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EP1089309A3 - Electronic overload relay - Google Patents

Electronic overload relay Download PDF

Info

Publication number
EP1089309A3
EP1089309A3 EP00121152A EP00121152A EP1089309A3 EP 1089309 A3 EP1089309 A3 EP 1089309A3 EP 00121152 A EP00121152 A EP 00121152A EP 00121152 A EP00121152 A EP 00121152A EP 1089309 A3 EP1089309 A3 EP 1089309A3
Authority
EP
European Patent Office
Prior art keywords
primary winding
winding
coil former
overload relay
primary
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
EP00121152A
Other languages
German (de)
French (fr)
Other versions
EP1089309B1 (en
EP1089309A2 (en
Inventor
Georgi Dipl.-Ing. Cwetanski
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.)
ABB Patent GmbH
Original Assignee
ABB Patent GmbH
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 ABB Patent GmbH filed Critical ABB Patent GmbH
Publication of EP1089309A2 publication Critical patent/EP1089309A2/en
Publication of EP1089309A3 publication Critical patent/EP1089309A3/en
Application granted granted Critical
Publication of EP1089309B1 publication Critical patent/EP1089309B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase AC
    • H01F38/28—Current transformers
    • H01F38/30—Constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit
    • H01H71/125—Automatic release mechanisms with or without manual release using a solid-state trip unit characterised by sensing elements, e.g. current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Linear Motors (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Protection Of Generators And Motors (AREA)

Abstract

Es wird ein elektronisches Überlastrelais für ein elektrisches Installationsgerät zum Motorschutz, mit einer Primärwicklung (75, 76, 77) oder einem Primärleiter (im folgenden Primärwicklung genannt), einer Sekundärwicklung (65, 66, 67) und mit einem rechteckförmigen Kern (78, 79, 80) jeweils pro Phase beschrieben, bei dem ein Schenkel des Kerns (78, 79, 80) einen die Primärwicklung (75, 76, 77) und die Sekundärwicklung (65, 66, 67) tragenden Spulenkörper (50, 51 ,52) durchgreift, daß am Spulenkörper (50, 51, 52) ein erstes Raumabteil (62, 63, 64) für die Sekundärwicklung zwischen zwei Wandungen und ein zweites Raumabteil (72, 73, 74) zwischen zwei weiteren Wandungen für die Primärwicklung angeformt ist und so je einen Wandler bilden. Dabei sind Anschlußlaschen (87, 88, 89) vorgesehen, die zwei in gleiche Richtung vorspringende, parallele Fahnen (90, 91) aufweisen, von denen eine zur mechanischen Fixierung in eine Aufnahmetasche (84) am Spulenkörper dient und die andere im zweiten Raumabteil mit der Primärwicklung elektrisch leitend verbunden ist.

Figure 00000001
It becomes an electronic overload relay for an electrical installation device for motor protection, with a primary winding (75, 76, 77) or a primary conductor (hereinafter referred to as the primary winding), a secondary winding (65, 66, 67) and with a rectangular core (78, 79 , 80) in each phase, in which one leg of the core (78, 79, 80) has a coil former (50, 51, 52) carrying the primary winding (75, 76, 77) and the secondary winding (65, 66, 67). engages that a first space compartment (62, 63, 64) for the secondary winding between two walls and a second space compartment (72, 73, 74) between two further walls for the primary winding is formed on the coil former (50, 51, 52) and so each form a converter. Connection tabs (87, 88, 89) are provided which have two parallel lugs (90, 91) projecting in the same direction, one of which is used for mechanical fixing in a receiving pocket (84) on the coil former and the other in the second compartment the primary winding is electrically connected.
Figure 00000001
EP00121152A 1999-09-30 2000-09-29 Electronic overload relay Expired - Lifetime EP1089309B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29917174U DE29917174U1 (en) 1999-09-30 1999-09-30 Electronic overload relay
DE29917174U 1999-09-30

Publications (3)

Publication Number Publication Date
EP1089309A2 EP1089309A2 (en) 2001-04-04
EP1089309A3 true EP1089309A3 (en) 2003-05-28
EP1089309B1 EP1089309B1 (en) 2005-04-20

Family

ID=8079623

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00121152A Expired - Lifetime EP1089309B1 (en) 1999-09-30 2000-09-29 Electronic overload relay

Country Status (3)

Country Link
EP (1) EP1089309B1 (en)
AT (1) ATE293839T1 (en)
DE (2) DE29917174U1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004036117B4 (en) * 2004-07-24 2006-12-14 Tmc Sensortechnik Gmbh bimetal thermoswitch
EP2079091B1 (en) 2008-01-10 2014-01-29 Schneider Electric Industries SAS Voltage trigger case for a circuit breaker, voltage trigger device and assembly method
FR2926393B1 (en) * 2008-01-10 2009-12-18 Schneider Electric Ind Sas TRANSFORMATION BLOCK OF A DOUBLE-PASSING ELECTRONIC TRIGGER
EP2549606A1 (en) 2011-07-21 2013-01-23 Eaton Industries GmbH Electronic overload relay
BR112014032888A2 (en) * 2012-07-02 2017-06-27 Siemens Ag current transformer assembly and electrical protection device
CN104467615B (en) * 2014-12-30 2017-06-13 刘浩 motor winding parameter converter

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281359A (en) * 1980-03-14 1981-07-28 General Electric Company Static trip unit for molded case circuit breakers
US4427962A (en) * 1982-04-26 1984-01-24 Zenith Radio Corporation Low profile transformer bobbin
GB2193041A (en) * 1986-07-22 1988-01-27 Bach & Co Relay
US4884048A (en) * 1989-01-18 1989-11-28 General Electric Company Molded case circuit breaker current transformer assembly
US5015983A (en) * 1990-06-18 1991-05-14 General Electric Company Compact circuit interrupter having multiple ampere ratings
US5394127A (en) * 1991-07-09 1995-02-28 Siemens Aktiengesellschaft Electromagnetic relay
WO1998047164A1 (en) * 1997-04-11 1998-10-22 Siemens Energy & Automation, Inc. Trip mechanism for an overload relay
US5892420A (en) * 1996-08-28 1999-04-06 General Electric Company Electronic circuit breaker having modular current transformer sensors

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5321378A (en) 1993-04-08 1994-06-14 General Electric Company Molded case circuit breaker current transformer adapter unit
DE19813888B4 (en) 1998-03-28 2007-07-05 Abb Patent Gmbh Motor protection equipment

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281359A (en) * 1980-03-14 1981-07-28 General Electric Company Static trip unit for molded case circuit breakers
US4427962A (en) * 1982-04-26 1984-01-24 Zenith Radio Corporation Low profile transformer bobbin
GB2193041A (en) * 1986-07-22 1988-01-27 Bach & Co Relay
US4884048A (en) * 1989-01-18 1989-11-28 General Electric Company Molded case circuit breaker current transformer assembly
US5015983A (en) * 1990-06-18 1991-05-14 General Electric Company Compact circuit interrupter having multiple ampere ratings
US5394127A (en) * 1991-07-09 1995-02-28 Siemens Aktiengesellschaft Electromagnetic relay
US5892420A (en) * 1996-08-28 1999-04-06 General Electric Company Electronic circuit breaker having modular current transformer sensors
WO1998047164A1 (en) * 1997-04-11 1998-10-22 Siemens Energy & Automation, Inc. Trip mechanism for an overload relay

Also Published As

Publication number Publication date
DE50010086D1 (en) 2005-05-25
EP1089309B1 (en) 2005-04-20
EP1089309A2 (en) 2001-04-04
ATE293839T1 (en) 2005-05-15
DE29917174U1 (en) 2000-01-13

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