RU2013104061A

RU2013104061A - HIGH VOLTAGE VOLTAGE DIVIDER

Info

Publication number: RU2013104061A
Application number: RU2013104061/28A
Authority: RU
Inventors: Валерий Григорьевич Недорезов; Александр Павлович Воронов; Галина Анатольевна Солодимова; Альбина Александровна Большакова
Original assignee: Открытое акционерное общество "Научно-исследовательский институт электронно-механических приборов"
Priority date: 2013-01-30
Filing date: 2013-01-30
Publication date: 2014-08-10
Also published as: RU2529597C1

Abstract

Высоковольтный делитель напряжений, содержащий высоковольтный и заземленный электроды, закрепленные на торцах изоляционного цилиндра, и расположенные между ними последовательно соединенные блоки, отличающийся тем, что:R-C-r блоки высоковольтного плеча расположены по цилиндрической винтовой линии шаг которой равен s=(H×n)/N (где N - число R-C-r блоков в высоковольтном плече; Н - высота рабочего пространства высоковольтного плеча; n - число блоков в витке спирали), причем каждый i-блок находится над (i-n)-блоком (где i - номер блока), обеспечивающим необходимые габариты и высокий входной импеданс делителя при измерениях напряжений постоянного, переменного и импульсного токов;- тарельчатые электроды с отверстиями в центрах, установленные по краям печатных плат и с зазорами между электродами и цилиндрическим корпусом t=0.8-1 мм, обеспечивающими выравнивание электрического поля в торцах спирали;- соединение плат в виде прямой призмы, точки соединения которых расположены по краям платы и смещены относительно узкой стороны платы, принятой за базу, на (k-1)×(L/n)×tgα и k×(L/n)×tgα (где k - порядковый номер плат, выбираемый из ряда 1, 2, …, n, α - угол наклона оси блока к базе, L - длина периметра вписанного многоугольника с числом сторон n), с шагом равным шагу спирали, обеспечивающим уменьшение габаритных размеров делителя;- внутреннее пространство цилиндрического корпуса, свободное от элементов конструкции, заполнено сыпучим диэлектриком с размером частиц (100-600) мкм, положение которого в корпусе фиксируется с помощью эпоксидного компаунда и который обеспечивает необходимую электрическую прочность, защиту от разбрызгивания металла при возникн�A high-voltage voltage divider containing high-voltage and grounded electrodes mounted on the ends of the insulating cylinder and series-connected blocks located between them, characterized in that: RCr blocks of the high-voltage arm are arranged along a cylindrical helix whose step is s = (H × n) / N (where N is the number of RCr blocks in the high voltage arm; H is the height of the working space of the high voltage arm; n is the number of blocks in the spiral coil), and each i-block is located above the (in) block (where i is the block number), providing measurable dimensions and high input impedance of the divider when measuring DC, AC and pulse current voltages; - plate electrodes with holes in the centers, installed along the edges of the printed circuit boards and with gaps between the electrodes and the cylindrical body t = 0.8-1 mm, ensuring equalization of the electric field in the ends of the spiral; - connection of boards in the form of a direct prism, the connection points of which are located at the edges of the board and are displaced relative to the narrow side of the board taken as the base, by (k-1) × (L / n) × tgα and k × (L / n ) × tgα (where k is the serial number boards selected from a number of 1, 2, ..., n, α is the angle of inclination of the axis of the block to the base, L is the length of the perimeter of the inscribed polygon with the number of sides n), with a step equal to the spiral pitch, which reduces the overall dimensions of the divider; - the inner space of the cylindrical the housing, free from structural elements, is filled with a free-flowing dielectric with a particle size (100-600) microns, the position of which in the housing is fixed using an epoxy compound and which provides the necessary electric strength, protection against metal spatter when

Claims

A high voltage voltage divider comprising high voltage and grounded electrodes fixed to the ends of the insulating cylinder and sequentially connected blocks located between them, characterized in that:

The RCr blocks of the high-voltage arm are arranged along a cylindrical helix whose step is s = (H × n) / N (where N is the number of RCr blocks in the high-voltage arm; H is the height of the working space of the high-voltage arm; n is the number of blocks in the spiral coil), and each i-block is located above the (in) -block (where i is the block number), providing the necessary dimensions and high input impedance of the divider when measuring DC, AC and pulse current voltages;

- plate electrodes with holes in the centers, mounted on the edges of the printed circuit boards and with gaps between the electrodes and the cylindrical body t = 0.8-1 mm, ensuring alignment of the electric field at the ends of the spiral;

- connection of boards in the form of a direct prism, the connection points of which are located at the edges of the board and are displaced relative to the narrow side of the board taken as the base, by (k-1) × (L / n) × tgα and k × (L / n) × tgα (where k is the serial number of boards selected from a number of 1, 2, ..., n, α is the angle of inclination of the axis of the block to the base, L is the length of the perimeter of the inscribed polygon with the number of sides n), with a step equal to the spiral pitch, which reduces the overall dimensions divider

- the inner space of the cylindrical body, free from structural elements, is filled with a free-flowing dielectric with a particle size (100-600) microns, the position of which in the body is fixed with an epoxy compound and which provides the necessary electric strength, protection against metal splashing in the event of arc discharges and eliminates movement of structural elements under mechanical stress on the divider.