BR7400073D0 - Transformador eletrico - Google Patents

Transformador eletrico

Info

Publication number
BR7400073D0
BR7400073D0 BR7473A BR7374A BR7400073D0 BR 7400073 D0 BR7400073 D0 BR 7400073D0 BR 7473 A BR7473 A BR 7473A BR 7374 A BR7374 A BR 7374A BR 7400073 D0 BR7400073 D0 BR 7400073D0
Authority
BR
Brazil
Prior art keywords
electrical transformer
transformer
electrical
Prior art date
Application number
BR7473A
Other languages
English (en)
Inventor
Iii J Almand
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of BR7400073D0 publication Critical patent/BR7400073D0/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/08—Means for indicating or recording, e.g. for remote indication
    • G01L19/12—Alarms or signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16504—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
    • G01R19/16509—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed using electromagnetic relays, e.g. reed relay
    • 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
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H01F2027/404—Protective devices specially adapted for fluid filled transformers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7922—Spring biased
    • Y10T137/7925—Piston-type valves

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Measuring Fluid Pressure (AREA)
BR7473A 1973-01-11 1974-01-08 Transformador eletrico BR7400073D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00322829A US3816801A (en) 1973-01-11 1973-01-11 Electrical transformer

Publications (1)

Publication Number Publication Date
BR7400073D0 true BR7400073D0 (pt) 1974-11-05

Family

ID=23256616

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7473A BR7400073D0 (pt) 1973-01-11 1974-01-08 Transformador eletrico

Country Status (10)

Country Link
US (1) US3816801A (pt)
JP (1) JPS49103126A (pt)
AR (1) AR203096A1 (pt)
AU (1) AU6390473A (pt)
BE (1) BE809629A (pt)
BR (1) BR7400073D0 (pt)
CA (1) CA983145A (pt)
ES (1) ES422011A1 (pt)
FR (1) FR2323214A1 (pt)
IT (1) IT1006840B (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5749371Y2 (pt) * 1977-05-16 1982-10-29
US4654806A (en) * 1984-03-30 1987-03-31 Westinghouse Electric Corp. Method and apparatus for monitoring transformers
JPS61142428U (pt) * 1985-02-26 1986-09-03
JPS61199029U (pt) * 1985-05-30 1986-12-12
FR2684248B1 (fr) * 1991-11-22 1997-04-30 Pioch Sa Appareil electronique de mesure et de protection du fonctionnement du transformateur a huile.
FR2773004B1 (fr) * 1997-12-18 2000-01-21 Gec Alsthom T & D Composants S Poste de transformation d'exterieur avec temoin lumineux encastre
US6429662B1 (en) * 2000-06-14 2002-08-06 Ifd Corporation Internal fault indicator for power electrical devices
JP5450894B2 (ja) * 2010-06-07 2014-03-26 アイエフディ インターナル フォウルト ディテクター コーポレイション 電気機器の障害表示器および電気機器
KR101908548B1 (ko) 2015-02-23 2018-10-17 아이에프디 인터널 폴트 디텍터 코포레이션 전기장비용 통합된 결함 모니터링 장치
CN104833453A (zh) * 2015-03-11 2015-08-12 国网浙江海盐县供电公司 一种用于变压器在线压力监测装置
CN107289187B (zh) * 2017-05-11 2019-06-11 郑州赛奥电子股份有限公司 带远程控制的压力释放阀动作指示标志复位装置
CN109270447A (zh) * 2018-09-13 2019-01-25 广州供电局有限公司 变压器模拟系统及整定值模拟测量方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1670697A (en) * 1926-04-06 1928-05-22 Gen Electric Electrical apparatus
US1775028A (en) * 1929-06-10 1930-09-02 Gen Electric Safety pressure relief and indicating apparatus
US1705715A (en) * 1928-05-29 1929-03-19 Westinghouse Electric & Mfg Co Alarm device
US1751222A (en) * 1928-08-30 1930-03-18 Westinghouse Electric & Mfg Co Compensated gas detector
US1899746A (en) * 1929-04-03 1933-02-28 Westinghouse Electric & Mfg Co Protective system for transformers
US2369363A (en) * 1941-05-05 1945-02-13 Allen Bradley Co Control device for electrical equipment
US2730706A (en) * 1954-10-05 1956-01-10 Mcgraw Electric Co Apparatus for indicating age of insulation
CA550139A (en) * 1954-11-23 1957-12-10 E. Sauer Louis Pressure responsive relays
US2896662A (en) * 1956-09-07 1959-07-28 John V Thomas Multiple distribution valve

Also Published As

Publication number Publication date
FR2323214A1 (fr) 1977-04-01
AU6390473A (en) 1975-06-26
CA983145A (en) 1976-02-03
AR203096A1 (es) 1975-08-14
JPS49103126A (pt) 1974-09-30
US3816801A (en) 1974-06-11
ES422011A1 (es) 1976-04-01
BE809629A (fr) 1974-07-11
IT1006840B (it) 1976-10-20

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