[go: up one dir, main page]

FR2721433B1 - Overcurrent protection circuit and device using such a circuit. - Google Patents

Overcurrent protection circuit and device using such a circuit.

Info

Publication number
FR2721433B1
FR2721433B1 FR9506991A FR9506991A FR2721433B1 FR 2721433 B1 FR2721433 B1 FR 2721433B1 FR 9506991 A FR9506991 A FR 9506991A FR 9506991 A FR9506991 A FR 9506991A FR 2721433 B1 FR2721433 B1 FR 2721433B1
Authority
FR
France
Prior art keywords
circuit
overcurrent protection
protection circuit
overcurrent
protection
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 - Fee Related
Application number
FR9506991A
Other languages
French (fr)
Other versions
FR2721433A1 (en
Inventor
Tanimizu Tooru
Osaka Akira
Gotoh Yoshimoto
Hakamata Yoshimi
Wakasa Fumio
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
Publication of FR2721433A1 publication Critical patent/FR2721433A1/en
Application granted granted Critical
Publication of FR2721433B1 publication Critical patent/FR2721433B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/083—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for three-phase systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
FR9506991A 1994-06-15 1995-06-13 Overcurrent protection circuit and device using such a circuit. Expired - Fee Related FR2721433B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13277194A JP3293327B2 (en) 1994-06-15 1994-06-15 Overcurrent protection circuit and its device

Publications (2)

Publication Number Publication Date
FR2721433A1 FR2721433A1 (en) 1995-12-22
FR2721433B1 true FR2721433B1 (en) 1998-12-18

Family

ID=15089177

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9506991A Expired - Fee Related FR2721433B1 (en) 1994-06-15 1995-06-13 Overcurrent protection circuit and device using such a circuit.

Country Status (6)

Country Link
JP (1) JP3293327B2 (en)
KR (1) KR960002403A (en)
CN (1) CN1047481C (en)
DE (1) DE19521497A1 (en)
FR (1) FR2721433B1 (en)
TW (1) TW269062B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100460622B1 (en) * 2001-11-06 2004-12-09 한국전력공사 The apparatus of transformer with a built-in switch
NL1021022C2 (en) * 2002-07-08 2004-01-09 Pooltechnics B V Drive assembly for switching a motor on and off comprises transformer with at least one primary winding and at least one secondary winding, transformer being arranged so that its emits lower voltage than alternating voltage
FR3021465B1 (en) * 2014-05-21 2016-06-10 Mft D'appareillage Electrique De Cahors PROTECTIVE BLOCK FOR A LOW VOLTAGE PROTECTION CIRCUIT BREAKER, IN PARTICULAR POWER SUPPLIED BY A POLE TRANSFORMER
CN108400040B (en) * 2018-05-08 2024-05-14 佛山职业技术学院 Main and standby power supply switching device with time delay protection
KR102246003B1 (en) * 2019-03-20 2021-04-29 한주현 Automatic Fault Isolation Device System of 3 Phase Batch Open by electric control

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1126976B (en) * 1958-11-14 1962-04-05 Siemens Ag Protective device against premature activation of an overcurrent multi-phase switch-disconnector

Also Published As

Publication number Publication date
JP3293327B2 (en) 2002-06-17
KR960002403A (en) 1996-01-26
DE19521497A1 (en) 1995-12-21
CN1120255A (en) 1996-04-10
TW269062B (en) 1996-01-21
FR2721433A1 (en) 1995-12-22
CN1047481C (en) 1999-12-15
JPH087720A (en) 1996-01-12

Similar Documents

Publication Publication Date Title
FR2733660B1 (en) ELECTROMAGNETIC RADIATION PROTECTION DEVICE
EP0647026A3 (en) Overcurrent protection device for transistor.
FR2708860B1 (en) Protection circuit for implantable electronic device.
FR2722632B1 (en) TELECOMMUNICATIONS DEVICE
FR2726899B1 (en) PROTECTION DEVICE WITH REACTIVE SHIELDING
FR2664760B1 (en) DEVICE FOR PROTECTION AGAINST OVERVOLTAGES AND ITS MONOLITHIC IMPLEMENTATION.
FR2699015B1 (en) Surge protection device.
IT1266875B1 (en) PROTECTION SWITCH DEVICE.
FR2717308B1 (en) Protection device against overvoltages in integrated circuits.
FR2718900B1 (en) Overcurrent protection device.
FR2761543B1 (en) PROTECTION DEVICE FOR A LOW-VOLTAGE ELECTRIC CIRCUIT, MODULE FOR SUCH A PROTECTION DEVICE, AND CIRCUIT FOR THE MODULE
FR2694448B1 (en) Device for protecting an integrated circuit against power cuts.
FR2746964B1 (en) PROTECTIVE CIRCUIT AND DEVICE OF THE SEMICONDUCTOR-ON-INSULATOR TYPE COMPRISING SUCH A CIRCUIT
EP0730301A3 (en) ESD protection device
FR2721433B1 (en) Overcurrent protection circuit and device using such a circuit.
GB2286289B (en) Esd protection circuit
FR2715009B1 (en) Electronic thermal protection device.
FR2763444B1 (en) CORRECTION CIRCUIT AND ELECTRONIC DEVICE USING THE SAME
FR2664759B1 (en) PROTECTION DEVICE AGAINST OVERVOLTAGES.
FR2726118B1 (en) SURGE PROTECTION DEVICE
FR2738682B1 (en) PROTECTION AGAINST OVERVOLTAGES
FR2680809B3 (en) ANISISMIC PROTECTION DEVICE.
FR2714231B1 (en) Surge protection device.
GB2319893B (en) ESD Protection circuit
EP0660519A3 (en) Semiconductor device protection circuit.

Legal Events

Date Code Title Description
ST Notification of lapse