconnected using a simple tool even if the insulating body is already installed in an attachment housing. To this end, an actuator is proposed which has an inclined engagement portion with an adjoining engagement edge and engagement step by which the actuator can be lifted out of the insulating body, also from the cable connection side, with a slotted screwdriver in a single lifting movement.

Abstract: A problem addressed by embodiments of the invention disclosed herein consists in devising a connection device in which field terminations can be released also in the installed state, i.e., the electrical conductors can be manually disconnected using a simple tool even if the insulating body is already installed in an attachment housing. To this end, an actuator is proposed which has an inclined engagement portion with an adjoining engagement edge and engagement step by which the actuator can be lifted out of the insulating body, also from the cable connection side, with a slotted screwdriver in a single lifting movement.

Abstract: The application describes a method of operating a gas turbine during a cool-down phase. The gas turbine provides a compressor, a combustor downstream of the compressor, and a turbine downstream of the combustor, with the turbine providing a turbine vane carrier. The method includes feeding a flow of cooling air from the compressor to the turbine vane carrier, measuring a temperature of the flow of cooling air and measuring a temperature of the turbine vane carrier. In the method, the flow of cooling air is fed at a first flow rate when the temperature of the turbine vane carrier is lower than the temperature of the cooling air, and the flow of cooling air is fed at a second flow rate when the temperature of the turbine vane carrier is higher than the temperature of the cooling air, wherein the first flow rate is higher than the second flow rate.

Abstract: A method and apparatus for the operation of a gas turbine unit with an evaporative intake air cooling system in the intake air pathway, wherein the return water flow of the evaporative intake air cooling system is used for the cooling of components of the gas turbine unit and/or of a generator coupled to the gas turbine unit and/or of another element coupled to the gas turbine unit, and a gas turbine unit adapted to be operated using this method.

Abstract: Provided is a plug connector housing for protecting a plug connector. The housing has at least one pre-equipped cable outlet for connecting a threaded cable connection and at least one closure for closing the at least one cable outlet. The at least one cable outlet has a thread which forms a screw channel and the plug connector housing has a predetermined breaking point in the transition region to the closure. Also provided is a method for opening a cable outlet of a plug connector housing.

Abstract: The application describes a method of operating a gas turbine during a cool-down phase. The gas turbine provides a compressor, a combustor downstream of the compressor, and a turbine downstream of the combustor, with the turbine providing a turbine vane carrier. The method includes feeding a flow of cooling air from the compressor to the turbine vane carrier, measuring a temperature of the flow of cooling air and measuring a temperature of the turbine vane carrier. In the method, the flow of cooling air is fed at a first flow rate when the temperature of the turbine vane carrier is lower than the temperature of the cooling air, and the flow of cooling air is fed at a second flow rate when the temperature of the turbine vane carrier is higher than the temperature of the cooling air, wherein the first flow rate is higher than the second flow rate.

Abstract: Provided is a plug connector housing for protecting a plug connector. The housing has at least one pre-equipped cable outlet for connecting a threaded cable connection and at least one closure for closing the at least one cable outlet. The at least one cable outlet has a thread which forms a screw channel and the plug connector housing has a predetermined breaking point in the transition region to the closure. Also provided is a method for opening a cable outlet of a plug connector housing.

Abstract: The invention relates to an electric coupling element (1). Pin or socket contact elements (20), with which an electric means of a screwable connection means (28), are arranged in an electrically insulating main part (10). Openings (18) in the main part (10) are covered by means of a covering panel (30) I order to ensure the electric insulation of the individual contact elements (20). For assembly purposes, the covering panel (30) is movably attached to the main part (10) such that the covering panels (30, 30?) of two coupling elements (1, 1?) are mutually actuated when joined together.

Abstract: The invention relates to an electric coupling element (1). Pin or socket contact elements (20), with which an electric means of a screwable connection means (28), are arranged in an electrically insulating main part (10). Openings (18) in the main part (10) are covered by means of a covering panel (30) I order to ensure the electric insulation of the individual contact elements (20). For assembly purposes, the covering panel (30) is movably attached to the main part (10) such that the covering panels (30, 30?) of two coupling elements (1, 1?) are mutually actuated when joined together.

Abstract: With a method for controlling a gas turbine in a power plant, a multiplicity of operating lines for the gas turbine for different gas turbine inlet temperatures TIT or gas turbine exhaust temperatures TAT and positions of the compressor inlet guide vane cascade VIGV are specified as a function of the load. For minimizing the electricity production costs during operation switching can be optionally carried out between different operating lines during constant or varying power output of the power plant.

Abstract: The invention relates a method for operating a power plant with a single shaft gas turbine, in which the gas turbine is operated at a constant speed which is below the speed at which the gas turbine is turning when the first generator is synchronized to an electric grid. The proposed method ensures good stable combustion with low emissions, a high turbine exhaust temperature, and minimized fuel consumption.

Abstract: A method and apparatus for the operation of a gas turbine unit with an evaporative intake air cooling system in the intake air pathway, wherein the return water flow of the evaporative intake air cooling system is used for the cooling of components of the gas turbine unit and/or of a generator coupled to the gas turbine unit and/or of another element coupled to the gas turbine unit, and a gas turbine unit adapted to be operated using this method.

Abstract: The invention relates to a method for determination of a temperature, mass-averaged over a flow cross-section, of a gas flow in a gas turbine or the like, particularly during partial load operation of the gas turbine. The invention also relates to a control apparatus, which can be operated using the method according to the invention, for controlling a gas turbine installation. The method according to the invention comprising the steps of the temperature value of the gas flow being detected by a sensor or sensors at at least one position in the gas flow in the area of the flow cross-section, of determination of a correction value for correction of the temperature value for compensation for non-uniformities in the temperature profile of the gas flow across the flow cross-section as a function of at least one operating-point-specific parameter, and of correcting the temperature value, which is recorded by a sensor or sensors, by the correction value.

Abstract: With a method for controlling a gas turbine in a power plant, a multiplicity of operating lines for the gas turbine for different gas turbine inlet temperatures TIT or gas turbine exhaust temperatures TAT and positions of the compressor inlet guide vane cascade VIGV are specified as a function of the load. For minimizing the electricity production costs during operation switching can be optionally carried out between different operating lines during constant or varying power output of the power plant.

Abstract: A plug-connector body for latching-in in a switch cabinet or the like includes pin-shaped fastening elements mounted on the plug connector body for sliding into latching slits on a carrier body.

Abstract: The invention relates to a method for determination of a temperature, mass-averaged over a flow cross-section, of a gas flow in a gas turbine or the like, particularly during partial load operation of the gas turbine. The invention also relates to a control apparatus, which can be operated using the method according to the invention, for controlling a gas turbine installation. The method according to the invention comprising the steps of the temperature value of the gas flow being detected by a sensor or sensors at at least one position in the gas flow in the area of the flow cross-section, of determination of a correction value for correction of the temperature value for compensation for non-uniformities in the temperature profile of the gas flow across the flow cross-section as a function of at least one operating-point-specific parameter, and of correcting the temperature value, which is recorded by a sensor or sensors, by the correction value.

Abstract: For an electric hermaphroditic plug-in connector a hermaphroditic contact with a plug-in area and a terminal area is proposed that consists of a solid, single-piece contact part, the plug-in area being formed as an adjacent sleeve and pin contact and a separate, elastic contact element being provided in the sleeve contact.