SE405774B - Forfarande for minskning av ljudnivan hos en luftkyld transformator - Google Patents

Forfarande for minskning av ljudnivan hos en luftkyld transformator

Info

Publication number
SE405774B
SE405774B SE7505257A SE7505257A SE405774B SE 405774 B SE405774 B SE 405774B SE 7505257 A SE7505257 A SE 7505257A SE 7505257 A SE7505257 A SE 7505257A SE 405774 B SE405774 B SE 405774B
Authority
SE
Sweden
Prior art keywords
procedure
reducing
air
sound level
cooled transformer
Prior art date
Application number
SE7505257A
Other languages
English (en)
Other versions
SE7505257L (sv
Inventor
F Alber
Original Assignee
Transformatoren Union Ag
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 Transformatoren Union Ag filed Critical Transformatoren Union Ag
Publication of SE7505257L publication Critical patent/SE7505257L/sv
Publication of SE405774B publication Critical patent/SE405774B/sv

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
    • H01F27/085—Cooling by ambient air
    • 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
    • H01F27/33—Arrangements for noise damping

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformer Cooling (AREA)
  • Coils Of Transformers For General Uses (AREA)
SE7505257A 1974-05-10 1975-05-06 Forfarande for minskning av ljudnivan hos en luftkyld transformator SE405774B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2422860A DE2422860A1 (de) 1974-05-10 1974-05-10 Luftgekuehlter transformator

Publications (2)

Publication Number Publication Date
SE7505257L SE7505257L (sv) 1975-11-11
SE405774B true SE405774B (sv) 1978-12-27

Family

ID=5915264

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7505257A SE405774B (sv) 1974-05-10 1975-05-06 Forfarande for minskning av ljudnivan hos en luftkyld transformator

Country Status (6)

Country Link
JP (1) JPS50151333A (sv)
AT (1) AT334461B (sv)
DE (1) DE2422860A1 (sv)
GB (1) GB1502995A (sv)
NL (1) NL7505457A (sv)
SE (1) SE405774B (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101625921A (zh) * 2008-07-09 2010-01-13 艾默生网络能源系统北美公司 磁性器件、磁性器件配置方法及开关电源

Also Published As

Publication number Publication date
JPS50151333A (sv) 1975-12-05
AT334461B (de) 1976-01-25
SE7505257L (sv) 1975-11-11
GB1502995A (en) 1978-03-08
NL7505457A (nl) 1975-11-12
DE2422860A1 (de) 1975-11-27
ATA353675A (de) 1976-05-15

Similar Documents

Publication Publication Date Title
NO774380L (no) Fremgangsmaate for fremstilling av aluminiumblikk
SE428562B (sv) Forfarande for framstellning av purinderivat
TR19480A (tr) Trigliserid yaglarinin gomlarinin giderilmesine mahsus usul
SE7605301L (sv) Transformatorkylning
IT1026946B (it) Apparato per la rivelazione di emissioni acustiche
SE422260B (sv) Anordning for stabilisering av utgangskarakteristikorna hos en injektionslaser
SE441808B (sv) Forfarande vid svetsning av rorformiga delar
IT1054753B (it) Procedimento per carbonilare alogenuri d arilalchili
TR19139A (tr) Laktatdehidrojenazenin izoenzimlerinin hepbirden tesbitine mahsus usul
AR205741A1 (es) Conjunto de bobinas
NO146199C (no) Fremgangsmaate for fremstilling av alfa-6-deoksy-5-hydroksytetracyklin-hydroklorid
SE403477B (sv) Forfarande for famstellning av substituerade indoleniner
SE436744B (sv) Forfarande for framstellning av prostacyklinderivat
SE7711964L (sv) Forfarande for framstellning av gamma-pyroner
SE7513879L (sv) Forfarande for syntes av karbamider
SE405774B (sv) Forfarande for minskning av ljudnivan hos en luftkyld transformator
SE7610834L (sv) Forfarande for framstellning av pastastrengsprutbara polymerisat av tetrafluoreten
SE7705317L (sv) Forfarande for snabb nedbromsning av kortslutna asynkronmotorer
AT335925B (de) Spulkasten
SE7706515L (sv) Forfarande for fornetning av plymerer
IT1066001B (it) Procedimento per l esterificazione di clorosilani
SE7604096L (sv) Anordning for utstreckning av telefonlinjers reckvidd
SE7507361L (sv) Forfarande och anordning vid reparation av kokillbottnar.
DD131972A5 (de) Verbesserung an mundharmonikas
SE7511280L (sv) Forfarande for forbettring av dienelastomers egenskaper