JPS57104209A - Stationary inductive apparatus - Google Patents

Stationary inductive apparatus

Info

Publication number
JPS57104209A
JPS57104209A JP18044880A JP18044880A JPS57104209A JP S57104209 A JPS57104209 A JP S57104209A JP 18044880 A JP18044880 A JP 18044880A JP 18044880 A JP18044880 A JP 18044880A JP S57104209 A JPS57104209 A JP S57104209A
Authority
JP
Japan
Prior art keywords
sound
proof
vibration
side plate
proof board
Prior art date
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.)
Granted
Application number
JP18044880A
Other languages
Japanese (ja)
Other versions
JPS5948528B2 (en
Inventor
Masaaki Maejima
Minoru Kanai
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP18044880A priority Critical patent/JPS5948528B2/en
Publication of JPS57104209A publication Critical patent/JPS57104209A/en
Publication of JPS5948528B2 publication Critical patent/JPS5948528B2/en
Expired 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
    • H01F27/33—Arrangements for noise damping

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Housings And Mounting Of Transformers (AREA)

Abstract

PURPOSE:To improve sound-insulation effect and weather-proof strength as well as reliability against transportation, earthquake, etc. by a method wherein stoppers are installed between the side plate of a tank and a sound-insulation plate via a vibration proof material to prevent deformation of a thin plate constituting the peripheral part of a sound-proof board. CONSTITUTION:A plurality of reinforcing stakes are installed on a side plate 6, and sound insulation plates 2 are spot welded or like to these reinforcing stakes via a thin plate 1 having a fixed spring constant to constitute a sound-proof board 4. Further, an F-letter type stopper 10A and an L-letter type stopper 10B are fitted on the interior surface of the sound insulation plate 2 and on the exterior surface of the side plate 6 of the tank, respectively. Also, a vibration proof material 11 made of vibration-proof rubber or so between these stoppers, and this is supported at the tip of the L-letter type stopper 10B. With this construction, deformations in the right and left direction of the thin plate 1 constituting the peripheral part of the sound-proof board 4 can be prevented, and vibration from the tank side plate to sound-proof board 4 via stoppers 10A and 10B can be prevented as well. Furthermore, deformation of sound-proof board 4 due to shocks during transportation, earthquake and handling or the like can be prevented.
JP18044880A 1980-12-22 1980-12-22 stationary induction appliance Expired JPS5948528B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18044880A JPS5948528B2 (en) 1980-12-22 1980-12-22 stationary induction appliance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18044880A JPS5948528B2 (en) 1980-12-22 1980-12-22 stationary induction appliance

Publications (2)

Publication Number Publication Date
JPS57104209A true JPS57104209A (en) 1982-06-29
JPS5948528B2 JPS5948528B2 (en) 1984-11-27

Family

ID=16083402

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18044880A Expired JPS5948528B2 (en) 1980-12-22 1980-12-22 stationary induction appliance

Country Status (1)

Country Link
JP (1) JPS5948528B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0152884A1 (en) * 1984-02-14 1985-08-28 Asea Ab Noise reduction device for an alternating current induction apparatus with an iron core
JPH0444117U (en) * 1990-08-20 1992-04-15

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0152884A1 (en) * 1984-02-14 1985-08-28 Asea Ab Noise reduction device for an alternating current induction apparatus with an iron core
JPH0444117U (en) * 1990-08-20 1992-04-15

Also Published As

Publication number Publication date
JPS5948528B2 (en) 1984-11-27

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