RO87763B1 - Method and installation for determining prearcing time - Google Patents

Method and installation for determining prearcing time

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Publication number
RO87763B1
RO87763B1 RO111800A RO11180083A RO87763B1 RO 87763 B1 RO87763 B1 RO 87763B1 RO 111800 A RO111800 A RO 111800A RO 11180083 A RO11180083 A RO 11180083A RO 87763 B1 RO87763 B1 RO 87763B1
Authority
RO
Romania
Prior art keywords
fuse
determining
time
installation
derivative
Prior art date
Application number
RO111800A
Other languages
Romanian (ro)
Other versions
RO87763A2 (en
Inventor
Marian Mihai
Ion Barbu
Original Assignee
Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Industria Electrotehnica
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 Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Industria Electrotehnica filed Critical Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Industria Electrotehnica
Priority to RO83111800A priority Critical patent/RO87763A2/en
Publication of RO87763B1 publication Critical patent/RO87763B1/en
Publication of RO87763A2 publication Critical patent/RO87763A2/en

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Abstract

Inventia se refera la o metoda si la o instalatie de determinare a timpilor de prearc la sigurante fuzibile, care consta în masurarea timpului între aparitia curentului prin siguranta si topirea fuzibilului sigurantei, cu un numarator electric declansat de un circuit format dintr-un transformator înseriat în siguranta si conectat în continuare cu doua amplificatoare inversor si neinversor în paralel si urmate de un derivator si un limuitator de tensiune, numaratorul fiin oprit de un circuit ce include un divizot de tensiune conectat în paralel cu siguranta urmat de un redresor, un derivator si un limitator de tensiune.The invention relates to a method and to a device for determining the friction fuse time, which consists in measuring the time between the occurrence of the current through the fuse and fuse of the fuse, with an electric counter triggered by a circuit formed by a transformer in the and continuously connected with two inverse and non-inversion amplifiers in parallel and followed by a derivative and a voltage limiter, the count being stopped by a circuit that includes a voltage divisor connected in parallel with the safety followed by a rectifier, a derivative and a voltage limiter.

RO83111800A 1983-08-02 1983-08-02 METHOD AND INSTALLATION FOR THE DETERMINATION OF PREPARATION TIMES RO87763A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO83111800A RO87763A2 (en) 1983-08-02 1983-08-02 METHOD AND INSTALLATION FOR THE DETERMINATION OF PREPARATION TIMES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO83111800A RO87763A2 (en) 1983-08-02 1983-08-02 METHOD AND INSTALLATION FOR THE DETERMINATION OF PREPARATION TIMES

Publications (2)

Publication Number Publication Date
RO87763B1 true RO87763B1 (en) 1985-12-01
RO87763A2 RO87763A2 (en) 1985-12-20

Family

ID=20113496

Family Applications (1)

Application Number Title Priority Date Filing Date
RO83111800A RO87763A2 (en) 1983-08-02 1983-08-02 METHOD AND INSTALLATION FOR THE DETERMINATION OF PREPARATION TIMES

Country Status (1)

Country Link
RO (1) RO87763A2 (en)

Also Published As

Publication number Publication date
RO87763A2 (en) 1985-12-20

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