RO93020B1 - Dispozitiv de protectie antiferorezonant pentru transformatoare de tensiune capacitive - Google Patents

Dispozitiv de protectie antiferorezonant pentru transformatoare de tensiune capacitive

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Publication number
RO93020B1
RO93020B1 RO119386A RO11938685A RO93020B1 RO 93020 B1 RO93020 B1 RO 93020B1 RO 119386 A RO119386 A RO 119386A RO 11938685 A RO11938685 A RO 11938685A RO 93020 B1 RO93020 B1 RO 93020B1
Authority
RO
Romania
Prior art keywords
ferroresonance
capacitive voltage
voltage transformers
protective device
device against
Prior art date
Application number
RO119386A
Other languages
English (en)
Other versions
RO93020A2 (ro
Inventor
Victor Andrei Marinescu
Lucretia Silvia Popescu
Emil Gabes
Original Assignee
Centrul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Transformatoare Si Aparataj Electric
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 Centrul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Transformatoare Si Aparataj Electric filed Critical Centrul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Transformatoare Si Aparataj Electric
Priority to RO119386A priority Critical patent/RO93020B1/ro
Publication of RO93020A2 publication Critical patent/RO93020A2/ro
Publication of RO93020B1 publication Critical patent/RO93020B1/ro

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  • Dc-Dc Converters (AREA)

Abstract

în scopul evitarii fenomenului de ferorezonanta si a oscilatiilor subarmonice la transformatoare de tensiune capacitive, se utilizeaza un circuit alcatuit din grupari de tranzistoare antiparalel legate în serie cu rezistoare, montate la bornele uneiînfasurari secundare a transformatorului si un circuit de comanda ce asigura intrarea imediata în conductie a tranzistoarelor la aparitia perturbatiei si, dupa un timp prestabilit, scoaterea lor din conductie, prin scaderea continua a curentilor de baza.
RO119386A 1985-07-03 1985-07-03 Dispozitiv de protectie antiferorezonant pentru transformatoare de tensiune capacitive RO93020B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO119386A RO93020B1 (ro) 1985-07-03 1985-07-03 Dispozitiv de protectie antiferorezonant pentru transformatoare de tensiune capacitive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO119386A RO93020B1 (ro) 1985-07-03 1985-07-03 Dispozitiv de protectie antiferorezonant pentru transformatoare de tensiune capacitive

Publications (2)

Publication Number Publication Date
RO93020A2 RO93020A2 (ro) 1987-11-30
RO93020B1 true RO93020B1 (ro) 1987-12-01

Family

ID=20117540

Family Applications (1)

Application Number Title Priority Date Filing Date
RO119386A RO93020B1 (ro) 1985-07-03 1985-07-03 Dispozitiv de protectie antiferorezonant pentru transformatoare de tensiune capacitive

Country Status (1)

Country Link
RO (1) RO93020B1 (ro)

Also Published As

Publication number Publication date
RO93020A2 (ro) 1987-11-30

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