RO96890B1 - Device for automatically adjusting the frequency generated by a three-phase electric generator - Google Patents

Device for automatically adjusting the frequency generated by a three-phase electric generator

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Publication number
RO96890B1
RO96890B1 RO126022A RO12602286A RO96890B1 RO 96890 B1 RO96890 B1 RO 96890B1 RO 126022 A RO126022 A RO 126022A RO 12602286 A RO12602286 A RO 12602286A RO 96890 B1 RO96890 B1 RO 96890B1
Authority
RO
Romania
Prior art keywords
frequency
phase
electric generator
automatically adjusting
phase electric
Prior art date
Application number
RO126022A
Other languages
Romanian (ro)
Other versions
RO96890A2 (en
Inventor
Viorel Mihoc
Gheorghe Dulca
Original Assignee
îNTREPRINDEREA "ELECTROMOTOR"
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 îNTREPRINDEREA "ELECTROMOTOR" filed Critical îNTREPRINDEREA "ELECTROMOTOR"
Priority to RO126022A priority Critical patent/RO96890B1/en
Publication of RO96890A2 publication Critical patent/RO96890A2/en
Publication of RO96890B1 publication Critical patent/RO96890B1/en

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  • Control Of Eletrric Generators (AREA)

Abstract

Inventia se refera la un dispozitiv utilizat la reglarea automata a frecventei la bornele unui generator electric trifazat (sincron sau asincron), antrenat de o turbina hidraulica (sau orice alt sistem de antrenare fara reglarea automata a frecventei) si este caracterizat prin aceea ca reglarea frecventei la bornele generatorului, respectiv turatia sistemului de antrenare se realizeaza prin intermediul unui echipament electronic care încarca, respectiv descarca, o sarcina auxiliara (balast), printr-un variator static, cu o întârziere fata de impulsurile de sincronizare, pe faza S si pe faza T unde sarcina reprezinta sarcina auxiliara pentru reglajul fin al frecventei. Dispozitivul mai contine doua relee electronice de frecventa cu histerezis reglabil, lucrând pe frecventa nominala, care au rolul de conecta, respectiv de a conecta, instantaneu, în functie de valoarea frecventei, niste rezistente pentru reglajul brut al frecventei.The invention relates to a device used to automatically adjust the frequency at the terminals of a three-phase (synchronous or asynchronous) electric generator driven by a hydraulic turbine (or any other drive system without automatic frequency regulation) and is characterized in that the frequency control at the generator terminals, respectively the drive of the drive system is accomplished by means of an electronic equipment that loads or discharges an auxiliary load (ballast) through a static converter with a delay from the synchronization pulses, on the S phase and on the phase T where the load represents the auxiliary charge for fine-tuning the frequency. The device also contains two frequency electronic relays with adjustable hysteresis, working on the nominal frequency, which are designed to connect or connect instantly, depending on the frequency value, some resistors for the gross frequency adjustment.

RO126022A 1986-12-22 1986-12-22 Device for automatically adjusting the frequency generated by a three-phase electric generator RO96890B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO126022A RO96890B1 (en) 1986-12-22 1986-12-22 Device for automatically adjusting the frequency generated by a three-phase electric generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO126022A RO96890B1 (en) 1986-12-22 1986-12-22 Device for automatically adjusting the frequency generated by a three-phase electric generator

Publications (2)

Publication Number Publication Date
RO96890A2 RO96890A2 (en) 1989-04-28
RO96890B1 true RO96890B1 (en) 1989-05-02

Family

ID=20120204

Family Applications (1)

Application Number Title Priority Date Filing Date
RO126022A RO96890B1 (en) 1986-12-22 1986-12-22 Device for automatically adjusting the frequency generated by a three-phase electric generator

Country Status (1)

Country Link
RO (1) RO96890B1 (en)

Also Published As

Publication number Publication date
RO96890A2 (en) 1989-04-28

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