WO2013113954A1 - Connecteur à capteurs monobloc et procédé de mesure et de correction faisant appel à ce dernier - Google Patents

Connecteur à capteurs monobloc et procédé de mesure et de correction faisant appel à ce dernier Download PDF

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Publication number
WO2013113954A1
WO2013113954A1 PCT/ES2012/070069 ES2012070069W WO2013113954A1 WO 2013113954 A1 WO2013113954 A1 WO 2013113954A1 ES 2012070069 W ES2012070069 W ES 2012070069W WO 2013113954 A1 WO2013113954 A1 WO 2013113954A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
sensor
integrated
analog
sensors
Prior art date
Application number
PCT/ES2012/070069
Other languages
English (en)
Spanish (es)
Inventor
Juan Antonio TALAVERA
Florentino RUIZ DE LOS PAÑOS
Daniel FERNÁNDEZ HEVIA
Juan Francisco VAQUERO
Original Assignee
Inael Electrical Systems, S.A.
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 Inael Electrical Systems, S.A. filed Critical Inael Electrical Systems, S.A.
Priority to PCT/ES2012/070069 priority Critical patent/WO2013113954A1/fr
Priority to ES201490083A priority patent/ES2505328B1/es
Publication of WO2013113954A1 publication Critical patent/WO2013113954A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K2217/00—Temperature measurement using electric or magnetic components already present in the system to be measured
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/142—Arrangements for simultaneous measurements of several parameters employing techniques covered by groups G01R15/14 - G01R15/26

Definitions

  • the present invention belongs to the field of devices for measurements of electrical variables in urges ⁇ lations.
  • This invention is a sensorised connector inte ⁇ degree comprising a conductor, voltage sensors, current and temperature, all of which are under a dielectric envelope itself, and the procedure of measurement and correction with the same so that they get a reduced weight , volume and price, as well as high precision, large amount of parameter measurement and high component integration.
  • Connectors are known in which the only integrated measuring element, that is, immersed in the same dielectric that constitutes the connector itself, is the voltage measurement, counting, in any case, with separate elements for current measurement.
  • measurement transformers Historically, the measurement of voltage and current in electrical circuits, especially high voltage, has been carried out by means of special dedicated transformers, known as measurement transformers. Such devices offered the possi bility to measure ⁇ a predetermined precision and ⁇ trolled, which is a prerequisite for the measures to feed protection devices as overcurrent relays, differentials, etc.
  • the intelligent network requires an exhaustive monitoring of the electrical parameters in a number of nodes of the network far superior to the current one, ideally in all the nodes of the network. This development is in practice impossible to carry out by using the above - mentioned transformers therefore their weight and volu ⁇ men, are very difficult to deploy massively throughout the network. And, in any case, because of its cost, the investment needed to do so would be very high.
  • Another known system is a resistive voltage sensor coupled to the rear of a connector and high voltage cables supplemented with toroidal transforms ⁇ dor providing current measurement.
  • This invention is far from attaining the level of inte gration ⁇ desirable to promote compactness and installs mass ⁇ tion of these devices in networks power distribution.
  • This concept is in the marketplace. Do very recently. In this case, ciertamen ⁇ you, both signals are available, Current & voltage ⁇ you, but the concept moves away from the ideal starting to walk towards integration and compactness.
  • the current measurement is carried out by a conventional and external toroidal transformer, which does not lighten the design or making it more compact, nor faci ⁇ lita or cheapens in any way. It offers no advantage over the technology available for years.
  • the problem is that the known systems have not been able to solve the problem of integrating under the same envelope, in the same dielectric medium, the measurement of voltage and current, a reduction in cost, weight, and space, is not achieved because at all a complete integration of the sensorization is achieved. In addition, none of these systems ⁇ cone acids have a correction of the measured signal.
  • the present invention is charac ⁇ terizada established and in the independent claims, mien ⁇ after the dependent claims describe other characteristics of the same.
  • the present invention relates to an integrated sensorized connector and the method of measurement and correction therewith.
  • Said connector comprises a conductor through which the electric current flows along which a voltage sensor is generated that generates a signal for the measurement of the voltage and a current sensor that generates a signal to measure the intensity of the current .
  • the connector comprises a sensor tem ⁇ perature, all sensors are under dielectric same enclosure with constant permittivity in the space, so that the material medium existing between said sensors is continuous and homogeneous, avoiding phenomena of reflection and / or refraction of electromagnetic waves incident on said senso ⁇ res, and preventing any measurement of distortions associated with these phenomena, and the temperature sensor generates a signal which measures the actual temperature of said dielectric medium.
  • Said continuity and homogeneity of the medium expressed that there are no surfaces or "interfaces" that create a discontinuity in the transmission of the electromagnetic waves that the sensors operate due to reflection and / or refraction phenomena.
  • the measurement and correction procedure by the integrated sensorized connector comprises the following steps:
  • the measured signals are a function of temperature having the dielectric properties of isolated ⁇ ment used, ie the envelope, and can not be performed without knowing the temperature of the igniter ⁇ DIELEC surrounding the sensor assembly.
  • the justification for temperature measurement is motivated because all dieléctri properties ⁇ cas essentially summarized in the complex permittivity of the material are a function of temperature, with various more or less abrupt ⁇ tions depending on the type of material.
  • An advantage of the invention is the integration of several elements in the same device which gives rise to the majority of the advantages mentioned below.
  • an advantage of the connector is its reduced weight because it uses smaller components and integrated into a single enclosure.
  • Another advantage of the connector derived from the ante ⁇ rior is its small volume, making it ideal for placement in all points that require an electrical distribution network.
  • Another advantage consequence of the few up ⁇ tes used is its low price, components that can be of commercial standard, which is facti ⁇ ble their placement massive power grids.
  • Another advantage is the precision of measurement because one of the parameters is the source of correction of the other two with which a precise measurement is achieved in all points of the electrical network where it is placed said connector.
  • Figure 1 represents a section of a profile view of an indoor connector.
  • Figure 2 represents a section of a profile view of an outdoor connector.
  • Figure 3 represents a section of a profile view of an underground connector.
  • Figure 4 represents a schematic of a connector in which the signals from the sensors reach a board, which are transmitted to an external digital analog converter to said board.
  • Figure 5 represents a diagram of a connector in which the signals from the sensors reach a board, which are transmitted to a digital analog converter that is on the same board.
  • Figure 6 represents a diagram of a connector in which the signals from the sensors arrive at a board, which are transmitted to an external digital analog converter to said board whose output signal is transmitted to an analog digital converter also outside to said board. license plate.
  • Figure 7 represents the same elements as Figure 6, in which the signals from the sensors reach a board, which are transmitted to a digital analog converter that is on the same board.
  • Figure 8 represents the same elements as Figures 6 and 7, in which the signals from the sensors arrive on a board, which are transmitted to a digital analog converter that is on the same board whose output signal is transmitted. to an analog digital converter also on the same board.
  • the present invention is an integrated sensorized connector.
  • the connector comprises a conductor (1) along which the electrical along which current a voltage sensor (2) which generates a signal for voltage measurement and ⁇ I (3) sensor CURRENT generated are arranged a signal to measure the intensity of the current. Further, the connector comprises a sensor tem perature ⁇ (4), all sensors (2,3,4) are under a same dielectric housing (5) with permittivity constant ty in space, so that the material medium existing between said sensors (2,3,4) is continuous and homogeneous, avoiding phenomena of reflection and / or refraction of electromagnetic waves inci ⁇ den on said sensors (2,3,4), and preventing the emergence of measurement distortions associated with these phenomena, and the temperature sensor (4) generates a signal that measures the actual temperature of said medium dielectric (5).
  • the dielectric envelope (5) is made of polymeric material of those normally used in these applications.
  • processing may be a slow casting resin followed by curing at greater than 160 ° C; It can also be exerted on a small pressurization polymer to remove bubbles or vacuoles and downlds ⁇ partial gas.
  • Figure 1 the connector is desired to dica indoor equipment, thus presents the elemen ⁇ cough heretofore mentioned.
  • the connector is engaged in outdoor equipment, which in addition to the above elements includes that about envolven ⁇ like, an insulator (7) as an outer shell for protection from external agents.
  • Figure 3 the connector is engaged with underground facilities which are dispo ⁇ ne within a cable (8) of current conduction.
  • a multi-pin connector (6) is provided.
  • Said connector could be 8 pins for four they would be dedicated to voltage signals and current, two each, and each signal tempe rature ⁇ since components ANSI and IEC standards are used. That is, the connector generates at least five analog outputs which are collected in a multi-pin connector (6), and can be a standard one with 8 pins.
  • thermosensor (4) there is an integrated circuit board (9), known as PCB type, so that the signals of the voltage (2), current (3) and temperature (4) sensors reach said plate (9) located in the vicinity of the temperature sensor (4) for transfer to the multi-pin connector (6).
  • PCB type integrated circuit board
  • the temperature sensor (4) can be dis ⁇ placed on the plate (9) for greater compactness or its vicinity preferably, as discussed, although externally to it.
  • an analogue digital signal converter (10) and a software measurement correction unit (11) can be added, figure 4. Also, on the same plate (9) said converter (10) and correction unit (11) can be included, figure 5.
  • the primary analog signals are trans ⁇ form into digital signals that are treated by specific software to make corrections and compen ⁇ tions, including temperature, to ensure the accuracy of the measurements of voltage and current.
  • Digital signals may or may not suffer further. Further transformations, for example again in analog signals by means of a digital to analog signal converter (12) arranged next to said correction unit (11).
  • Said converter (12) may be outside the board (9) as well as the other converter (11), figure 6; can be joined when the other converter (11) is included on the board (9), figure 7; or it may also be included in the plate (9), figure 8.
  • the connector implements a co ⁇ rection in the complex plane, ie phasor of the real and imaginary or, in other words, signal components in phase and module.
  • the correction of the measurements results in an accuracy in them of ⁇ 2%.
  • the voltage measurement accuracy corresponds to Class 1 according to IEC 60044-7, which is derived from IEC 60044-2.
  • the corrected output signal of the software measurement correction unit (11) can be transmitted to an analog digital converter (12) to obtain corrected analog signals and thus supply protection systems that do not support digital inputs as
  • the level of precision is of type 3P with a voltage factor of 1.9 according to IEC standards.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

La présente invention concerne un connecteur à capteurs monobloc qui comprend un conducteur, des capteurs de tension, de courant et de température qui sont tous recouverts par une même enveloppe diélectrique à permittivité constante dans l'espace, de sorte que le milieu matériel existant entre lesdits capteurs se trouve continu et homogène, évitant ainsi les phénomènes de réflexion et/ou de réfraction des ondes électromagnétiques qui viennent heurter lesdits capteurs et empêchant l'apparition des distorsions de mesure associées à ces phénomènes, et le capteur de température génère un signal qui mesure la température réelle dudit milieu diélectrique.
PCT/ES2012/070069 2012-02-03 2012-02-03 Connecteur à capteurs monobloc et procédé de mesure et de correction faisant appel à ce dernier WO2013113954A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/ES2012/070069 WO2013113954A1 (fr) 2012-02-03 2012-02-03 Connecteur à capteurs monobloc et procédé de mesure et de correction faisant appel à ce dernier
ES201490083A ES2505328B1 (es) 2012-02-03 2012-02-03 Conector sensorizado integrado y procedimiento de medida y corrección con el mismo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2012/070069 WO2013113954A1 (fr) 2012-02-03 2012-02-03 Connecteur à capteurs monobloc et procédé de mesure et de correction faisant appel à ce dernier

Publications (1)

Publication Number Publication Date
WO2013113954A1 true WO2013113954A1 (fr) 2013-08-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2012/070069 WO2013113954A1 (fr) 2012-02-03 2012-02-03 Connecteur à capteurs monobloc et procédé de mesure et de correction faisant appel à ce dernier

Country Status (2)

Country Link
ES (1) ES2505328B1 (fr)
WO (1) WO2013113954A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3146598A4 (fr) * 2014-05-19 2018-01-10 3M Innovative Properties Company Cavalier électrique détecté
WO2018115027A1 (fr) 2016-12-20 2018-06-28 Eaton Industries (Netherlands) B.V. Douille à électronique intégrée

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020212375A1 (de) * 2020-09-30 2022-03-31 Siemens Aktiengesellschaft Anschluss für eine Feldsondenkombination

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020097546A1 (en) * 2001-01-22 2002-07-25 Weinberger Pedro J. Safety electrical outlet with logic control circuit
WO2006109330A1 (fr) * 2005-04-13 2006-10-19 Kem-O-Tek Italia Srl Procede de protection de connecteur electronique
EP2159879A1 (fr) * 2008-08-26 2010-03-03 Omega Engineering, Inc. Connecteur pour mesures
US20100295691A1 (en) * 2009-05-22 2010-11-25 King Jr Lloyd Herbert Intelligent wire connectors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020097546A1 (en) * 2001-01-22 2002-07-25 Weinberger Pedro J. Safety electrical outlet with logic control circuit
WO2006109330A1 (fr) * 2005-04-13 2006-10-19 Kem-O-Tek Italia Srl Procede de protection de connecteur electronique
EP2159879A1 (fr) * 2008-08-26 2010-03-03 Omega Engineering, Inc. Connecteur pour mesures
US20100295691A1 (en) * 2009-05-22 2010-11-25 King Jr Lloyd Herbert Intelligent wire connectors

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3146598A4 (fr) * 2014-05-19 2018-01-10 3M Innovative Properties Company Cavalier électrique détecté
US10145864B2 (en) 2014-05-19 2018-12-04 3M Innovative Properties Company Sensored electrical jumper
WO2018115027A1 (fr) 2016-12-20 2018-06-28 Eaton Industries (Netherlands) B.V. Douille à électronique intégrée
US10937571B2 (en) 2016-12-20 2021-03-02 Eaton Intelligent Power Limited Bushing with integrated electronics

Also Published As

Publication number Publication date
ES2505328B1 (es) 2015-07-14
ES2505328A1 (es) 2014-10-09

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