ZA747917B - Method and apparatus for the detection of short circuits - Google Patents

Method and apparatus for the detection of short circuits

Info

Publication number
ZA747917B
ZA747917B ZA00747917A ZA747917A ZA747917B ZA 747917 B ZA747917 B ZA 747917B ZA 00747917 A ZA00747917 A ZA 00747917A ZA 747917 A ZA747917 A ZA 747917A ZA 747917 B ZA747917 B ZA 747917B
Authority
ZA
South Africa
Prior art keywords
detection
short circuits
circuits
short
Prior art date
Application number
ZA00747917A
Other languages
English (en)
Inventor
H Rohr
Original Assignee
Secheron Atel
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 Secheron Atel filed Critical Secheron Atel
Publication of ZA747917B publication Critical patent/ZA747917B/xx

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
    • H02H3/44—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 the rate of change of electrical quantities
    • H02H3/445—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 the rate of change of electrical quantities of DC quantities
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks
    • 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
    • H02H3/087—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 dc applications

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measurement Of Current Or Voltage (AREA)
ZA00747917A 1973-12-14 1974-12-12 Method and apparatus for the detection of short circuits ZA747917B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1752573A CH566009A5 (xx) 1973-12-14 1973-12-14

Publications (1)

Publication Number Publication Date
ZA747917B true ZA747917B (en) 1976-01-28

Family

ID=4426102

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00747917A ZA747917B (en) 1973-12-14 1974-12-12 Method and apparatus for the detection of short circuits

Country Status (16)

Country Link
US (1) US3970901A (xx)
JP (1) JPS5720774B2 (xx)
AT (1) AT340514B (xx)
AU (1) AU497189B2 (xx)
BE (1) BE823263A (xx)
BR (1) BR7410405D0 (xx)
CA (1) CA997827A (xx)
CH (1) CH566009A5 (xx)
DE (1) DE2406197C3 (xx)
ES (1) ES432867A1 (xx)
FR (1) FR2254898B1 (xx)
GB (1) GB1495403A (xx)
IT (1) IT1033111B (xx)
NL (1) NL181698C (xx)
SE (1) SE394035B (xx)
ZA (1) ZA747917B (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5183147A (xx) * 1975-01-20 1976-07-21 Tokyo Shibaura Electric Co
CH619569A5 (xx) * 1976-12-02 1980-09-30 Bbc Brown Boveri & Cie
US4203142A (en) * 1978-07-31 1980-05-13 Lee Donald E Ground fault system and method of detection
JPS5679402U (xx) * 1979-11-24 1981-06-27
US4443854A (en) * 1981-06-08 1984-04-17 Electric Power Research Institute, Inc. Current sensor responsive to symmetrical and asymmetrical currents and current limiting protector utilizing same
EP0136363A1 (de) * 1983-09-07 1985-04-10 P + T Patent und Technologie AG Selbstadaptierende Applikationseinrichtung für intermittierte Hochfrequenzpulse zu Kurzwellengeräten für medizinisch-physikalische Therapien
US4819117A (en) * 1987-08-25 1989-04-04 Trw Inc. Method and apparatus for detecting excessive current draw in an electrical load
DE19605023C2 (de) * 1996-01-31 1999-08-05 Siemens Ag Verfahren zum Erfassen einer sprunghaften Änderung einer elektrischen Wechselgröße
DE19841715A1 (de) * 1998-09-11 2000-03-30 Siemens Ag Überwachungsverfahren und Überwachungsvorrichtung für ein Filter
US8618805B2 (en) * 2004-03-25 2013-12-31 02Micro, Inc. Battery pack with a battery protection circuit
US7804254B2 (en) * 2006-04-19 2010-09-28 Monolithic Power Systems, Inc. Method and circuit for short-circuit and over-current protection in a discharge lamp system
JP5370090B2 (ja) * 2009-11-12 2013-12-18 アンデン株式会社 過電流検出機能を有したスイッチ回路
TW201136082A (en) * 2010-02-22 2011-10-16 O2Micro Inc Battery protection circuit, method and battery pack thereof
CN104133153A (zh) * 2014-08-19 2014-11-05 刘瑞 一种用于电梯电机的短路检测电路
DE102016124638A1 (de) 2016-12-16 2018-06-21 Eaton Industries (Austria) Gmbh Überstrom- und Kurzschlussdetektor
CN112757971A (zh) * 2021-01-26 2021-05-07 樊衍 一种重载铁路at供电供电能力计算方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE884844C (de) * 1941-05-22 1953-07-30 Siemens Ag Verfahren und Einrichtung zur Erfassung von ploetzlichen Zustands-aenderungen, insbesondere Kurzschluessen, in elektrischen Stromkreisen
US3317795A (en) * 1964-04-21 1967-05-02 Gen Electric Overcurrent protective means
DE1563661C3 (de) * 1966-02-03 1978-06-15 Siemens Ag, 1000 Berlin Und 8000 Muenchen Auslöseeinrichtung für elektrische Schalter
US3419757A (en) * 1966-04-08 1968-12-31 Gen Electric Overcurrent protective means
US3558986A (en) * 1968-12-02 1971-01-26 Us Interior Tieline swing relay
DE1911202B2 (de) * 1969-02-28 1977-12-29 Siemens AG, 1000 Berlin und 8000 München Elektronische ueberstromausloesung fuer elektrische schalter
US3657605A (en) * 1969-07-02 1972-04-18 Ass Elect Ind Overcurrent transient non-responsive trip device
CA912690A (en) * 1970-05-07 1972-10-17 T. Wilson John Circuit breaker including improved overcurrent protective device
DE2143971C3 (de) * 1971-09-02 1981-12-03 Hewlett-Packard GmbH, 7030 Böblingen Spitzenwert-Detektorschaltung
DE2207315A1 (de) * 1972-02-17 1973-08-23 Bodenseewerk Perkin Elmer Co Peakdetektor
US3796918A (en) * 1973-03-26 1974-03-12 Robertshaw Controls Co Current overload protection system
DE2338918C3 (de) * 1973-08-01 1982-06-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Auslösegerät
US3836790A (en) * 1973-08-22 1974-09-17 Lorain Prod Corp A-c voltage detector

Also Published As

Publication number Publication date
SE7415477L (xx) 1975-06-16
NL7416158A (nl) 1975-06-17
CA997827A (en) 1976-09-28
SE394035B (sv) 1977-05-31
AT340514B (de) 1977-12-27
AU497189B2 (en) 1978-12-07
IT1033111B (it) 1979-07-10
NL181698B (nl) 1987-05-04
GB1495403A (en) 1977-12-21
JPS5091738A (xx) 1975-07-22
NL181698C (nl) 1987-10-01
BR7410405D0 (pt) 1975-09-16
DE2406197C3 (de) 1986-11-13
US3970901A (en) 1976-07-20
DE2406197B2 (de) 1976-09-02
DE2406197A1 (de) 1975-06-19
CH566009A5 (xx) 1975-08-29
AU7637574A (en) 1976-06-17
FR2254898A1 (xx) 1975-07-11
ES432867A1 (es) 1976-11-01
JPS5720774B2 (xx) 1982-05-01
ATA992374A (de) 1977-04-15
FR2254898B1 (xx) 1976-12-17
BE823263A (fr) 1975-04-01

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