EP3928069A1 - Appareil haute tension et procédé de détermination du risque de condensation dans des armoires dans un tel appareil haute tension - Google Patents

Appareil haute tension et procédé de détermination du risque de condensation dans des armoires dans un tel appareil haute tension

Info

Publication number
EP3928069A1
EP3928069A1 EP20710815.0A EP20710815A EP3928069A1 EP 3928069 A1 EP3928069 A1 EP 3928069A1 EP 20710815 A EP20710815 A EP 20710815A EP 3928069 A1 EP3928069 A1 EP 3928069A1
Authority
EP
European Patent Office
Prior art keywords
data processing
cabinet
temperature
processing unit
values
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20710815.0A
Other languages
German (de)
English (en)
Inventor
Matthias Heinecke
Thomas Hilker
Robert Knuth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Energy Global GmbH and Co KG
Original Assignee
Siemens Energy Global GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Energy Global GmbH and Co KG filed Critical Siemens Energy Global GmbH and Co KG
Publication of EP3928069A1 publication Critical patent/EP3928069A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
    • G01K3/14—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of space
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035—Gas-insulated switchgear
    • H02B13/065—Means for detecting or reacting to mechanical or electrical defects
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0213—Venting apertures; Constructional details thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035—Gas-insulated switchgear
    • H02B13/045—Details of casing, e.g. gas tightness

Definitions

  • the invention relates to a high voltage device and a
  • Circuit breakers, heaters are integrated to protect the electronics and electromechanical components in the cabinets from condensation and low temperatures of less than -30 ° C. If the heating fails, there is a risk that the contained in the air
  • the functionality of the heating in such a cabinet is usually not checked. It is known to monitor the heating current in order to do so
  • the object of the invention is to simplify the determination of the risk of condensation in the high-voltage device mentioned at the beginning and the method mentioned at the beginning.
  • the invention solves this problem by a method of the type mentioned at the beginning, in which by means of an in the cabinet arranged indoor temperature sensor the
  • Outside temperature is determined by obtaining outside temperature values T A , the inside temperature values Ti and the
  • Outside temperature values T A are transmitted to a data processing unit, the data processing units by calculating the difference between the inside temperature value Ti and the outside temperature values T A
  • the invention also solves this problem
  • High-voltage device of the type mentioned at the outset having a cabinet in which a heating device is provided, one arranged in the cabinet
  • Has data processing unit which with the
  • Communication unit can be connected and is set up to carry out the aforementioned method.
  • High voltage device provided, which is a convenient
  • the inside temperature of the cabinet is detected by an inside temperature sensor which is expediently arranged in said cabinet.
  • the interior temperature sensor should be as wide as possible
  • a further temperature sensor is provided within the scope of the invention, which is arranged outside the cabinet and determines the external temperature, the external temperature values thus also being transmitted to the data processing unit.
  • the data processing unit forms the difference between the internal temperature values Ti and those recorded at the same time
  • the risk of condensation occurring in the cabinet can be derived quickly and with a high degree of certainty from the temperature difference.
  • the temperature difference can be derived quickly and with a high degree of certainty from the temperature difference.
  • Data processing unit a warning signal when the
  • Temperature difference T D is less than 3 degrees Celsius or 3 degrees Kelvin.
  • a warning signal by means of a specific coloring of the high-voltage device.
  • a high-voltage device can be displayed in green without the risk of condensation if the temperature difference between the inside and outside temperature is within 3 degrees Kelvin. In other words, if the inside temperature is at least three degrees Kelvin higher than the outside temperature, there is no risk of condensation. Warm air can hold more water than colder air. From the outside in the closet
  • penetrating air is less relative air humidity.
  • the threshold value falls below 3 K or 3 ° C, there is a risk that the
  • a high-voltage device that has such a cabinet would then be displayed in red, for example.
  • the data processing unit expediently determines the change in the temperature difference T D as a function of time. It is useful if the
  • the data processing unit has a memory unit on which the measured data, that is to say the outside temperature values T A and the inside temperature values Ti, can be continuously stored.
  • a time value is assigned to each stored temperature value.
  • the data processing unit determines the state of an open cabinet door when the
  • Temperature difference value T D drops to 3 degrees Celsius within 1-3 minutes. On the basis of the time-dependent detection of the temperature difference value T D , it can be determined whether the door of the cabinet is, for example, during an inspection carried out as part of maintenance
  • the temperature difference values T D are in the range between 5 degrees and 20 degrees Celsius. According to an expedient further development of the
  • the number of states of an open cabinet door is determined within a time interval.
  • the frequency of door openings can be determined. This is advantageous in terms of the safety of the operation of the high voltage device.
  • the cabinet is closed and a corresponding warning signal is issued.
  • the warning signal is sent to a user in the form of a text message, for example, who then recognizes the failure of the heating and can then initiate appropriate measures.
  • the internal temperature sensor is expediently arranged away from the air flow of the cabinet ventilation openings. A flow of air can falsify the result of the internal temperature measurement.
  • the data processing unit generates a warning signal that the additional heating device of the cabinet has failed if the inside temperature value Ti is less than -30 degrees Celsius at outside temperature values T A of less than -33 degrees Celsius. The failure of the additional heater in the cabinet of the
  • the high-voltage device is critical at low temperatures, as the previously warm air can absorb more humidity than colder air. If the warm air is therefore cooled down quickly, condensation water is likely to occur, so that a quick reaction is required.
  • the inside temperature sensor and the outside temperature sensor are connected to a short-range communication link
  • Communication unit connected, the Communication unit for a long-range communication link connected to the data processing unit and the data processing unit a
  • the communication unit is arranged on the high-voltage device or in its vicinity, that is to say a maximum of 100 meters away from it. According to this
  • Communication unit for example a communication box, which has at least one analog and at least one digital input. Of course, several analog and / or digital inputs can also be provided. In any case, the communication unit is both with the
  • the communication unit has, for example, a processor, for example a main processor and
  • the communication unit is in turn via a
  • a data processing cloud is to be understood here as an arrangement with one or more data storage devices and one or more data processing devices, which can be designed by suitable programming to carry out any data processing processes.
  • the data processing devices generally represent universal data processing devices, such as servers, which with regard to their Construction and its programming initially do not have any specific design. Only after programming can the universal
  • the data processing cloud has several individual
  • Has components, these are connected to one another in a suitable manner for data communication, for example by a communication network.
  • Any data for data storage and / or processing can be carried out in a data processing cloud.
  • the data processing cloud itself makes the stored data and / or the events of the stored data processing available to other devices, for example computer stations, laptops, smartphones connected to a data processing cloud.
  • a data processing cloud can, for example, be provided by a data center or several networked data centers. Usually the
  • Data processing cloud takes place via a so-called
  • the communication unit has a long-range communication device, such as a cellular telephone, or a wireless personal area network (WLAN), or a wireless personal area network (WLAN), or a wireless personal area network (WLAN), or a wireless personal area network (WLAN), or a wireless personal area network (WLAN), or a wireless personal area network (WLAN).
  • a long-range communication device such as a Bluetooth, or a Wi-Fi Protected Access (WPA)
  • a long-range communication connection is preferably an IP-based one
  • Data connection established with the data processing cloud For example, a provider of a
  • the long-range communication link can be established at least partially via a communication network of this provider and / or at least partially via the Internet.
  • To Establishing the connection then requires only very little configuration or parameterization effort. Except for those for establishing the long-range communication link
  • the temperature sensors are within the scope of the invention via a short-range communication link with the
  • the short-range communication link can be a simple cable, for example.
  • the short-range communication connection is, for example, a ZigBee, a Bluetooth, a wireless, Ambus or WiFi communication connection.
  • the communication link extends over a maximum connection distance of 100 meters.
  • a high-voltage device within the scope of the invention is, for the operation of a high-voltage network, for example a
  • the high voltage network is preferably a
  • AC voltage network But also a DC voltage network and / or a combination of AC and
  • Temperature sensors are considered, of course, specially adapted temperature sensors can also be used within the scope of the invention.
  • the communication unit expediently has a local storage unit and a processor, the internal temperature values or external temperature values transmitted by the temperature sensors being local to the storage unit
  • circuit breaker for example a circuit breaker, a load break switch, a transformer, a converter, a matrix switch, a DC voltage switch or the like.
  • the communication unit expediently has an antenna for position determination. Using the antenna is a determination of the geographic location of the respective
  • Position determination is known to the person skilled in the art. For this purpose, reference is made to the so-called Global Positioning Systems, Galileo or the like.
  • the communication unit has a long-range communication device and is connected to the
  • Data processing unit can be connected via a long-range communication link.
  • FIG 1 shows an embodiment of the invention
  • Figure 2 shows a switch cabinet of the high-voltage device according to
  • Figure 3 shows the high-voltage device according to Figure 1 in connection with a data processing cloud for
  • FIG. 1 shows a high-voltage device 20, which as
  • High-voltage circuit breaker is carried out.
  • the high-voltage circuit breaker has three switch poles 1, 2, 3.
  • Each switching pole 1, 2, 3 is equipped with an upper and a middle outdoor connection, each of which is used to connect an air-insulated connection line 4.
  • the outdoor connections are through an elongated hollow
  • Insulator column spaced from one another, a stationary fixed contact being arranged in the interior of the insulator column, opposite which a moving contact is located in the longitudinal direction.
  • the contact pieces making contact with one another can be separated from one another or vice versa.
  • Switch poles 1, 2, 3 to one another, current can flow via the respective switch pole 1, 2, 3.
  • the contact pieces are separated from one another, that is, when the switch poles 1, 2, 3 are open, the current path via the switch poles 1, 2, 3 is interrupted.
  • All the isolator columns are mounted on a common support frame 5, which is firmly supported on the floor by means of suitable feet.
  • a switch cabinet 6 can be seen below the support frame 5, the cabinet door of which is closed in FIG.
  • FIG. 2 shows the switch cabinet 6 with the cabinet door open. It can be seen that in the control cabinet 6 a
  • the Drive device 7 is arranged.
  • the drive unit 7 has in its interior a closing spring and a
  • Switch-off spring which are illustrated schematically in FIG. If the switch is on and becomes a
  • an internal temperature sensor 10 can also be seen, which has a close-range
  • Communication link 11 is connected to a communication unit 12.
  • the communication unit 12 is connected to a data processing cloud (not shown in FIG. 2) via a long-range communication link 13, which is only indicated schematically.
  • Heating device 14 is provided in the cabinet 6, which ensures an increase in the internal temperature in the cabinet 6, so that the internal temperature is greater than the external temperature.
  • High-voltage circuit breaker 20 has an outside temperature sensor 15, which is also connected to the communication unit 12 on the switchgear cabinet 6 via a short-range communication link 11.
  • the short-range communication link 11 between the interior temperature sensor (not shown in the figures there) inside the cabinet 6 and the communication unit 12 is indicated schematically in FIG.
  • the internal temperature sensor 10 detects the internal temperature as a function of time, with the analog measurement signal
  • Internal temperature sensor 10 is sampled and samples are digitized to obtain internal temperature measurement values Ti. The digitized time-resolved
  • Internal temperature measurement values Ti are sent to the communication unit 12 via the short-range communication link 11.
  • the communication unit 12 has
  • At least one processor and one memory unit with an appropriate averaging of the incoming Internal temperature values Ti as well as incoming time-resolved external temperature values T A can be made.
  • FIG. 3 shows the high-voltage circuit breaker 20 as well as a data processing cloud 16, which via said
  • a user tablet 17 can also be seen in FIG. 3, which is also connected to the data processing cloud 16 via a long-range communication link 13.
  • Data processing cloud 16 receives the inside temperature values Ti and the outside temperature values T A from the
  • the data processing cloud 16 forms the temperature difference value T D by the
  • the data processing cloud 16 then generates a warning signal 18, which in this case is sent to the user tablet 17. After receiving the warning signal 17, e.g. the user with the help of his tablet 17 via the
  • Data processing cloud 16 in connection This is done by entering so-called user data or log-in data, which in the exemplary embodiment shown include a user name and a password assigned to the user name. After entering the user data, the connection between user cloud 16 and user tablet 17 is established, with the
  • Data processing cloud 16 for example, a
  • High-voltage circuit breaker 20 according to Figure 1 can be shown figuratively.
  • the risk of condensation can thus be indicated with the aid of the temperature difference value T D.
  • the time-resolved measured temperature difference value T D also enables certain events or events to be determined.
  • an open cabinet door is concluded when the temperature difference value T D drops quickly and falls from a value that is almost constant over time, for example 10 degrees Celsius to 3 degrees Celsius within 2 minutes. Such a rapid cooling indicates an open cabinet door.
  • the decrease in the temperature difference value T D from 10 degrees Celsius to 2 degrees Celsius is slower and lasts
  • the functionality of the heating device 14 is questionable, so that a corresponding warning signal 18 to which the user tablet 17 is sent.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

L'invention concerne un procédé de détermination du risque de condensation dans une armoire (6) d'un appareil haute tension (20) selon lequel - la température interne d'armoire qui règne dans l'armoire (6) est déterminée au moyen d'un capteur de température interne (10) disposé dans l'armoire (6) en obtenant des valeurs de température interne TI, - la température externe de l'armoire est déterminée au moyen d'un capteur de température externe (15) disposé à l'extérieur de l'armoire en obtenant des valeurs de température externe TA, - les valeurs de température interne TI et les valeurs de température externe TA sont transmises à une unité de traitement des données (16), - par calcul de la différence entre la valeur de température interne TI et les valeurs de température externe TA, les unités de traitement des données (16) déterminent une valeur de différence de température TD selon TD = TI - TA, l'unité de traitement des données (16) produisant un signal d'alerte (18) en cas de valeur de différence de température TD inférieure à 3 degrés Celsius. L'invention concerne en outre un appareil haute tension (20) qui est adapté pour mettre en œuvre le procédé selon l'invention.
EP20710815.0A 2019-03-28 2020-02-28 Appareil haute tension et procédé de détermination du risque de condensation dans des armoires dans un tel appareil haute tension Pending EP3928069A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019204300.3A DE102019204300A1 (de) 2019-03-28 2019-03-28 Hochspannungsgerät und Verfahren zum Ermitteln des Betauungsrisikos in Schränken in einem solchen Hochspannungsgerät
PCT/EP2020/055243 WO2020193069A1 (fr) 2019-03-28 2020-02-28 Appareil haute tension et procédé de détermination du risque de condensation dans des armoires dans un tel appareil haute tension

Publications (1)

Publication Number Publication Date
EP3928069A1 true EP3928069A1 (fr) 2021-12-29

Family

ID=69804832

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20710815.0A Pending EP3928069A1 (fr) 2019-03-28 2020-02-28 Appareil haute tension et procédé de détermination du risque de condensation dans des armoires dans un tel appareil haute tension

Country Status (5)

Country Link
US (1) US20220190563A1 (fr)
EP (1) EP3928069A1 (fr)
CN (1) CN113795738A (fr)
DE (1) DE102019204300A1 (fr)
WO (1) WO2020193069A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115719998B (zh) * 2022-11-17 2023-06-16 宁波天仑电气股份有限公司 一种智能开关柜的监管方法、系统以及存储介质

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62190455A (ja) * 1986-02-17 1987-08-20 Shinwa Package Kk 結露監視装置
US6161765A (en) * 1999-09-30 2000-12-19 Lucent Technologies, Inc. Outdoor enclosure with heated desiccant
DE20220204U1 (de) 2002-12-20 2004-04-22 Siemens Ag Heizungseinrichtung für einen Steuerschrank eines Hochspannungs-Leistungsschalters
US7886983B2 (en) * 2007-07-10 2011-02-15 Liebert Corporation Condensation prevention system and methods of use
CN204028729U (zh) * 2014-04-10 2014-12-17 国家电网公司 温湿度控制通风装置
FI10611U1 (fi) * 2014-06-10 2014-09-09 Abb Oy Koteloitu sähkölaite
EP3088984B1 (fr) * 2015-04-29 2017-12-20 ABB Schweiz AG Ensemble électrique comprenant des moyens de prévention de l'humidité
CN104833022B (zh) * 2015-04-29 2018-06-08 麦克维尔空调制冷(武汉)有限公司 一种空调机组低冷却进水温度启动的控制方法
EP3104511B2 (fr) * 2015-06-09 2020-09-09 MARICI Holdings The Netherlands B.V. Ensemble électrique
CN105509818A (zh) * 2016-02-01 2016-04-20 江苏省电力公司检修分公司 一种高压柜露点检测系统及其方法
CN106973560A (zh) * 2017-05-30 2017-07-21 朱盖想 一种户外机柜
US10962249B2 (en) * 2018-03-20 2021-03-30 Panasonic Intellectual Property Management Co., Ltd. Air conditioning apparatus and air conditioning control method
US11415464B2 (en) * 2018-04-10 2022-08-16 Advancetrex Sensor Technologies Corp. Infrared thermal monitoring system for industrial application

Also Published As

Publication number Publication date
WO2020193069A1 (fr) 2020-10-01
CN113795738A (zh) 2021-12-14
US20220190563A1 (en) 2022-06-16
DE102019204300A1 (de) 2020-10-01

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