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IT1231846B - Sistema elettronico di sicurezza, antifolgorazione, per macchine ed impianti elettrici. - Google Patents

Sistema elettronico di sicurezza, antifolgorazione, per macchine ed impianti elettrici.

Info

Publication number
IT1231846B
IT1231846B IT8921713A IT2171389A IT1231846B IT 1231846 B IT1231846 B IT 1231846B IT 8921713 A IT8921713 A IT 8921713A IT 2171389 A IT2171389 A IT 2171389A IT 1231846 B IT1231846 B IT 1231846B
Authority
IT
Italy
Prior art keywords
pulding
machines
electrical systems
electronic safety
safety
Prior art date
Application number
IT8921713A
Other languages
English (en)
Other versions
IT8921713A0 (it
Inventor
Roberto Ossola
Original Assignee
Electrical Safety Company S R
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 Electrical Safety Company S R filed Critical Electrical Safety Company S R
Priority to IT8921713A priority Critical patent/IT1231846B/it
Publication of IT8921713A0 publication Critical patent/IT8921713A0/it
Priority to EP90117458A priority patent/EP0417719A1/en
Application granted granted Critical
Publication of IT1231846B publication Critical patent/IT1231846B/it

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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
    • H02H5/083—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays responsive to the entry or leakage of a liquid into an electrical appliance

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Emergency Protection Circuit Devices (AREA)
IT8921713A 1989-09-14 1989-09-14 Sistema elettronico di sicurezza, antifolgorazione, per macchine ed impianti elettrici. IT1231846B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT8921713A IT1231846B (it) 1989-09-14 1989-09-14 Sistema elettronico di sicurezza, antifolgorazione, per macchine ed impianti elettrici.
EP90117458A EP0417719A1 (en) 1989-09-14 1990-09-11 Anti-electric shock safety system, for electric machinery and installations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8921713A IT1231846B (it) 1989-09-14 1989-09-14 Sistema elettronico di sicurezza, antifolgorazione, per macchine ed impianti elettrici.

Publications (2)

Publication Number Publication Date
IT8921713A0 IT8921713A0 (it) 1989-09-14
IT1231846B true IT1231846B (it) 1992-01-14

Family

ID=11185802

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8921713A IT1231846B (it) 1989-09-14 1989-09-14 Sistema elettronico di sicurezza, antifolgorazione, per macchine ed impianti elettrici.

Country Status (2)

Country Link
EP (1) EP0417719A1 (it)
IT (1) IT1231846B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19505541A1 (de) * 1995-02-18 1996-08-22 Wilo Gmbh Lagerüberwachung für Elektromotor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL32221A0 (en) * 1969-05-14 1969-07-30 Amcor Ltd Earth-leakage protection system
FR2177610B1 (it) * 1972-03-31 1975-10-24 Heinemann Elect South Africa
IT1087195B (it) * 1977-11-03 1985-05-31 Gilardoni Giovanni Sistema di protezione contro i cortocircuiti e le fulminazioni da corrente elettrica,ed apparecchiatura e cavo di alimentazione che utilizzano detto sistema
FR2426973A1 (fr) * 1978-05-23 1979-12-21 Laprom Corp Nv Disjoncteur de courant de fuite
FR2454206A1 (fr) * 1979-04-09 1980-11-07 Osmond Max Alimentation electrique de securite a thyristor entre masse et terre
DE3338820A1 (de) * 1983-10-26 1985-05-15 Robert Krups Stiftung & Co KG, 5650 Solingen Elektrisches anschlussgeraet, wie steckdose, mit fehlerstromschalter fuer elektrische verbraucher
AT388625B (de) * 1987-11-19 1989-08-10 Bremel Hans Schutzeinrichtung fuer elektrische netzgeraete, insbesondere handgeraete

Also Published As

Publication number Publication date
EP0417719A1 (en) 1991-03-20
IT8921713A0 (it) 1989-09-14

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