RU2012129333A - VOLUME ELECTRIC CHARGE CONTROL DEVICE AND CONSTANT TIME OF ITS RELAXATION IN THE DIELECTRIC LIQUID FLOW - Google Patents
VOLUME ELECTRIC CHARGE CONTROL DEVICE AND CONSTANT TIME OF ITS RELAXATION IN THE DIELECTRIC LIQUID FLOW Download PDFInfo
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- RU2012129333A RU2012129333A RU2012129333/28A RU2012129333A RU2012129333A RU 2012129333 A RU2012129333 A RU 2012129333A RU 2012129333/28 A RU2012129333/28 A RU 2012129333/28A RU 2012129333 A RU2012129333 A RU 2012129333A RU 2012129333 A RU2012129333 A RU 2012129333A
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- relaxation
- electrically insulated
- pipeline
- segment
- charge
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- Measurement Of Resistance Or Impedance (AREA)
- Pipeline Systems (AREA)
Abstract
Устройство контроля объемного электрического заряда и постоянной времени его релаксации в потоке диэлектрической жидко содержащее электроизолированный отрезок основного трубопровода и дополнительный отрезок трубопровода, шунтирующий основной трубопровод, размещенные в этом дополнительном отрезке электроды, один из которых заземлен, а второй подключен ко входу измерителя напряжения относительно земли, отличающееся тем, что, с целю расширения технологических возможностей устройства, оно снабжено, измерителем тока, подключенным через ключ к указанному электроизолированному отрезку основного трубопровода, а плотность объемного заряда и постоянная времени его релаксации в потоке жидкости определяются по формуламρ=CU/V и τ=CU/i,гдеρ - плотность объемного заряда;С - электрическая емкость межу указанными электродами;U - напряжение указанного второго электрода относительно земли;V - объем жидкости в указанном электроизолированном отрезке трубопровода;τ - постоянная времени релаксации объемного заряда жидкости;i - ток релаксации заряда, заключенного в электроизолированном отрезке трубопровода.A device for controlling the volumetric electric charge and the constant time of its relaxation in a fluid dielectric stream containing an electrically insulated segment of the main pipeline and an additional segment of the pipeline, shunting the main pipeline, the electrodes placed in this additional segment, one of which is grounded, and the second is connected to the input of the voltage meter relative to the ground, characterized in that, in order to expand the technological capabilities of the device, it is equipped with a current meter connected to the key to the indicated electrically insulated section of the main pipeline, and the density of the space charge and the relaxation time constant in the fluid flow are determined by the formulas ρ = CU / V and τ = CU / i, where ρ is the density of the space charge; C is the electric capacitance between the indicated electrodes; U is the voltage of the indicated second electrode relative to the earth; V is the volume of liquid in the indicated electrically insulated segment of the pipeline; τ is the relaxation time constant of the space charge of the liquid; i is the relaxation current of the charge contained in the electrically insulated pipe cut.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2012129333/28A RU2509308C1 (en) | 2012-07-11 | 2012-07-11 | Device to monitor volume electric charge and constant of time of its relaxation in flow of dielectric fluid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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RU2012129333/28A RU2509308C1 (en) | 2012-07-11 | 2012-07-11 | Device to monitor volume electric charge and constant of time of its relaxation in flow of dielectric fluid |
Publications (2)
Publication Number | Publication Date |
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RU2012129333A true RU2012129333A (en) | 2014-01-20 |
RU2509308C1 RU2509308C1 (en) | 2014-03-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2012129333/28A RU2509308C1 (en) | 2012-07-11 | 2012-07-11 | Device to monitor volume electric charge and constant of time of its relaxation in flow of dielectric fluid |
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RU (1) | RU2509308C1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113533870A (en) * | 2021-06-23 | 2021-10-22 | 国网山东省电力公司青岛供电公司 | Method and system for correcting space charge density prediction in corona cage by considering environmental factors |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3013578A (en) * | 1960-10-12 | 1961-12-19 | Pure Oil Co | Static electricity sensing and control means |
SU524130A1 (en) * | 1975-04-04 | 1976-08-05 | Предприятие П/Я В-2156 | Volumetric charge meter in the flow of petroleum products |
SU655989A1 (en) * | 1976-06-09 | 1979-04-05 | Предприятие П/Я В-2156 | Method and apparatus for determining space charge and relaxation time constant of dielectric liquid |
SU650024A1 (en) * | 1976-07-21 | 1979-02-28 | Предприятие П/Я В-2156 | Method of determining charge and electric conductivity of charged dielectric liquid |
SU818041A1 (en) * | 1978-12-25 | 1981-03-30 | Киевский Ордена Трудового Красногознамени Институт Инженеров Гражданс-Кой Авиации | Meter of space charge in dielectric liquid flow |
US6586949B1 (en) * | 1999-12-03 | 2003-07-01 | John S. Sargent | Volume charge density measuring system |
RU2196339C1 (en) * | 2001-07-27 | 2003-01-10 | Башкирский государственный университет | Set measuring charge of static electricity |
RU2452971C1 (en) * | 2010-10-07 | 2012-06-10 | Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации | Monitoring device of relaxation time constant of volumetric electrical charge in dielectric fluid flow |
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2012
- 2012-07-11 RU RU2012129333/28A patent/RU2509308C1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113533870A (en) * | 2021-06-23 | 2021-10-22 | 国网山东省电力公司青岛供电公司 | Method and system for correcting space charge density prediction in corona cage by considering environmental factors |
CN113533870B (en) * | 2021-06-23 | 2024-03-22 | 国网山东省电力公司青岛供电公司 | Prediction method and system for correcting space charge density in corona cage by considering environmental factors |
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Publication number | Publication date |
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RU2509308C1 (en) | 2014-03-10 |
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