MD20040129A - Dispozitiv de control al retelei trifazice - Google Patents

Dispozitiv de control al retelei trifazice Download PDF

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Publication number
MD20040129A
MD20040129A MDA20040129A MD20040129A MD20040129A MD 20040129 A MD20040129 A MD 20040129A MD A20040129 A MDA20040129 A MD A20040129A MD 20040129 A MD20040129 A MD 20040129A MD 20040129 A MD20040129 A MD 20040129A
Authority
MD
Moldova
Prior art keywords
network control
phase network
protection
electrocution
preamplifier
Prior art date
Application number
MDA20040129A
Other languages
English (en)
Other versions
MD3333B2 (ro
Inventor
Vladimir Usenco
Grigore Cazac
Original Assignee
Firma Stiintifica De Producere "Stam" S.R.L.
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 Firma Stiintifica De Producere "Stam" S.R.L. filed Critical Firma Stiintifica De Producere "Stam" S.R.L.
Priority to MDA20040129A priority Critical patent/MD3333B2/ro
Publication of MD20040129A publication Critical patent/MD20040129A/ro
Publication of MD3333B2 publication Critical patent/MD3333B2/ro

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  • Emergency Protection Circuit Devices (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

Inventia se refera la dispozitive de comutare, destinate pentru protectia omului si animalelor de electrocutare, precum si la protectia de la deconectarea unei din fazele instalatiilor electrotehnice. Dispozitivul include un traductor al curentului de scurgere 1, un amplificator preliminar 2, un comparator 3, un ansamblu de retinere in timp 4, o cheie tiristor 5, un releu preliminar P2 - toate unite consecutiv. Intre iesirile lineare ale dispozitivului A2, B2, C2 si conductorul neutru N sunt conectate suplimentar rezistoarele R1, R2, R3 cu potential egal.
MDA20040129A 2004-05-21 2004-05-21 Dispozitiv de control al reţelei trifazate MD3333B2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20040129A MD3333B2 (ro) 2004-05-21 2004-05-21 Dispozitiv de control al reţelei trifazate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20040129A MD3333B2 (ro) 2004-05-21 2004-05-21 Dispozitiv de control al reţelei trifazate

Publications (2)

Publication Number Publication Date
MD20040129A true MD20040129A (ro) 2005-12-31
MD3333B2 MD3333B2 (ro) 2007-05-31

Family

ID=35508798

Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20040129A MD3333B2 (ro) 2004-05-21 2004-05-21 Dispozitiv de control al reţelei trifazate

Country Status (1)

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MD (1) MD3333B2 (ro)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD474Z (ro) * 2011-06-17 2012-08-31 ИНСТИТУТ ЭЛЕКТРОННОЙ ИНЖЕНЕРИИ И НАНОТЕХНОЛОГИЙ "D. Ghitu" АНМ Dispozitiv de comutare şi protecţie a acumulatorului
MD1221Z (ro) * 2017-05-16 2018-07-31 Институт Энергетики Академии Наук Молдовы Procedeu de conectare a sistemelor electrice de curent alternativ

Also Published As

Publication number Publication date
MD3333B2 (ro) 2007-05-31

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Legal Events

Date Code Title Description
KA4A Patent for invention lapsed due to non-payment of fees (with right of restoration)