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The installation contains a current conductor producing Joulean heat in the operating state, a cooling element and a monitoring device. The cooling element has a condensable working medium and an evaporator, which can be heated by the current conductor of the installation, and a condenser which has

The installation contains a current conductor producing Joulean heat in the operating state, a cooling element and a monitoring device. The cooling element has a condensable working medium and an evaporator, which can be heated by the current conductor of the installation, and a condenser which has been withdrawn from the heating effect of the current conductor. The monitoring device comprises at least one sensor for detecting a parameter of the cooling element and an evaluation unit, which receives output signals from the sensor. In the evaluation unit, the output signals of the sensors are evaluated and a signal describing the state and/or the functionality of the cooling element is formed there. This installation is characterized by high operational reliability with a high current-carrying capacity and dimensions which are kept small.

대표청구항 ▼

What is claimed is: 1. An electrical installation of an outgoing generator line with a current conductor, which produces Joulean heat during operation of the installation, and is at a high voltage potential and with a cooling element, which contains a condensable working medium and is in the form o

What is claimed is: 1. An electrical installation of an outgoing generator line with a current conductor, which produces Joulean heat during operation of the installation, and is at a high voltage potential and with a cooling element, which contains a condensable working medium and is in the form of a heat pipe and has an evaporator, which can be heated by the current conductor of the installation, and a condenser, which is withdrawn from a heating effect of the current conductor, and wherein the evaporator is coupled thermally to the current conductor, wherein the current conductor is in thermally conductive contact with the cooling element, the cooling element has an insulator in order to lead the condenser to an electrical potential of an encapsulation of the outgoing generator line, and by a monitoring device with at least one first sensor for detecting a parameter of the cooling element and with an evaluation unit that receives output signals from the first sensor, evaluates the output signals, and forms a signal describing at least one of a state and a functionality of the cooling element. 2. The installation as claimed in claim 1, wherein at least one second sensor is provided to detect an operational parameter of the installation, and wherein an output of the at least one second sensor is connected to an arithmetic unit of the evaluation unit. 3. The installation as claimed in claim 2, wherein the second sensor is configured and arranged for a contactless detection of an air temperature prevailing in an internal area between the encapsulation and the current conductor or a temperature of the current conductor. 4. The installation as claimed in claim 1, wherein the first sensor is arranged to detect at least one of a temperature and a temperature distribution of the condenser, detect a pressure of the working medium in the cooling element or detect a flow behavior, in particular a throughflow, of the working medium in the cooling element. 5. The installation as claimed in claim 4, wherein the first sensor is a temperature sensor and is arranged at a distance from the cooling element and is configured to detect thermal radiation. 6. The installation as claimed in claim 5, wherein the temperature sensor is a thermal imaging camera. 7. The installation as claimed in claim 4, wherein the first sensor, of a flow sensor and is configured for an optical, a magnetic or a capacitive detection of the flow of the working medium. 8. The installation as claimed in claim 7, wherein the installation includes a second sensor that is configured to detect partial discharges. 9. The installation as claimed in claim 4, wherein the installation includes a second sensor that is configured to detect partial discharges. 10. The installation as claimed in claim 9, wherein at least two first sensors are provided to detect different parameters of the cooling element. 11. The installation as claimed in claim 4, wherein at least two first sensors are provided that each detect different parameters of the cooling element. 12. The installation as claimed in claim 11, wherein at least one second sensor is provided to detect an operational parameter of the installation, and wherein an output of the at least one second sensor is connected to an arithmetic unit of the evaluation unit. 13. An electrical installation of an outgoing generator line with a current conductor, which produces Joulean heat during operation of the installation, and is at a high voltage potential and with a cooling element, which contains a condensable working medium, is a heat pipe and has an evaporator, which can be heated by the current conductor of the installation, and a condenser, which is withdrawn from a heating effect of the current conductor, and wherein the evaporator is coupled thermally to the current conductor, wherein the current conductor is held within an encapsulation of the outgoing generator line, the current conductor is in thermally conductive contact with the cooling element, in that all the parts of the cooling element are at high voltage potential, and by a monitoring device with at least one first sensor fix that detects a parameter of the cooling element and with an evaluation unit, which receives output signals from the first sensor, for evaluating the output signals and for forming a signal describing at least one of a state and a functionality of the cooling element. 14. The installation as claimed in claim 13, wherein the at least one first sensor comprises detects at least one of a temperature and a temperature distribution of the condenser, detects a pressure of the working medium in the cooling element, or detects a flow behavior, and in particular a throughflow of the working medium in the cooling element. 15. An electrical installation of an outgoing generator line with a current conductor, which produces Joulean heat during operation of the installation, and is at a high voltage potential and with a cooling element, which contains a condensable working medium and is in the form of a heat pipe and has an evaporator, which can be heated by the current conductor of the installation, and a condenser, which is withdrawn from a heating effect of the current conductor, and wherein the evaporator is coupled thermally to the current conductor, wherein the current conductor is in thermally conductive contact with the cooling element, the cooling element has an insulator in order to lead the condenser to ground potential or to an electrical potential of an encapsulation, and by a monitoring device with at least one first sensor for detecting a parameter of the cooling element and with an evaluation unit that receives output signals from the first sensor, evaluates the output signals, and forms a signal describing at least one of a state and a functionality of the cooling element, wherein the at least one first sensor is arranged to detect at least one of a temperature and a temperature distribution of the condenser, detect a pressure of the working medium in the cooling element or detect a flow behavior, in particular a throughflow, of the working medium in the cooling element, wherein the encapsulation, which is configured to guide reverse current and on which the condenser, which is held at the electrical potential of the encapsulation, of the cooling element is arranged, wherein the temperature sensor is a thermocouple. 16. The installation as claimed in claim 15, wherein the at least one first sensor comprises at least two temperature sensors, which are each thermocouples, provided on the cooling element. 17. The installation as claimed in claim 16, wherein the first sensor is a flow sensor and is configured for an optical, a magnetic or a capacitive detection of the flow of the working medium. 18. A method for monitoring the installation as claimed in claim 1, wherein: at least one parameter of the cooling element in a form of a heat pipe is detected, the detected parameter is compared with predetermined values for the parameter to produce comparison values, and from the comparison values, a signal describing at least one of a state and a functionality of the cooling element is formed, which signal can be called up for a diagnosis or an early diagnosis of the cooling element or is output as an alarm signal above a limit value. 19. The method as claimed in claim 18, wherein the at least one parameter of the cooling element is detected during operation of the installation. 20. The method as claimed in claim 18, wherein the at least one parameter of the cooling element is detected before the installation is first brought into operation or during maintenance work on the installation. 21. The method as claimed in claim 18, wherein the detected parameters are adjusted prior to the comparison with a current or a temperature of the current conductor or in a case of an encapsulated installation with an air temperature prevailing in an internal area between the encapsulation and the current conductor. 22. A method for monitoring the installation as claimed in claim 3, wherein: at least one parameter of the cooling element, which is a heat pipe, is detected, the detected parameter is compared with predetermined values for the parameter to generate comparison values, and from the comparison values, a signal describing at least one of a state and a functionality of the cooling element is formed, which signal can be called up for a diagnosis or an early diagnosis of the cooling element or is output as an alarm signal above a limit value. 23. The method as claimed in claim 21, wherein the at least one parameter of the cooling element is detected during operation of the installation.