FR2278138B3 - - Google Patents

Info

Publication number
FR2278138B3
FR2278138B3 FR7518852A FR7518852A FR2278138B3 FR 2278138 B3 FR2278138 B3 FR 2278138B3 FR 7518852 A FR7518852 A FR 7518852A FR 7518852 A FR7518852 A FR 7518852A FR 2278138 B3 FR2278138 B3 FR 2278138B3
Authority
FR
France
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.)
Expired
Application number
FR7518852A
Other languages
French (fr)
Other versions
FR2278138A1 (fr
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.)
TRAFOFIT GmbH
Original Assignee
TRAFOFIT GmbH
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 TRAFOFIT GmbH filed Critical TRAFOFIT GmbH
Publication of FR2278138A1 publication Critical patent/FR2278138A1/fr
Application granted granted Critical
Publication of FR2278138B3 publication Critical patent/FR2278138B3/fr
Granted legal-status Critical Current

Links

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
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0202—Separation of non-miscible liquids by ab- or adsorption
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/20—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances liquids, e.g. oils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H2009/0055—Oil filters for tap change devices

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Analytical Chemistry (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Organic Insulating Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
FR7518852A 1974-07-09 1975-06-17 Procede et dispositif pour l'evacuation de l'eau hors de liquides dielectriques Granted FR2278138A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742432911 DE2432911A1 (de) 1974-07-09 1974-07-09 Verfahren und vorrichtung zum entziehen von wasser aus dielektrischen fluessigkeiten

Publications (2)

Publication Number Publication Date
FR2278138A1 FR2278138A1 (fr) 1976-02-06
FR2278138B3 true FR2278138B3 (enrdf_load_stackoverflow) 1977-07-01

Family

ID=5920074

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7518852A Granted FR2278138A1 (fr) 1974-07-09 1975-06-17 Procede et dispositif pour l'evacuation de l'eau hors de liquides dielectriques

Country Status (6)

Country Link
BE (1) BE830159A (enrdf_load_stackoverflow)
DD (1) DD118193A5 (enrdf_load_stackoverflow)
DE (1) DE2432911A1 (enrdf_load_stackoverflow)
FR (1) FR2278138A1 (enrdf_load_stackoverflow)
LU (1) LU72690A1 (enrdf_load_stackoverflow)
NL (1) NL7507169A (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1595094A (en) * 1977-10-19 1981-08-05 Gen Electric Method and system for cooling electrical apparatus
DE3146553A1 (de) * 1980-11-28 1982-09-09 Coal Industry (Patents) Ltd., London "verfahren zur behandlung wasserhaltiger organischer loesungsmittel"
DE3230048A1 (de) * 1982-08-12 1984-02-16 Wacker-Chemie GmbH, 8000 München Verfahren zur stabilisierung von chlorkohlenwasserstoffen, verfahrensgemaess stabilisierte chlorkohlenwasserstoffe und ihre verwendung
JPS6474710A (en) * 1987-09-17 1989-03-20 Takano Corp Removal of trace quantity of moisture in power transformer oil
DE4004462A1 (de) * 1990-02-14 1991-08-22 Beck & Co Ag Dr Verfahren zur inline-trocknung von n-methylpyrrolidon enthaltenden polyamidimiddrahtlacken in lackieranlagen
DE4033172C1 (enrdf_load_stackoverflow) * 1990-10-19 1992-05-21 Maschinenfabrik Reinhausen Gmbh, 8400 Regensburg, De
DE19547753A1 (de) * 1995-12-20 1997-06-26 Bayerische Motoren Werke Ag Hydraulische Bremsanlage für ein Kraftfahrzeug
DE10027002B4 (de) * 1999-06-02 2005-02-17 Advantest Corp. Kühlsystem
DE102004002716A1 (de) * 2004-01-19 2005-08-11 Siemens Ag Verfahren zum Reinigen eines Kühl- und/oder Isoliermittels
EP3185259A1 (en) * 2015-12-21 2017-06-28 General Electric Technology GmbH Method for regulating the humidity content level in an electrical transformer having oil-impregnated cellulosic insulating elements

Also Published As

Publication number Publication date
FR2278138A1 (fr) 1976-02-06
BE830159A (fr) 1975-10-01
DD118193A5 (enrdf_load_stackoverflow) 1976-02-12
LU72690A1 (enrdf_load_stackoverflow) 1975-09-29
DE2432911A1 (de) 1976-01-29
NL7507169A (nl) 1976-01-13

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Legal Events

Date Code Title Description
ST Notification of lapse