ZA848000B - A fault detection circuit for ac loads - Google Patents

A fault detection circuit for ac loads

Info

Publication number
ZA848000B
ZA848000B ZA848000A ZA848000A ZA848000B ZA 848000 B ZA848000 B ZA 848000B ZA 848000 A ZA848000 A ZA 848000A ZA 848000 A ZA848000 A ZA 848000A ZA 848000 B ZA848000 B ZA 848000B
Authority
ZA
South Africa
Prior art keywords
loads
detection circuit
fault detection
fault
circuit
Prior art date
Application number
ZA848000A
Other languages
English (en)
Inventor
Wolfgang Puntzner
Jorg Schwarzwalder
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of ZA848000B publication Critical patent/ZA848000B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L7/00—Remote control of local operating means for points, signals, or track-mounted scotch-blocks
    • B61L7/06—Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
    • B61L7/08—Circuitry
    • B61L7/10—Circuitry for light signals, e.g. for supervision, back-signalling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12—Visible signals
    • B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
    • B61L5/1809—Daylight signals
    • B61L5/1881—Wiring diagrams for power supply, control or testing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/21—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel
    • H05B47/22—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel with communication between the lamps and a central unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
ZA848000A 1983-10-22 1984-10-12 A fault detection circuit for ac loads ZA848000B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833338490 DE3338490A1 (de) 1983-10-22 1983-10-22 Schaltungsanordnung zur ueberwachung des betriebszustandes von in der aussenanlage eines stellwerks eingesetzten wechselstromverbrauchern

Publications (1)

Publication Number Publication Date
ZA848000B true ZA848000B (en) 1985-05-29

Family

ID=6212549

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA848000A ZA848000B (en) 1983-10-22 1984-10-12 A fault detection circuit for ac loads

Country Status (6)

Country Link
AT (1) AT398296B (enrdf_load_stackoverflow)
DE (1) DE3338490A1 (enrdf_load_stackoverflow)
ES (1) ES536976A0 (enrdf_load_stackoverflow)
IL (1) IL73207A (enrdf_load_stackoverflow)
YU (1) YU44881B (enrdf_load_stackoverflow)
ZA (1) ZA848000B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3920430A1 (de) * 1989-06-22 1991-01-03 Standard Elektrik Lorenz Ag Schaltungsanordnung zur ueberwachung von wechselstromverbrauchern in eisenbahnsignalanlagen
DE4110990A1 (de) * 1991-04-05 1992-10-08 Standard Elektrik Lorenz Ag Einrichtung zur pruefung von signallampen in eisenbahnanlagen
EP1524167B1 (de) * 2003-10-14 2010-11-03 Siemens Schweiz AG Verfahren und Schaltungsanordnung zur Erzeugung einer eisenbahntechnisch sicheren Rückmeldung
DE102004057449B3 (de) * 2004-11-24 2006-07-20 Siemens Ag Schaltung zur Ansteuerung und Überwachung einer Mehrzahl von Signallampen
CN108934104A (zh) * 2017-05-25 2018-12-04 上海利永贞电子科技有限公司 一种太阳能交通灯无线同步闪烁控制模块
DK4219266T3 (da) * 2022-01-28 2024-10-14 Gts Deutschland Gmbh Fremgangsmåde og apparat til bestemmelse af en signalgivers signalaktivitet samt jernbaneanlæg
FI4316945T3 (fi) * 2022-08-05 2025-04-09 Hitachi Rail Gts Deutschland Gmbh Signaaliturvajärjestelmän signaalinlähetyslaite ac-signaalin suojattua lähettämistä varten

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE310790C (enrdf_load_stackoverflow) *
DE1141314B (de) * 1961-01-03 1962-12-20 Siemens Ag UEberwachungseinrichtung fuer mit Wechselstrom gespeiste Lichtsignal-stromkreise, insbesondere in Eisenbahnsignalanlagen
DE1249315B (de) * 1963-04-11 1967-09-07 Siemens Aktiengesellschaft, Berlin und München, München Phasen und amplitudenabhängige Überwachungseinrichtung für die Speiseleitungen von Lichtsignalstromkreisen, insbesondere in Eisenbahnanlagen
DE3025679A1 (de) * 1980-07-07 1982-01-28 Siemens AG, 1000 Berlin und 8000 München Ueberwachungseinrichtung fuer mit wechselstrom gespeiste verbraucher
DE3107090A1 (de) * 1981-02-25 1982-09-09 Siemens AG, 1000 Berlin und 8000 München Verfahren und schaltungsanordnung zur ueberwachung wechselstromgespeister verkehrssignalanlagen
DE3140559A1 (de) * 1981-10-13 1983-04-28 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zum signaltechnisch sicheren betrieb von signallampen
DE3145744C1 (de) * 1981-11-19 1983-04-07 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zur Überwachung von Wechselstromverbrauchern, insbesondere Signallampen

Also Published As

Publication number Publication date
ATA323384A (de) 1990-08-15
IL73207A (en) 1988-12-30
AT398296B (de) 1994-11-25
DE3338490C2 (enrdf_load_stackoverflow) 1990-05-31
YU177784A (en) 1987-10-31
YU44881B (en) 1991-04-30
IL73207A0 (en) 1985-01-31
DE3338490A1 (de) 1985-05-02
ES8604053A1 (es) 1985-12-16
ES536976A0 (es) 1985-12-16

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