GB895984A - Improvements in or relating to moulded electrical insulation - Google Patents

Improvements in or relating to moulded electrical insulation

Info

Publication number
GB895984A
GB895984A GB2015559A GB2015559A GB895984A GB 895984 A GB895984 A GB 895984A GB 2015559 A GB2015559 A GB 2015559A GB 2015559 A GB2015559 A GB 2015559A GB 895984 A GB895984 A GB 895984A
Authority
GB
United Kingdom
Prior art keywords
layer
electrical
resin
insulation
electrical insulation
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.)
Expired
Application number
GB2015559A
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.)
J R FERGUSON ELECTRICAL ENGINE
Original Assignee
J R FERGUSON ELECTRICAL ENGINE
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 J R FERGUSON ELECTRICAL ENGINE filed Critical J R FERGUSON ELECTRICAL ENGINE
Priority to GB2015559A priority Critical patent/GB895984A/en
Priority to CH661460A priority patent/CH367222A/en
Publication of GB895984A publication Critical patent/GB895984A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
    • H01B17/44—Structural association of insulators with corona rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/58—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/26—Lead-in insulators; Lead-through insulators
    • H01B17/28—Capacitor type
    • 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
    • H01B3/002—Inhomogeneous material in general
    • H01B3/004—Inhomogeneous material in general with conductive additives or conductive layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Insulators (AREA)
  • Insulating Bodies (AREA)

Abstract

895,984. Moulding electrical insulation. FERGUSON (ELECTRICAL ENGINEERS) Ltd., J. R., FERGUSON, J. R., and MALES, R. J. May 25, 1960 [June 12, 1959], No. 20155/59. Class 87(2). An electrical stress distribution or controlling layer is included in electrical insulation of circular cross section e.g. in an electrical bushing by embedding the layer in insulating resin during moulding, the layer being of such form as to allow contraction in the radial dimension when the resin shrinks during curing. A stress distributing layer 12 comprises a wrapped-round sheet with overlapping ends 13 which allows contraction of the layer with the resin. The layer is located in the mould by pre-formed mouldings and upper and lower ends 14 of the layer are rolled over at 14 to avoid having an edge at a point of electrical stress. In the embodiment of Figs. 3 and 4 (not shown) a gap is left between adjacent edges of the sheet; said gap being closed when the resin shrinks, and in the embodiments of Figs. 5 and 6 (not shown), the layer is of wire gauze, perforated metal, or knitted metallic braid. The insulation may be of bell-mouth construction and graded layers may be arranged one within the other in the resin of the insulator.
GB2015559A 1959-06-12 1959-06-12 Improvements in or relating to moulded electrical insulation Expired GB895984A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2015559A GB895984A (en) 1959-06-12 1959-06-12 Improvements in or relating to moulded electrical insulation
CH661460A CH367222A (en) 1959-06-12 1960-06-10 Insulating body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2015559A GB895984A (en) 1959-06-12 1959-06-12 Improvements in or relating to moulded electrical insulation

Publications (1)

Publication Number Publication Date
GB895984A true GB895984A (en) 1962-05-09

Family

ID=10141290

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2015559A Expired GB895984A (en) 1959-06-12 1959-06-12 Improvements in or relating to moulded electrical insulation

Country Status (2)

Country Link
CH (1) CH367222A (en)
GB (1) GB895984A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488199A (en) * 1991-09-20 1996-01-30 G & W Electric Company Electrical-stress-controlled solid dielectric cable termination assembly

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19547120A1 (en) * 1995-12-16 1997-06-19 Sachsenwerk Ag Electrode for medium- or high-voltage apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488199A (en) * 1991-09-20 1996-01-30 G & W Electric Company Electrical-stress-controlled solid dielectric cable termination assembly

Also Published As

Publication number Publication date
CH367222A (en) 1963-02-15

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