DE19521497A1 - Überstromschutzschaltung - Google Patents

Überstromschutzschaltung

Info

Publication number
DE19521497A1
DE19521497A1 DE19521497A DE19521497A DE19521497A1 DE 19521497 A1 DE19521497 A1 DE 19521497A1 DE 19521497 A DE19521497 A DE 19521497A DE 19521497 A DE19521497 A DE 19521497A DE 19521497 A1 DE19521497 A1 DE 19521497A1
Authority
DE
Germany
Prior art keywords
current limiting
phase
fuses
phases
circuit
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.)
Withdrawn
Application number
DE19521497A
Other languages
German (de)
English (en)
Inventor
Tooru Tanimizu
Akira Osaka
Yoshitomo Gotoh
Yoshimi Hakamata
Fumio Wakasa
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 DE19521497A1 publication Critical patent/DE19521497A1/de
Withdrawn legal-status Critical Current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

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Fuses (AREA)
DE19521497A 1994-06-15 1995-06-13 Überstromschutzschaltung Withdrawn DE19521497A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13277194A JP3293327B2 (ja) 1994-06-15 1994-06-15 過電流保護回路とその装置

Publications (1)

Publication Number Publication Date
DE19521497A1 true DE19521497A1 (de) 1995-12-21

Family

ID=15089177

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19521497A Withdrawn DE19521497A1 (de) 1994-06-15 1995-06-13 Überstromschutzschaltung

Country Status (6)

Country Link
JP (1) JP3293327B2 (US06373033-20020416-M00071.png)
KR (1) KR960002403A (US06373033-20020416-M00071.png)
CN (1) CN1047481C (US06373033-20020416-M00071.png)
DE (1) DE19521497A1 (US06373033-20020416-M00071.png)
FR (1) FR2721433B1 (US06373033-20020416-M00071.png)
TW (1) TW269062B (US06373033-20020416-M00071.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3021465A1 (fr) * 2014-05-21 2015-11-27 Cahors App Elec Bloc de protection pour disjoncteur de protection d'un depart basse tension, notamment alimente par un transformateur sur poteau
CN108400040A (zh) * 2018-05-08 2018-08-14 佛山职业技术学院 一种具有延时保护的主备用电源切换装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100460622B1 (ko) * 2001-11-06 2004-12-09 한국전력공사 개폐장치가 내장된 지상변압기
NL1021022C2 (nl) * 2002-07-08 2004-01-09 Pooltechnics B V Aandrijfstelsel voor het aandrijven van een laagspanningsmotor.
KR102246003B1 (ko) * 2019-03-20 2021-04-29 한주현 3상 동시 일괄제어가 가능한 단상형 고장구간 자동 개방 장치

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1126976B (de) * 1958-11-14 1962-04-05 Siemens Ag Schutzeinrichtung gegen vorzeitiges Ansprechen eines UEberstrom fuehrenden mehrphasigen Lasttrennschalters

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1126976B (de) * 1958-11-14 1962-04-05 Siemens Ag Schutzeinrichtung gegen vorzeitiges Ansprechen eines UEberstrom fuehrenden mehrphasigen Lasttrennschalters

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3021465A1 (fr) * 2014-05-21 2015-11-27 Cahors App Elec Bloc de protection pour disjoncteur de protection d'un depart basse tension, notamment alimente par un transformateur sur poteau
CN108400040A (zh) * 2018-05-08 2018-08-14 佛山职业技术学院 一种具有延时保护的主备用电源切换装置
CN108400040B (zh) * 2018-05-08 2024-05-14 佛山职业技术学院 一种具有延时保护的主备用电源切换装置

Also Published As

Publication number Publication date
JP3293327B2 (ja) 2002-06-17
KR960002403A (ko) 1996-01-26
CN1047481C (zh) 1999-12-15
JPH087720A (ja) 1996-01-12
FR2721433A1 (fr) 1995-12-22
FR2721433B1 (fr) 1998-12-18
TW269062B (US06373033-20020416-M00071.png) 1996-01-21
CN1120255A (zh) 1996-04-10

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8139 Disposal/non-payment of the annual fee