ES440264A1 - Perfeccionamientos en aparatos para detectar variaciones de corriente electrica. - Google Patents

Perfeccionamientos en aparatos para detectar variaciones de corriente electrica.

Info

Publication number
ES440264A1
ES440264A1 ES440264A ES440264A ES440264A1 ES 440264 A1 ES440264 A1 ES 440264A1 ES 440264 A ES440264 A ES 440264A ES 440264 A ES440264 A ES 440264A ES 440264 A1 ES440264 A1 ES 440264A1
Authority
ES
Spain
Prior art keywords
electrical current
detect variations
network
conductor
variation
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
Application number
ES440264A
Other languages
English (en)
Spanish (es)
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of ES440264A1 publication Critical patent/ES440264A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/06—Detection or inhibition of short circuits in the cell
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/15—Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
ES440264A 1974-08-16 1975-08-14 Perfeccionamientos en aparatos para detectar variaciones de corriente electrica. Expired ES440264A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB36166/74A GB1513138A (en) 1974-08-16 1974-08-16 Equipment for detecting variations in direct current flowing in an electrical conductor

Publications (1)

Publication Number Publication Date
ES440264A1 true ES440264A1 (es) 1977-03-01

Family

ID=10385583

Family Applications (1)

Application Number Title Priority Date Filing Date
ES440264A Expired ES440264A1 (es) 1974-08-16 1975-08-14 Perfeccionamientos en aparatos para detectar variaciones de corriente electrica.

Country Status (14)

Country Link
US (1) US4030998A (enExample)
JP (1) JPS5144970A (enExample)
AU (1) AU499035B2 (enExample)
BE (1) BE832421A (enExample)
BR (1) BR7505246A (enExample)
CA (1) CA1045208A (enExample)
DE (1) DE2535983A1 (enExample)
ES (1) ES440264A1 (enExample)
FI (1) FI752293A7 (enExample)
FR (1) FR2356150A1 (enExample)
GB (1) GB1513138A (enExample)
IT (1) IT1041845B (enExample)
NL (1) NL7509535A (enExample)
ZA (1) ZA754978B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003143028A (ja) * 2001-11-01 2003-05-16 Sharp Corp 低雑音コンバータ
US6919012B1 (en) * 2003-03-25 2005-07-19 Olimex Group, Inc. Method of making a composite article comprising a ceramic coating
US9257895B2 (en) * 2004-06-17 2016-02-09 Grant A. MacLennan Distributed gap inductor filter apparatus and method of use thereof
US9793352B1 (en) 2011-06-02 2017-10-17 Ixys Corporation IGBT assembly having saturable inductor for soft landing a diode recovery current

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3574073A (en) * 1968-09-04 1971-04-06 Olin Corp Method for adjusting electrodes
BE757614A (fr) * 1969-10-16 1971-04-16 Montedison Spa Procede et dispositif assurant la protection contre les courts-circuitsdans les cellules electrolytiques
DE2052208A1 (de) * 1970-10-23 1972-05-10 Weishaar E Verfahren zur Messung von physikalischen bzw. chemischen Zustandswerten an bewegten Gegenständen
DE2053589A1 (de) * 1970-10-31 1972-05-04 Dynamit Nobel Ag Verfahren und Einrichtung zum Regeln des Abstandes der Anoden der Elektrolysezellen
JPS526717B2 (enExample) * 1971-09-13 1977-02-24
JPS4944998A (enExample) * 1972-09-05 1974-04-27
US3853723A (en) * 1973-07-10 1974-12-10 Ppg Industries Inc Mercury cell anode short detection and current balancing

Also Published As

Publication number Publication date
JPS5144970A (en) 1976-04-16
AU8367575A (en) 1977-02-10
GB1513138A (en) 1978-06-07
NL7509535A (nl) 1976-02-18
FI752293A7 (enExample) 1976-02-17
FR2356150A1 (fr) 1978-01-20
DE2535983A1 (de) 1976-04-01
BR7505246A (pt) 1976-08-03
US4030998A (en) 1977-06-21
FR2356150B1 (enExample) 1978-12-29
IT1041845B (it) 1980-01-10
AU499035B2 (en) 1979-04-05
ZA754978B (en) 1976-07-28
CA1045208A (en) 1978-12-26
BE832421A (fr) 1976-02-16

Similar Documents

Publication Publication Date Title
SE7507714L (sv) Forfarande och anordning for bestemning av punkten for ledningsfel.
BE846877A (fr) Dispositif de mesure de courants electriques,
BE827401A (fr) Appareil permettant la mise a la terre, le branchement et le debranchement, a distance, de circuits electriques a haute tension
SE411501B (sv) Anordning for detektering av elektrisk overbelastning i en elektrisk anleggning
AT356217B (de) Schaltungsanordnung zur ueberwachung einer wechselspannung
ES440264A1 (es) Perfeccionamientos en aparatos para detectar variaciones de corriente electrica.
SE424939B (sv) Elektrisk apparat for testning av en elektrisk enhet
GB2151360B (en) Apparatus for locating fault points in electric guide loops
ES388864A1 (es) Perfeccionamientos introducidos en los comprobadores de li-neas de cables, en especial de lineas de cables de telecomu-nicacion conectadas.
ES460868A1 (es) Mejoras en aparato para control automatico de transferencia.
GB960370A (en) Improvements in apparatus for the non-destructive testing of electrical insulation
AR203338A1 (es) Iman e corriente alterna con anillo de cortocircuito, dispositivo y procedimiento para su insercion
SU137190A1 (ru) Устройство дл измерени частоты переменного тока
SU928253A1 (ru) Устройство дл измерени сопротивлени изол ции электрических цепей
SU401935A1 (ru) УСТРОЙСТВО дл ИЗМЕРЕНИЯ ЭЛЕКТРИЧЕСКОГО СОПРОТИВЛЕНИЯ ИЗОЛЯЦИИ
FR2234621A1 (en) Rupture detection means for partition walls - two conductors extend over wall and connect to detectors
GB895541A (en) Method and apparatus for the measurement of crack propagation in test panels and the like
GB696251A (en) Method and apparatus for detecting flaws in electric conductors
SU544166A1 (ru) Устройство дл измерени нагрузки в телеграфных сет х св зи
SU507832A1 (ru) Устройство дл измерени разр дов в изол ции силовых трансформаторов
BE815630A (fr) Circuit de mesure de perturbation de phase pour un dispositif de protection de reseau electrique
ES381249A1 (es) Un dispositivo de ohmetro.
GR32435B (el) Ηλεκτρικον μετρον υγρας σταθμης.
SE398687B (sv) Anordning for kortslutning av ett flertal ledare i en elektrisk anleggning
ES326923A1 (es) Dispositivo electronico para la medida de pequeños desplazamientos.