EP3413320A3 - Overvoltage protection device including multiple varistor wafers - Google Patents

Overvoltage protection device including multiple varistor wafers Download PDF

Info

Publication number
EP3413320A3
EP3413320A3 EP18190872.4A EP18190872A EP3413320A3 EP 3413320 A3 EP3413320 A3 EP 3413320A3 EP 18190872 A EP18190872 A EP 18190872A EP 3413320 A3 EP3413320 A3 EP 3413320A3
Authority
EP
European Patent Office
Prior art keywords
varistor
wafers
protection device
overvoltage protection
device including
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
EP18190872.4A
Other languages
German (de)
French (fr)
Other versions
EP3413320A2 (en
EP3413320B1 (en
Inventor
Tine Tavcar
Sasa Rustja
Alexis CHOROZOGLOU
George Peppas
Fotis Xepapas
Zafiris G. Politis
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.)
Ripd Res And Ip Development Ltd
Ripd Research And Ip Development Ltd
Original Assignee
Ripd Res And Ip Development Ltd
Ripd Research And Ip Development 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
Priority claimed from US15/795,986 external-priority patent/US10707678B2/en
Priority to SI201830133T priority Critical patent/SI3413320T1/en
Priority to PL18190872T priority patent/PL3413320T3/en
Priority to RS20201341A priority patent/RS61022B1/en
Priority to EP20174839.9A priority patent/EP3716296A3/en
Application filed by Ripd Res And Ip Development Ltd, Ripd Research And Ip Development Ltd filed Critical Ripd Res And Ip Development Ltd
Publication of EP3413320A2 publication Critical patent/EP3413320A2/en
Publication of EP3413320A3 publication Critical patent/EP3413320A3/en
Publication of EP3413320B1 publication Critical patent/EP3413320B1/en
Application granted granted Critical
Priority to HRP20201798TT priority patent/HRP20201798T1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • 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
    • H01C7/001—Mass resistors
    • 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
    • H01C7/102—Varistor boundary, e.g. surface layers
    • 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
    • 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
    • H01C7/123—Arrangements for improving potential distribution

Abstract

An overvoltage protection device (100) includes a first electrode member (122), a piston-shaped second electrode member (124), and a varistor assembly (150). The varistor assembly includes: a plurality of varistor wafers (152, 154, 156) each formed of a varistor material; and at least one electrically conductive interconnect member (160, 162) connecting the varistor wafers in electrical parallel between the first and second electrode members. The varistor wafers are axially stacked between the first and second electrodes. The assembly further comprises a bonding agent (164, 164') bonding at least two of the varistor wafers in the varistor assembly to one another.
EP18190872.4A 2017-10-27 2018-08-25 Overvoltage protection device including multiple varistor wafers Active EP3413320B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SI201830133T SI3413320T1 (en) 2017-10-27 2018-08-25 Overvoltage protection device including multiple varistor wafers
PL18190872T PL3413320T3 (en) 2017-10-27 2018-08-25 Overvoltage protection device including multiple varistor wafers
RS20201341A RS61022B1 (en) 2017-10-27 2018-08-25 Overvoltage protection device including multiple varistor wafers
EP20174839.9A EP3716296A3 (en) 2017-10-27 2018-08-25 Overvoltage protection device including multiple varistor wafers
HRP20201798TT HRP20201798T1 (en) 2017-10-27 2020-11-10 Overvoltage protection device including multiple varistor wafers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15/795,986 US10707678B2 (en) 2016-12-23 2017-10-27 Overvoltage protection device including multiple varistor wafers

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP20174839.9A Division EP3716296A3 (en) 2017-10-27 2018-08-25 Overvoltage protection device including multiple varistor wafers
EP20174839.9A Division-Into EP3716296A3 (en) 2017-10-27 2018-08-25 Overvoltage protection device including multiple varistor wafers

Publications (3)

Publication Number Publication Date
EP3413320A2 EP3413320A2 (en) 2018-12-12
EP3413320A3 true EP3413320A3 (en) 2019-07-24
EP3413320B1 EP3413320B1 (en) 2020-08-12

Family

ID=63405135

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20174839.9A Pending EP3716296A3 (en) 2017-10-27 2018-08-25 Overvoltage protection device including multiple varistor wafers
EP18190872.4A Active EP3413320B1 (en) 2017-10-27 2018-08-25 Overvoltage protection device including multiple varistor wafers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20174839.9A Pending EP3716296A3 (en) 2017-10-27 2018-08-25 Overvoltage protection device including multiple varistor wafers

Country Status (11)

Country Link
EP (2) EP3716296A3 (en)
CN (2) CN109727739B (en)
CY (1) CY1123713T1 (en)
DK (1) DK3413320T3 (en)
ES (1) ES2827702T3 (en)
HR (1) HRP20201798T1 (en)
HU (1) HUE051788T2 (en)
PL (1) PL3413320T3 (en)
PT (1) PT3413320T (en)
RS (1) RS61022B1 (en)
SI (1) SI3413320T1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117081023B (en) * 2023-08-21 2024-02-06 济南雷盾电子技术有限公司 Maintenance-free charging pile power lightning protection device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3863111A (en) * 1973-06-29 1975-01-28 Gen Electric Polycrystalline varistor surge protective device for high frequency applications
US5130884A (en) * 1986-10-28 1992-07-14 Allina Edward F Parallel electrical surge-protective varistors
CA2098365A1 (en) * 1992-06-30 1993-12-31 Robert William Smith Surge arrester with spring clip assembly
EP1798742A1 (en) * 2005-12-15 2007-06-20 Raycap Corporation Overvoltage protection device including a wafer of varistor material and a meltable member bridging the wafer of varistor material in case of thermal overload
DE102009004704A1 (en) * 2008-09-17 2010-03-25 Dehn + Söhne Gmbh + Co. Kg Control device for operating protection device i.e. enamel-insulated varistor, for lightening arrester, has potential units that are resistive, where isolation between potential units is removed during excessive load
JP5493065B2 (en) * 2011-03-24 2014-05-14 音羽電機工業株式会社 Varistor device and manufacturing method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5608596A (en) * 1990-10-16 1997-03-04 Cooper Power Systems, Inc. Surge arrester with spring clip assembly
DE102012004678A1 (en) * 2012-03-12 2013-09-12 Phoenix Contact Gmbh & Co. Kg Surge protection device
US8743525B2 (en) * 2012-06-19 2014-06-03 Raycap Intellectual Property, Ltd Overvoltage protection devices including wafer of varistor material
US10447023B2 (en) * 2015-03-19 2019-10-15 Ripd Ip Development Ltd Devices for overvoltage, overcurrent and arc flash protection

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3863111A (en) * 1973-06-29 1975-01-28 Gen Electric Polycrystalline varistor surge protective device for high frequency applications
US5130884A (en) * 1986-10-28 1992-07-14 Allina Edward F Parallel electrical surge-protective varistors
CA2098365A1 (en) * 1992-06-30 1993-12-31 Robert William Smith Surge arrester with spring clip assembly
EP1798742A1 (en) * 2005-12-15 2007-06-20 Raycap Corporation Overvoltage protection device including a wafer of varistor material and a meltable member bridging the wafer of varistor material in case of thermal overload
DE102009004704A1 (en) * 2008-09-17 2010-03-25 Dehn + Söhne Gmbh + Co. Kg Control device for operating protection device i.e. enamel-insulated varistor, for lightening arrester, has potential units that are resistive, where isolation between potential units is removed during excessive load
JP5493065B2 (en) * 2011-03-24 2014-05-14 音羽電機工業株式会社 Varistor device and manufacturing method thereof

Also Published As

Publication number Publication date
PL3413320T3 (en) 2021-01-25
EP3413320A2 (en) 2018-12-12
HRP20201798T1 (en) 2021-01-08
CY1123713T1 (en) 2022-03-24
EP3716296A3 (en) 2020-10-21
EP3716296A2 (en) 2020-09-30
RS61022B1 (en) 2020-12-31
EP3413320B1 (en) 2020-08-12
SI3413320T1 (en) 2020-11-30
PT3413320T (en) 2020-10-26
CN109727739B (en) 2022-08-09
ES2827702T3 (en) 2021-05-24
CN109727739A (en) 2019-05-07
HUE051788T2 (en) 2021-03-29
CN115116683A (en) 2022-09-27
DK3413320T3 (en) 2020-11-09

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