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SE9601593L - Varistor Block - Google Patents

Varistor Block

Info

Publication number
SE9601593L
SE9601593L SE9601593A SE9601593A SE9601593L SE 9601593 L SE9601593 L SE 9601593L SE 9601593 A SE9601593 A SE 9601593A SE 9601593 A SE9601593 A SE 9601593A SE 9601593 L SE9601593 L SE 9601593L
Authority
SE
Sweden
Prior art keywords
ring
block
rtm
varistor block
fibres
Prior art date
Application number
SE9601593A
Other languages
Swedish (sv)
Other versions
SE507382C2 (en
SE9601593D0 (en
Inventor
Per Groenberg
Bjoern Lindberg
Peter Nygren
Original Assignee
Asea Brown Boveri
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 Asea Brown Boveri filed Critical Asea Brown Boveri
Priority to SE9601593A priority Critical patent/SE507382C2/en
Publication of SE9601593D0 publication Critical patent/SE9601593D0/en
Priority to JP9538795A priority patent/JP2000509210A/en
Priority to EP97921042A priority patent/EP1012856A1/en
Priority to CN 97194094 priority patent/CN1216631A/en
Priority to BR9708819A priority patent/BR9708819A/en
Priority to PCT/SE1997/000668 priority patent/WO1997041573A1/en
Publication of SE9601593L publication Critical patent/SE9601593L/en
Publication of SE507382C2 publication Critical patent/SE507382C2/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12—Overvoltage protection resistors
    • H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)

Abstract

A varistor block (1) has an insulating ring (2) of composite material surrounding the circular-cylindrical envelope surface of the block. The ring is a ceramic matrix and/or a bursting-preventing bandage of organic fibres. The ring may be of silicon carbide or boron carbide. The fibres may be aramid, 'Kevlar' (RTM) or 'Twaron' (RTM)
SE9601593A 1996-04-26 1996-04-26 Surge arresters that do not disintegrate when subject to electrical/thermal breakdown SE507382C2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE9601593A SE507382C2 (en) 1996-04-26 1996-04-26 Surge arresters that do not disintegrate when subject to electrical/thermal breakdown
JP9538795A JP2000509210A (en) 1996-04-26 1997-04-21 Varistor block
EP97921042A EP1012856A1 (en) 1996-04-26 1997-04-21 Varistor block
CN 97194094 CN1216631A (en) 1996-04-26 1997-04-21 Varistor block
BR9708819A BR9708819A (en) 1996-04-26 1997-04-21 Varistor block
PCT/SE1997/000668 WO1997041573A1 (en) 1996-04-26 1997-04-21 Varistor block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9601593A SE507382C2 (en) 1996-04-26 1996-04-26 Surge arresters that do not disintegrate when subject to electrical/thermal breakdown

Publications (3)

Publication Number Publication Date
SE9601593D0 SE9601593D0 (en) 1996-04-26
SE9601593L true SE9601593L (en) 1997-10-27
SE507382C2 SE507382C2 (en) 1998-05-25

Family

ID=20402353

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9601593A SE507382C2 (en) 1996-04-26 1996-04-26 Surge arresters that do not disintegrate when subject to electrical/thermal breakdown

Country Status (1)

Country Link
SE (1) SE507382C2 (en)

Also Published As

Publication number Publication date
SE507382C2 (en) 1998-05-25
SE9601593D0 (en) 1996-04-26

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