SU91476A1 - Device for removing pointwise non-sinusoidal current curves - Google Patents

Device for removing pointwise non-sinusoidal current curves

Info

Publication number
SU91476A1
SU91476A1 SU416635A SU416635A SU91476A1 SU 91476 A1 SU91476 A1 SU 91476A1 SU 416635 A SU416635 A SU 416635A SU 416635 A SU416635 A SU 416635A SU 91476 A1 SU91476 A1 SU 91476A1
Authority
SU
USSR - Soviet Union
Prior art keywords
sinusoidal current
current
current curves
pointwise
voltage
Prior art date
Application number
SU416635A
Other languages
Russian (ru)
Inventor
Т.И. Шарохин
Original Assignee
Т.И. Шарохин
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 Т.И. Шарохин filed Critical Т.И. Шарохин
Priority to SU416635A priority Critical patent/SU91476A1/en
Application granted granted Critical
Publication of SU91476A1 publication Critical patent/SU91476A1/en

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  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Description

Недостаток известных устройств дл  сн ти  по точкам кривых иесинусоидального тока состоит в том, что они не обеспечивают устойчивой работы вне зависимости от параметров исследуемого тока.A disadvantage of the known devices for removing points and a sinusoidal current by the points is that they do not provide stable operation regardless of the parameters of the current under test.

Отличительна  особенность предлагаемого устройства состоит в том, что в нем применен ферродинамический прибор-приспособление , преобразующее переменный синусоидальный ток в переменный ток пр моугольной формы дл  питани  обмотки возбуждени  прибора , и фазовращатель, регулирующий момент возбуждени  указанного приспособлени .A distinctive feature of the proposed device is that it uses a ferrodynamic device-device that converts alternating sinusoidal current into an alternating rectangular-shaped alternating current to supply the excitation winding of the device, and a phase shifter that regulates the excitation time of the specified device.

На чертеже приведена схема предлагаемого устройства.The drawing shows a diagram of the proposed device.

Устройство состоит из ферродинамического прибора 1 дл  измерени  среднего значени  переменного тока-приспособлени  2 преобразующего синусоидальный ток в переменный ток пр моугольной формы, и фазовращател  3, регулирующего момент возбуждени  приспособлени  2. Фазовращатель 3 питаетс  от вспомогательного напр жени  переменного тока через стабилизаторы 4. В схему устройства включены также катушка взаимоиндукции 5 или другое дифференцирующее приспособление, добавочное сопротивление 6 дл  расширени  пределов измерени  прибора 1 и переключатель 7 дл  изменени  направлени  тока в одной из его обмоток.The device consists of a ferrodynamic device 1 for measuring the average value of an alternating current-device 2 converting sinusoidal current into a rectangular alternating current, and a phase shifter 3 regulating the excitation time of the device 2. The phase shifter 3 is powered by an auxiliary AC voltage through stabilizers 4. the devices also include a mutual induction coil 5 or other differentiating device, an additional resistance 6 for extending the measurement limits of the device 1 and switching ents 7 for changing the direction of current in one of its windings.

Исследуемое напр жение U или ток, форму кривых которых требуетс  определить, подключаетс  к зажимам 8, а вспомогательное напр жение U,, имеющее ту же частоту, что и напр жение U, подключаетс  к зажимам 9.The test voltage U or the current, the shape of the curves of which is to be determined, is connected to the terminals 8, and the auxiliary voltage U, having the same frequency as the voltage U, is connected to the terminals 9.

Сн тие по точкам кривой исследуемого напр жени  производитс  следующим образом.The disruption by the points of the voltage curve under study is performed as follows.

Ротор фазовращател  3 устанавливаетс  в определенные положени , и соответствующие Этим положени м показани  снимаютс  Do; U2.... и„ ферродинамического прибора 1..The rotor of the phase shifter 3 is set to certain positions, and the readings corresponding to these positions are taken Do; U2 .... and „ferrodynamic device 1 ..

Откладыва  в пр моугольной системе координат по оси X показани  фазовращател  d, а по оси Y-показани  ферродинамического гальванометра и„ получим графические изображени  формы кривой исследуемого напр жени  (или тока).Putting in the rectangular coordinate system along the X axis the readings of the phase shifter d, and along the Y axis showing the ferrodynamic galvanometer and "we obtain graphical representations of the shape of the curve of the voltage under study (or current).

Предмет изобретени Subject invention

Устройство дл  сн ти  по точкам кривых несинусоидального тока , от л и ч а ю щ&ес   тем, что, с целью обеспечени  устойчивой работы вне зависимости от параметров исследуемого тока, оно составлено из ферродинамического прибора-приспособлени , преобразующего переменный синусоидальный ток в переменный ток пр моугольной формы дл  питани  обмотки возбуждени  прибора, и фазовраща тел , регулирующего момент возбуждени  указанного приспособлени .The device for removing the points of non-sinusoidal current, from the field, in order to ensure stable operation regardless of the parameters of the current under test, it is composed of a ferrodynamic device that converts alternating sinusoidal current into alternating current rectangular shape to power the excitation winding of the device, and the phase rotation of the body, which regulates the moment of excitation of the specified device.

SOSO

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SU416635A 1950-04-06 1950-04-06 Device for removing pointwise non-sinusoidal current curves SU91476A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU416635A SU91476A1 (en) 1950-04-06 1950-04-06 Device for removing pointwise non-sinusoidal current curves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU416635A SU91476A1 (en) 1950-04-06 1950-04-06 Device for removing pointwise non-sinusoidal current curves

Publications (1)

Publication Number Publication Date
SU91476A1 true SU91476A1 (en) 1950-11-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU416635A SU91476A1 (en) 1950-04-06 1950-04-06 Device for removing pointwise non-sinusoidal current curves

Country Status (1)

Country Link
SU (1) SU91476A1 (en)

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