WO2010077078A2 - Transformateur de distribution à fonction d'affichage et dispositif d'affichage associé - Google Patents

Transformateur de distribution à fonction d'affichage et dispositif d'affichage associé Download PDF

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Publication number
WO2010077078A2
WO2010077078A2 PCT/KR2009/007929 KR2009007929W WO2010077078A2 WO 2010077078 A2 WO2010077078 A2 WO 2010077078A2 KR 2009007929 W KR2009007929 W KR 2009007929W WO 2010077078 A2 WO2010077078 A2 WO 2010077078A2
Authority
WO
WIPO (PCT)
Prior art keywords
transformer
current
voltage
display
temperature
Prior art date
Application number
PCT/KR2009/007929
Other languages
English (en)
Korean (ko)
Other versions
WO2010077078A3 (fr
Inventor
오태헌
Original Assignee
Oh Tae-Hon
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 Oh Tae-Hon filed Critical Oh Tae-Hon
Publication of WO2010077078A2 publication Critical patent/WO2010077078A2/fr
Publication of WO2010077078A3 publication Critical patent/WO2010077078A3/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • 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
    • G08B21/185—Electrical failure alarms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H01F2027/406—Temperature sensor or protection

Definitions

  • the present invention relates to a transformer, and in particular, a load indication boat which enables the naked eye to check the safety and convenience of the transformer by displaying the overall state of the transformer such as a transformer operation state, load, temperature, oil level, data transmission, and insulation oil state.
  • the transformer In general, with the increase of the power demand, the transformer has become larger and ultra high pressure. When an accident occurs in such a large-capacity transformer, its ripple effect is widespread, economic losses and psychological anxiety are enormous, and the necessity for preventing the accident of the transformer is increasing.
  • the technical problem to be solved by the present invention is derived to solve the above problems, can be implemented at a low cost, and can quickly and easily check the transformer state such as load, temperature, current, voltage of the transformer with the naked eye
  • the present invention provides a transformer for load indication and a display device thereof.
  • the transformer for load display according to the characteristics of the present invention for solving the technical problem
  • a transformer for distribution having a primary winding and a secondary winding
  • a temperature sensor unit for outputting an electrical signal using a thermocouple element so as to display a temperature inside the transformer as a digital value
  • a current sensor unit sensing a current of the transformer
  • a voltage sensor unit sensing the transformer
  • a control module that displays the temperature, current, and voltage of the transformer on the display unit by using electrical signals received from the temperature sensor unit, the current sensor unit, and the voltage sensor unit.
  • the transformer for load display according to the characteristics of the present invention for solving the technical problem
  • a transformer for distribution having a primary winding and a secondary winding
  • a temperature sensor unit for outputting an electrical signal using a thermocouple element so as to display a temperature inside the transformer as a digital value
  • a current sensor unit sensing a current of the transformer
  • a voltage sensor unit sensing the transformer
  • It includes a control module for displaying the temperature, current, voltage and power of the transformer on the display using the electrical signal received from the temperature sensor, the current sensor, the voltage sensor,
  • the power of the transformer is characterized in that it is calculated from the voltage and current of the transformer.
  • the transformer for load display according to the characteristics of the present invention for solving the technical problem
  • a transformer for distribution having a primary winding and a secondary winding
  • a temperature sensor unit for outputting an electrical signal using a thermocouple element so as to display a temperature inside the transformer as a digital value
  • a current sensor unit sensing a current of the transformer
  • a voltage sensor unit sensing the transformer
  • It includes a control module for displaying the state of the transformer including the temperature, current, voltage and power of the transformer on the display unit by using the electrical signal received from the temperature sensor unit, current sensor unit, voltage sensor unit,
  • the power of the transformer is calculated from the voltage and current of the transformer,
  • the control module may display a warning on the display device when at least one of the voltage, current, and power is equal to or greater than a reference value.
  • the control module stores information on the state of the transformer in an internal memory, and provides it according to an external request.
  • the control module includes
  • An energy calculation unit calculating power from the current and the voltage
  • a memory for storing information about the state of the transformer
  • the control unit is configured to display the state of the transformer including the temperature, current, voltage, and power of the transformer on the display unit by using the electrical signal received from the energy calculator, wherein at least one of the voltage, current, and power is equal to or greater than a reference value.
  • a display driver configured to display information on the display device under the control of the central controller.
  • the display device of the transformer according to the characteristics of the present invention for solving the technical problem
  • a display device of a distribution transformer that receives the temperature, current, and voltage inside a transformer from a temperature sensor unit, a voltage sensor unit, and a current sensor unit inside the transformer.
  • It includes a control module for displaying the state of the transformer including the temperature, current, voltage and power of the transformer on the display unit using the signal received from the temperature sensor unit, current sensor unit, voltage sensor unit,
  • the power of the transformer is calculated from the voltage and current of the transformer,
  • the control module may display a warning on the display device when at least one of the voltage, current, and power is equal to or greater than a reference value.
  • the control module includes
  • An energy calculation unit calculating power from the current and the voltage
  • a memory for storing information about the state of the transformer
  • the control unit is configured to display the state of the transformer including the temperature, current, voltage, and power of the transformer on the display unit by using the electrical signal received from the energy calculator, wherein at least one of the voltage, current, and power is equal to or greater than a reference value.
  • a display driver configured to display information on the display device under the control of the central controller.
  • FIG. 1 is a diagram illustrating an internal configuration of a transformer for load display according to an embodiment of the present invention.
  • FIG 2 is an external view of a display device according to an exemplary embodiment of the present invention.
  • FIG. 3 is a diagram illustrating a display example of a display device according to an exemplary embodiment of the present invention.
  • FIG. 4 is an external view of a general transformer for power distribution with a display device according to an embodiment of the present invention.
  • FIG 5 is an external view of a pad transformer for power distribution with a display device according to an exemplary embodiment of the present invention.
  • FIG. 6 is an external view of a columnar transformer with a display device according to an exemplary embodiment of the present invention.
  • FIG. 7 is an external view of a dry type power distribution transformer with a display device according to an exemplary embodiment of the present invention.
  • a transformer for distribution having a primary winding and a secondary winding
  • a temperature sensor unit 7 for outputting an electrical signal using a thermocouple element so as to display the temperature inside the transformer as a digital value
  • It includes a control module (4) for displaying the state of the transformer including the temperature, current, voltage and power of the transformer on the display unit by using the electrical signal received from the temperature sensor unit, current sensor unit, voltage sensor unit ,
  • the power of the transformer is calculated from the voltage and current of the transformer,
  • the control module 4 displays a warning on the display device 1 when at least one of the voltage, current, and power is equal to or greater than a reference value, and stores information on the state of the transformer in the internal memory 44. Provide on request.
  • the control module 4 The control module 4,
  • An energy measuring unit 43 calculating power from the current and the voltage
  • the control unit is configured to display the state of the transformer including the temperature, current, voltage, and power of the transformer on the display unit by using the electrical signal received from the energy calculator, wherein at least one of the voltage, current, and power is equal to or greater than a reference value.
  • a display driver 42 for displaying information on the display device under the control of the central controller.
  • the display device and the sensor unit may be separately configured, and may be applied to an existing transformer.
  • Such a display device is illustrated in FIG. 2.
  • FIG. 2 is a perspective view of a display device according to an exemplary embodiment of the present invention.
  • a display device includes a display unit 1, a cable 2, a sealing member 3, and a control module 4 for displaying a load state and a transformer state.
  • the display unit 1 may include an LCD, an LED, a segment, and the like.
  • the cable 2 enables signal transmission and reception between the display unit 1 and the control module 4 and allows the display unit 1 to move freely.
  • the sealing member 3 serves to seal the oil inside the transformer so that it does not leak out when the display device is installed.
  • the control module 4 is connected to the temperature sensor unit 7, the voltage sensor unit 9, and the current sensor unit 8 in the transformer.
  • the temperature sensor unit 7 transmits an electrical signal to the display unit 1 through the control module 4 using a thermocouple element so as to display the temperature inside the transformer as a digital value.
  • a plurality of temperature sensors may be installed to measure the temperature of the insulating oil and the temperature of the winding.
  • the current sensor unit 8 passes the transformer secondary winding through a current transformer (C.T) to convert a large current value into a small current value and transmits the signal to the display unit 1 through the control module 4.
  • C.T current transformer
  • the voltage sensor unit 9 connects the transformer secondary voltage to a Potential Transformer (P.T), converts the large voltage into a small voltage, and transmits the signal to the display unit 1 through the control module 4.
  • P.T Potential Transformer
  • the voltage sensor unit 9 connects the transformer secondary voltage to a Potential Transformer (P.T), converts the large voltage into a small voltage, and transmits the signal to the display unit 1 through the control module 4.
  • P.T Potential Transformer
  • the voltage sensor unit 9 connects the transformer secondary voltage to a Potential Transformer (P.T), converts the large voltage into a small voltage, and transmits the signal to the display unit 1 through the control module 4.
  • P.T Potential Transformer
  • the energy measuring unit 43 calculates the power by multiplying the current and the voltage.
  • the energy measuring unit 43 outputs the voltage, current, and power of the transformer to the central control unit 41.
  • the central controller 41 displays the temperature (oil temperature, winding temperature), current, voltage, and power of the received transformer on the display unit 1 through the display driver 42, and if necessary, the memory 44. ).
  • the central control unit 41 stores the state of the transformer such as voltage, current, and power of the transformer in the memory 44 in real time or periodically, as necessary.
  • the central controller 41 sets a current, voltage, or power value that is a reference value according to the type, type, or capacity of the transformer in advance, and compares the measured value with the reference value to any one of the current, voltage, or power. If the value is equal to or more than the reference value, the warning light turns on in the display unit 1 in red. In addition, by comparing the measured value with the reference value, if the current, voltage, or power is less than the reference value, the safety light turns on the display unit 1 in blue. Such colors may be variously modified and displayed as necessary.
  • the safety light and the warning light of the display unit may be implemented by light emitting diodes to facilitate identification from a distance.
  • the oil temperature, current, voltage, and power values are implemented in segments.
  • the memory 44 may be implemented as an SD card so that historical data on temperature, voltage, current, and power may be periodically stored, and may be separated and used as transformer analysis data as necessary. That is, the operation history of the transformer can be checked.
  • This embodiment of the present invention easily displays the transformer overall state, such as the transformer operation state, load, temperature, oil level, data transmission, insulation oil value state, and can be confirmed with the naked eye.
  • the transformer can be easily diagnosed during the day and night.
  • the load status can be easily checked with the naked eye, so that the electrical equipment can be safely and usefully managed at low cost.
  • the present invention can be used in a variety of transformers, such as load, distribution transformer, power transformer, functional transformer, display transformer, load display transformer, LED display transformer, LCD display transformer, operation status display transformer, power display transformer 4 to 6 illustrate this application.
  • FIG. 4 is a view showing the appearance of a general transformer for power distribution with a display device according to an embodiment of the present invention.
  • FIG. 5 is a view showing a pad transformer in which a display device is coupled according to an embodiment of the present invention.
  • FIG. 6 is a view illustrating a pole transformer of a power distribution unit in which a display device according to an exemplary embodiment of the present invention is coupled.
  • FIG. 7 is a view illustrating a dry type transformer for power distribution with a display device according to an exemplary embodiment of the present invention.
  • the display device is external, so that the state of the transformer can be easily checked with the naked eye. In other cases, the non-expert can also recognize and report the abnormality of the transformer.

Abstract

L'invention concerne un transformateur de distribution à fonction d'affichage et un dispositif d'affichage associé, le transformateur de distribution comprenant : un capteur de température conçue pour capter une température au sein du transformateur et la fournir en sortie; un détecteur de courant conçu pour détecter un courant du transformateur; un détecteur de tension conçu pour détecter une tension du transformateur; un affichage conçu pour afficher des informations; et un module de commande conçu pour réaliser l'affichage de la température, du courant et de la tension du transformateur sur l'affichage à partir de signaux électriques reçus du capteur de température, du détecteur de courant et du détecteur de tension, de manière à permettre un affichage simple de l'état général du transformateur, notamment son état de marche, sa charge, sa température, son niveau d'huile, la transmission/réception de données, l'indice d'acidité de l'huile isolante, ou à permettre à un utilisateur d'effectuer un contrôle visuel. Le transformateur selon l'invention bénéficie ainsi d'une mise en œuvre bon marché et son diagnostic peut être effectué sans inconvénient à toute heure du jour ou de la nuit.
PCT/KR2009/007929 2008-12-31 2009-12-30 Transformateur de distribution à fonction d'affichage et dispositif d'affichage associé WO2010077078A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0137801 2008-12-31
KR1020080137801A KR101076316B1 (ko) 2008-12-31 2008-12-31 부하표시 배전용 변압기 및 그의 표시 장치

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WO2010077078A2 true WO2010077078A2 (fr) 2010-07-08
WO2010077078A3 WO2010077078A3 (fr) 2010-10-28

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2453859C2 (ru) * 2010-08-18 2012-06-20 Виктор Анатольевич Туркот Устройство для определения допустимых величины и длительности перегрузки силового маслонаполненного трансформаторного оборудования
WO2014031345A1 (fr) * 2012-08-21 2014-02-27 Cooper Technologies Company Gestion autonome de charge d'énergie pour transformateur de distribution
RU2647359C1 (ru) * 2016-12-09 2018-03-15 Публичное акционерное общество "Федеральная сетевая компания Единой энергетической системы" Способ управления системой охлаждения маслонаполненного силового трансформатора
CN110808155A (zh) * 2019-11-22 2020-02-18 江苏恒屹变压器有限公司 一种适用于油浸式配电变压器的安全感知系统
EP3593366A4 (fr) * 2017-03-10 2021-05-05 ABB Power Grids Switzerland AG Transformateur de distribution de réseau intelligent

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101713960B1 (ko) * 2015-04-08 2017-03-09 주식회사 이엠아이 장비의 위험 보호 장치 및 그에 의한 위험 보호 방법

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KR19980039685A (ko) * 1996-11-28 1998-08-17 이종훈 주상변압기 부하관리용 측정장치 및 방법
KR100194556B1 (ko) * 1997-01-18 1999-06-15 오정교 배전용 변압기의 최대 부하전류 기록 및 표시장치와 과부하 검출 경보장치
KR200301625Y1 (ko) * 2002-10-31 2003-01-24 한국전력공사 변압기의 과열경보 및 온도 표시장치
KR20030013894A (ko) * 2001-08-10 2003-02-15 주식회사 젤파워 변압기 모니터링 시스템 및 방법
KR20040012437A (ko) * 2003-02-28 2004-02-11 서창전기통신 주식회사 다중 부하용 전자식 전력량계의 부하 제어장치
KR20050104071A (ko) * 2004-04-28 2005-11-02 이충석 변압기의 가동 상태표시 및 안전장치

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980039685A (ko) * 1996-11-28 1998-08-17 이종훈 주상변압기 부하관리용 측정장치 및 방법
KR100194556B1 (ko) * 1997-01-18 1999-06-15 오정교 배전용 변압기의 최대 부하전류 기록 및 표시장치와 과부하 검출 경보장치
KR20030013894A (ko) * 2001-08-10 2003-02-15 주식회사 젤파워 변압기 모니터링 시스템 및 방법
KR200301625Y1 (ko) * 2002-10-31 2003-01-24 한국전력공사 변압기의 과열경보 및 온도 표시장치
KR20040012437A (ko) * 2003-02-28 2004-02-11 서창전기통신 주식회사 다중 부하용 전자식 전력량계의 부하 제어장치
KR20050104071A (ko) * 2004-04-28 2005-11-02 이충석 변압기의 가동 상태표시 및 안전장치

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2453859C2 (ru) * 2010-08-18 2012-06-20 Виктор Анатольевич Туркот Устройство для определения допустимых величины и длительности перегрузки силового маслонаполненного трансформаторного оборудования
WO2014031345A1 (fr) * 2012-08-21 2014-02-27 Cooper Technologies Company Gestion autonome de charge d'énergie pour transformateur de distribution
US9403441B2 (en) 2012-08-21 2016-08-02 Cooper Technologies Company Autonomous management of distribution transformer power load
RU2647359C1 (ru) * 2016-12-09 2018-03-15 Публичное акционерное общество "Федеральная сетевая компания Единой энергетической системы" Способ управления системой охлаждения маслонаполненного силового трансформатора
EP3593366A4 (fr) * 2017-03-10 2021-05-05 ABB Power Grids Switzerland AG Transformateur de distribution de réseau intelligent
US11550000B2 (en) 2017-03-10 2023-01-10 Hitachi Energy Switzerland Ag Smart grid distribution transformer
CN110808155A (zh) * 2019-11-22 2020-02-18 江苏恒屹变压器有限公司 一种适用于油浸式配电变压器的安全感知系统

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Publication number Publication date
KR101076316B1 (ko) 2011-10-26
KR20100079352A (ko) 2010-07-08
WO2010077078A3 (fr) 2010-10-28

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