SU416800A1 - - Google Patents

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Publication number
SU416800A1
SU416800A1 SU1800826A SU1800826A SU416800A1 SU 416800 A1 SU416800 A1 SU 416800A1 SU 1800826 A SU1800826 A SU 1800826A SU 1800826 A SU1800826 A SU 1800826A SU 416800 A1 SU416800 A1 SU 416800A1
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SU
USSR - Soviet Union
Prior art keywords
output
duration
limiter
pulse
pulses
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Application number
SU1800826A
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Russian (ru)
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Priority to SU1800826A priority Critical patent/SU416800A1/ru
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Publication of SU416800A1 publication Critical patent/SU416800A1/ru

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Description

1one

Изобретение относитс  к иолуироводниковым реле разности частот.This invention relates to a frequency difference relay.

Известное устройство, содержащее формирователи имиульсов, подключенные к разделительным трансформаторам, дифференцирующий блок, схему сравнени , выход которой через расширитель имиульсов и элемент выдержки времени соединен с исполнительным органом, сложно.The known device comprising immersion drivers connected to separation transformers, a differentiating unit, a comparison circuit, the output of which is connected to the executive body through an imimuls expander and a time delay element, is difficult.

Дл  уирощеин  устройства выход одного формировател  импульсов включен на один из входов ехем1 1 сравнени  через ограничитель длительности имнульсов.For the uyroshchein device, the output of one pulse driver is connected to one of the comparison inputs Ex1 1 1 through the limiter of the duration of the pulses.

Иа чертеже дана блок-схема предложенного устройства.Ia drawing given a block diagram of the proposed device.

1-1а схеме: 1, 2 - входные согласующие трансформаторы; 3, 4 - формирователи пр моугольных имнульсов; 5 - блок питани ; 6- дифференцирующий блок; 7 - схема еравнени ; 8 - расщиритель импульсов; 9 - элемеит выдержки времени; 10 - исполнительный орган; 11-ограничитель длительности пмпульсов .1-1a diagram: 1, 2 - input matching transformers; 3, 4 — rectangular inverse pullers; 5 - power unit; 6- differentiating unit; 7 is an equation diagram; 8 - pulse puller; 9 - time delay element; 10 - executive body; 11-limiter pmpulso duration.

Остаточное напр жение подключаемого генератора и напр жение сети подают через разделительные согласующие трансформаторы 1 и 2 на формирователп пр моугольных имнульсов 3 и 4. Фop иpoвaтeли преобразуют подаваемые на их вход синусоидальные напр жени  в импульсы пр моугольной формы. С выхода формировател  4 ир моутольные импульсы подают на дифференцирующий блок 6, который формирует из пр моугольных пмиульсов короткие отрицательиые и положительиые импульсы, соответствующие переднему и заднему фроитам подаваемого пр моугольного нмпульса. С выхода формировател  3 пр моугольные импульсы подают на ограничитель длительности импульсов 11. Величппа длительности ограничени  выходного напр жени  формировател  3 - од . При частоте напр жени  подключаемого генератора f,- большей,The residual voltage of the connected generator and the mains voltage are fed through isolating matching transformers 1 and 2 to the rectangular impulse generator 3 and 4. Fop transducers convert the sinusoidal voltages applied to their input into rectangular pulses. From the output of the imaging device 4, irut impulses are fed to the differentiating unit 6, which forms short negative and positive impulses from rectangular pmiuls that correspond to the front and rear impulses of a rectangular impulse. From the output of the former 3, square-wave pulses are applied to the limiter of the duration of the pulses 11. The magnitude of the duration of the restriction of the output voltage of the former 3 - o. At the voltage frequency of the connected generator f, - greater

qeM - ограпичитель длительиости 11 неqeM - length limiter 11 not

оказывает никакого вли ни  на работу реле разности частот. В том случае, когда напр жение fi- меньше .i , ограничитель длител)ностн 11 ограничивает длительиость выходного нанр жени  формпровател  пр моугол1 н| ,1х пмпульсов 3 до величины /од. Напр жени  с выхода ограничител  длительности и с дифференцирующего блока 6 поступают на вход схемы сравнени  7, где происходит сравнение по фазе путем определени  знака одной из величин в момент поступлени  импульса от другой. С выхода схемы сравнени  сигнал ноступает на расширитель импульсов 8. сравнива  ллительлость между последо;; тельными паузами в выход 10ч 1апр5;же:1н  р:;сширител  импульсов 8 с фиксироваппым временем , вел -1чипа которого ,ел егс  уст зкой элемента выдерл ки времени 9, poariDyio-i на разность частот ггодаваемых на )еле пппр жений . Выходной сигнал ностунае- с эло мента выдержки времени 9 на нсполнительныП орган 10 только в шм случае, когда на выходке расширител  импульсов сигнал сохран етс  i течение времени, достаточного дл  срабап,вани  элеме1гга выдержки .It has no effect on the operation of the frequency difference relay. In the case when the voltage fi is less than .i, the limiter duration 11 limits the duration of the output pattern of the straight angle 1 | , 1 pmpulses 3 to magnitude / od. The voltages from the output of the duration limiter and from the differentiating unit 6 are fed to the input of the comparison circuit 7, where the phase comparison takes place by determining the sign of one of the quantities at the moment of arrival of the pulse from the other. From the output of the comparison circuit, the signal arrives at the pulse expander 8. comparing the efficiency between the subsequent ;; with solid pauses at the output of 10h 1appr; the same: 1n p:; pulse expander 8 with fixed time, which led 1chip, using the time delay element 9, poariDyio-i to the difference in the frequency of the year. The output signal is noost from the time delay element 9 to the complement of the organ 10 only in the case when the signal at the output of the pulse expander signal is preserved for a period of time sufficient for operation of the exposure element.

11 ) с- л мет изобретен и  11) c-l meth invented and

Реле paoiiocTii частот, содержапдее d)opMjjp(,иатгли ид пульсов, подключенпые к разделительн л: тралсформаторам, выход одного ii; по1 нуг1; х (1О :1мирователе11 через дифферсмлируюнлн блок включен на один из входо;; схемы сраз1:е;л-1 . выход Kdopoii через раснп-;1 )итель имнульсов и элемент выдер ки Б1)емени соединен с исиолиительным органом, о тл и ч а ю И, е е с   тем, что, с целью упрощенн;, выход irroporo фop тиpoвaтeл  имнульсо ;. .ключен на  .оугой вхо/i схемы сравненн  ч;04 ограчнчнте.п, л..()С1 н iiMHy.ribcoii.Relay paoiiocTii frequencies, content d) opMjjp (and pulley idles connected to the separator l: switching transformers, output one ii; 1) the output of Kdopoii through the resolution; 1) the model of pulses and the element of the shutter B1) is connected with the insulatory body, which is simplified; the output of the irroporo is impulsive; . .connected on .goI / i circuits sravnn; h. 04 ogricchnchnte.p, l .. () C1 n iiMHy.ribcoii.

SU1800826A 1972-06-23 1972-06-23 SU416800A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1800826A SU416800A1 (en) 1972-06-23 1972-06-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1800826A SU416800A1 (en) 1972-06-23 1972-06-23

Publications (1)

Publication Number Publication Date
SU416800A1 true SU416800A1 (en) 1974-02-25

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Application Number Title Priority Date Filing Date
SU1800826A SU416800A1 (en) 1972-06-23 1972-06-23

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SU (1) SU416800A1 (en)

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