RU97102239A - ECOLOGICAL METHOD FOR DETERMINING THE PROTECTION OF ELECTRICAL CIRCUITS OF INSTRUMENTS AND UNITS OF OBJECTS FROM INFLUENCE OF EXTERNAL ELECTROMAGNETIC FIELDS - Google Patents

ECOLOGICAL METHOD FOR DETERMINING THE PROTECTION OF ELECTRICAL CIRCUITS OF INSTRUMENTS AND UNITS OF OBJECTS FROM INFLUENCE OF EXTERNAL ELECTROMAGNETIC FIELDS

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Publication number
RU97102239A
RU97102239A RU97102239/28A RU97102239A RU97102239A RU 97102239 A RU97102239 A RU 97102239A RU 97102239/28 A RU97102239/28 A RU 97102239/28A RU 97102239 A RU97102239 A RU 97102239A RU 97102239 A RU97102239 A RU 97102239A
Authority
RU
Russia
Prior art keywords
receiving device
free space
emf
external
electrical
Prior art date
Application number
RU97102239/28A
Other languages
Russian (ru)
Other versions
RU2096839C1 (en
Inventor
В.В. Богомягков
Л.В. Ванчурова
А.Я. Соколов
В.П. Фролов
Original Assignee
Государственное научно-производственное предприятие "Регион"
Filing date
Publication date
Application filed by Государственное научно-производственное предприятие "Регион" filed Critical Государственное научно-производственное предприятие "Регион"
Priority to RU97102239A priority Critical patent/RU2096839C1/en
Priority claimed from RU97102239A external-priority patent/RU2096839C1/en
Priority to AU38714/97A priority patent/AU3871497A/en
Priority to PCT/RU1997/000249 priority patent/WO1998036421A1/en
Application granted granted Critical
Publication of RU2096839C1 publication Critical patent/RU2096839C1/en
Publication of RU97102239A publication Critical patent/RU97102239A/en

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Claims (3)

1. Экологичный способ определения защищенности электрических цепей приборов и агрегатов объектов от воздействия внешних электромагнитных полей (ЭМП), заключающийся в измерении параметров электрических цепей и сравнении их с нормативными значениями, отличающийся тем, что в исследуемой электрической цепи возбуждают электрический ток с частотой внешнего ЭМП, с помощью приемного устройства измеряют величину электрической составляющей напряженности ЭМП, излучаемой возбужденной электрической цепью в свободное пространство, измеряют напряжение на входе приемного устройства и определяют степень защищенности от воздействия внешних ЭМП по выражению
Figure 00000001

где М - степень защищенности от воздействия внешних ЭМП;
Ен - нормативная величина напряженности внешнего ЭМП;
U - измеряемое напряжение на входе приемного устройства;
Iн - нормативная величина допустимого значения тока электрической цепи;
Ео - измеряемая величина напряженности ЭМП, излучаемого электрической цепью в свободное пространство;
Rвх - входное сопротивление приемного устройства.1. An environmentally friendly method for determining the security of electrical circuits of devices and assemblies of objects from exposure to external electromagnetic fields (EMF), which consists in measuring the parameters of electrical circuits and comparing them with standard values, characterized in that an electric current is excited in the electrical circuit under investigation with a frequency of external EMF, using a receiving device, measure the magnitude of the electric component of the EMF intensity emitted by the excited electric circuit into the free space, measure yazhenie inlet receiving device and determining the degree of protection from external EMI from the expression
Figure 00000001

where M is the degree of protection against external EMF;
E n - the standard value of the intensity of the external EMF;
U is the measured voltage at the input of the receiving device;
I n - the standard value of the allowable current value of the electric circuit;
E about - the measured value of the intensity of the electromagnetic field emitted by the electric circuit into the free space;
R I - input impedance of the receiving device. 2. Способ по п. 1, отличающийся тем, что в свободном пространстве формируют световой поток, модулируют его по амплитуде с частотой внешнего ЭМП, подводят к исследуемой электрической цепи, преобразуют в электрическое напряжение, которое прикладывают к исследуемой цепи. 2. The method according to p. 1, characterized in that a light flux is formed in free space, modulated in amplitude with the frequency of an external electromagnetic field, brought to the electrical circuit under investigation, converted to electrical voltage, which is applied to the circuit under investigation. 3. Способ по п. 1, отличающийся тем, что в свободном пространстве формируют световой поток, последовательно изменяют его частоту во всем диапазоне различных видов излучений, причем в течение времени воздействия каждого из видов излучения перемещают приемное устройство по определенной траектории в свободном пространстве и формируют частотно-пространственную характеристику электрической составляющей, излученной исследуемой цепью. 3. The method according to p. 1, characterized in that a light flux is formed in free space, its frequency is successively changed over the entire range of different types of radiation, and during the exposure time of each of the types of radiation, the receiving device is moved along a certain path in free space and formed frequency-spatial characteristic of the electrical component emitted by the circuit under study.
RU97102239A 1997-02-17 1997-02-17 Ecology-proof method for testing protection of electric circuits of electric equipment against electromagnetic fields RU2096839C1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
RU97102239A RU2096839C1 (en) 1997-02-17 1997-02-17 Ecology-proof method for testing protection of electric circuits of electric equipment against electromagnetic fields
AU38714/97A AU3871497A (en) 1997-02-17 1997-08-05 Ecological method for determining the protection level required for electr ical circuits in devices and appliances of various installations against the e ffect ofexternal electromagnetical fields
PCT/RU1997/000249 WO1998036421A1 (en) 1997-02-17 1997-08-05 Ecological method for determining the protection level required for electrical circuits in devices and appliances of various installations against the effect of external electromagnetical fields

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU97102239A RU2096839C1 (en) 1997-02-17 1997-02-17 Ecology-proof method for testing protection of electric circuits of electric equipment against electromagnetic fields

Publications (2)

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RU2096839C1 RU2096839C1 (en) 1997-11-20
RU97102239A true RU97102239A (en) 1998-04-20

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RU97102239A RU2096839C1 (en) 1997-02-17 1997-02-17 Ecology-proof method for testing protection of electric circuits of electric equipment against electromagnetic fields

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AU (1) AU3871497A (en)
RU (1) RU2096839C1 (en)
WO (1) WO1998036421A1 (en)

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RU2541722C2 (en) * 2013-06-25 2015-02-20 Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации System of diagnostics of stability of complex of radioelectronic instruments to intentional power electromagnetic impact

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RU2593521C1 (en) * 2015-05-19 2016-08-10 Открытое акционерное общество "Лётно-исследовательский институт имени М.М. Громова" Method of testing systems comprising electroexplosive devices for resistance to action of external electromagnetic fields in objects and device therefor
RU2702453C1 (en) * 2019-01-09 2019-10-09 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") Method of evaluating resistance of microelectronic equipment to external electromagnetic action

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Cited By (1)

* Cited by examiner, † Cited by third party
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RU2541722C2 (en) * 2013-06-25 2015-02-20 Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации System of diagnostics of stability of complex of radioelectronic instruments to intentional power electromagnetic impact

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