BRPI0502206A - electronic gas relay - Google Patents

electronic gas relay

Info

Publication number
BRPI0502206A
BRPI0502206A BRPI0502206A BRPI0502206A BR PI0502206 A BRPI0502206 A BR PI0502206A BR PI0502206 A BRPI0502206 A BR PI0502206A BR PI0502206 A BRPI0502206 A BR PI0502206A
Authority
BR
Brazil
Prior art keywords
gas relay
electronic gas
electronic
insulating oil
present
Prior art date
Application number
Other languages
Portuguese (pt)
Inventor
Alberto Moriyama
Original Assignee
Junko Hiraoka
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 Junko Hiraoka filed Critical Junko Hiraoka
Priority to BRPI0502206 priority Critical patent/BRPI0502206A/en
Priority to PCT/BR2006/000104 priority patent/WO2006128265A1/en
Publication of BRPI0502206A publication Critical patent/BRPI0502206A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2962—Measuring transit time of reflected waves
    • G01F23/2963—Measuring transit time of reflected waves magnetostrictive
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2962—Measuring transit time of reflected waves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/55—Oil reservoirs or tanks; Lowering means therefor
    • H01H33/555—Protective arrangements responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Testing Relating To Insulation (AREA)

Abstract

"RELé DE GáS ELETRÈNICO". O Relé de Gás Eletrónico para proteção e comando de transformador elétrico de potência imerso em óleo isolante, objeto da presente invenção, trata-se de um dispositivo de captura e retenção de gases (10) desprendidos do meio líquido (2) do óleo isolante para acionar um módulo eletrónico transmissor de dados por meio de um sensor eletrónico, para enviar sinais elétricos proporcionais à variação volumétrica da camada dos tais gases (10) desprendidos do meio líquido (2) do óleo isolante que são capturados e retidos no seu corpo fabricado de material metálico. O relé de gás eletrónico (6), objeto da presente invenção, cujo modelo construtivo é conforme a Figura 2, se destina à instalação conforme Figura 1A em linha no tubo de interligação (5) do tanque principal (3) com o tanque conservador (4). O relé de gás eletrónico (7), objeto da presente invenção, cujo modelo construtivo é conforme a Figura 3, se destina à instalação conforme Figura 1B em ponto alto no tubo de interligação (5) do tanque principal (3) com o tanque conservador (4), sendo munido com uma válvula de bloqueio (8) que permite o acesso ao relé de gás eletrónico (7) sem necessidade de desligamento do transformador. O relé de gás eletrónico, tanto no modelo construtivo conforme a Figura 2 ou como no modelo construtivo conforme a Figura 3, objeto da presente invenção, tem o princípio de funcionamento baseado em sensores eletrónicos para identificação da variação volumétrica da camada de gases (10) desprendidos do óleo isolante com o modal capacitivo, magneto-restritivo, ultra-som, refração ótica da radiação infravermelho ou reflexão ótica do raio laser, conforme as Figuras 4A, 4B, 4C, 5A, 5B, 5C, 6A, 6B, 6C, 7A, 7B, 7C, 8A, 8B e 8C."ELECTRONIC GAS RELAY". The Electronic Gas Relay for protection and control of insulating oil immersed power transformer, object of the present invention, is a device for capturing and retaining gases (10) released from the liquid medium (2) of the insulating oil to driving a data transmitter electronics module by means of an electronic sensor to send electrical signals proportional to the volumetric variation of the layer of such gases (10) released from the liquid medium (2) of the insulating oil which are captured and retained in its fabricated body. metallic material. The electronic gas relay (6), object of the present invention, the construction of which is in accordance with Figure 2, is intended for installation in accordance with Figure 1A in line in the interconnecting pipe (5) of the main tank (3) with the conservative tank ( 4). The electronic gas relay (7), object of the present invention, the construction of which is in accordance with Figure 3, is intended for installation as shown in Figure 1B in the interconnection tube (5) of the main tank (3) with the conservative tank. (4), being provided with a shut-off valve (8) that allows access to the electronic gas relay (7) without the need for transformer shutdown. The electronic gas relay, either in the construction model according to Figure 2 or in the construction model according to Figure 3, object of the present invention, has the operating principle based on electronic sensors to identify the gas layer volumetric variation (10). detached from the insulating oil with capacitive modal, magneto-restrictive, ultrasound, infrared optical refraction or laser optical reflection, as shown in Figures 4A, 4B, 4C, 5A, 5B, 5C, 6A, 6B, 6C, 7A, 7B, 7C, 8A, 8B and 8C.

BRPI0502206 2005-06-01 2005-06-01 electronic gas relay BRPI0502206A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BRPI0502206 BRPI0502206A (en) 2005-06-01 2005-06-01 electronic gas relay
PCT/BR2006/000104 WO2006128265A1 (en) 2005-06-01 2006-05-29 Electronic gas relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0502206 BRPI0502206A (en) 2005-06-01 2005-06-01 electronic gas relay

Publications (1)

Publication Number Publication Date
BRPI0502206A true BRPI0502206A (en) 2007-01-23

Family

ID=36685845

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0502206 BRPI0502206A (en) 2005-06-01 2005-06-01 electronic gas relay

Country Status (2)

Country Link
BR (1) BRPI0502206A (en)
WO (1) WO2006128265A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ303782B6 (en) * 2008-11-18 2013-05-02 Univerzita Palackého Device for ultrasonic irradiation of samples
US8400320B2 (en) * 2009-12-30 2013-03-19 Eduardo Pedrosa Santos System for monitoring oil level and detecting leaks in power transformers, reactors, current and potential transformers, high voltage bushings and the like
EP2737499A1 (en) * 2011-07-25 2014-06-04 ABB Technology AG Safety apparatus and monitoring method for a power transformer, and related power transformer
CN103500682B (en) * 2013-09-28 2016-03-16 国家电网公司 A kind of have the transformer body Buchholz relay depositing gas measuring ability
CN103489706A (en) * 2013-10-12 2014-01-01 国家电网公司 Intelligent gas relay
JP6440501B2 (en) * 2014-02-06 2018-12-19 三菱電機株式会社 Oil-filled electrical device diagnostic method, oil-filled electrical device diagnostic device, and oil-filled electrical device including the same
CN106840314B (en) * 2017-02-09 2019-04-19 广东电网有限责任公司东莞供电局 Oil level indication method and device for gas relay of power system
CN107621295A (en) * 2017-10-25 2018-01-23 云南电网有限责任公司电力科学研究院 A kind of three pipeline gas relay test tables
CN108390356B (en) * 2018-03-21 2019-08-30 广东电网有限责任公司电力科学研究院 A kind of grave gas guard method based on fault time feature
CN111664919A (en) * 2020-07-03 2020-09-15 国网四川省电力公司绵阳供电公司 Light-sensitive light gas relay
CN113257612A (en) * 2021-05-25 2021-08-13 国网河北省电力有限公司检修分公司 Gas relay

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB844878A (en) * 1957-08-09 1960-08-17 Bailey Meters Controls Ltd Improvements in apparatus for ascertaining the level of a surface of a body of liquid
JPS58179319A (en) * 1982-04-15 1983-10-20 Matsushita Electric Ind Co Ltd Liquid level detecting device
JPS59135322A (en) * 1983-01-21 1984-08-03 Niles Parts Co Ltd Liquid level meter
DE4136639C2 (en) * 1991-11-07 1995-12-14 Borsi Hossein Priv Doz Dr Ing Device for the electrical determination of undissolved gases in liquid-filled high-voltage systems and devices as the basis for error detection and monitoring of these systems and devices
DE19707139A1 (en) * 1997-02-22 1998-08-27 Hossein Prof Dr Ing Borsi Opto-electronic gas production detection and measurement arrangement
DE19822868C1 (en) * 1998-05-22 1999-09-16 Alstom Schorch Transformatoren Gas volume detection device for liquid-filled HV apparatus e.g. HV transformer

Also Published As

Publication number Publication date
WO2006128265A1 (en) 2006-12-07

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H01H 83/00

Ipc: H02H 5/08 (2006.01), G01F 23/22 (2006.01)

B07A Technical examination (opinion): publication of technical examination (opinion)
B09B Decision: refusal
B09B Decision: refusal

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL.