Monitoring the capacitor charge voltage in the pulse voltage generator using the accelerator of relativistic electron beams
Noise-protected high charge voltage meter was manufactured using terminal capacitors of the four-channel pulse voltage generator (PVG). The noise protection is provided by the use of communication lines with fiberoptic cables. This measuring device is successfully used for the relativistic electron...
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| Опубліковано в: : | Вопросы атомной науки и техники |
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Національний науковий центр «Харківський фізико-технічний інститут» НАН України
2020
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| Цитувати: | Monitoring the capacitor charge voltage in the pulse voltage generator using the accelerator of relativistic electron beams / A.B. Batrakov, E.G. Glushko, A.A. Zinchenko, Y.F. Lonin, A.G. Ponomarev, S.I. Fedotov // Problems of atomic science and tecnology. — 2020. — № 3. — С. 33-35. — Бібліогр.: 5 назв. — англ. |
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Batrakov, A.B. Glushko, E.G. Zinchenko, A.A. Lonin, Y.F. Ponomarev, A.G. Fedotov, S.I. 2023-11-26T18:54:38Z 2023-11-26T18:54:38Z 2020 Monitoring the capacitor charge voltage in the pulse voltage generator using the accelerator of relativistic electron beams / A.B. Batrakov, E.G. Glushko, A.A. Zinchenko, Y.F. Lonin, A.G. Ponomarev, S.I. Fedotov // Problems of atomic science and tecnology. — 2020. — № 3. — С. 33-35. — Бібліогр.: 5 назв. — англ. 1562-6016 PACS: 29.20.-c; 29.90. +r https://nasplib.isofts.kiev.ua/handle/123456789/194495 Noise-protected high charge voltage meter was manufactured using terminal capacitors of the four-channel pulse voltage generator (PVG). The noise protection is provided by the use of communication lines with fiberoptic cables. This measuring device is successfully used for the relativistic electron beam (REB) accelerator “Temp-B” and it provides the measurement accuracy of ~ 0.5% in the electromagnetic noise environment. Виготовлений перешкодозахищений вимірювач високої зарядної напруги на кінцевих конденсаторах чотириканального генератора імпульсної напруги (ГІН). Перешкодозахищеність забезпечується застосуванням ліній зв'язку з використанням оптоволоконного кабеля. Даний вимірювач успішно використовується на прискорювачі РЕП «Темп-Б» і забезпечує точність вимірювання ~ 0,5% в умовах сильних електромагнітних перешкод. Изготовлен помехозащищенный измеритель высокого зарядного напряжения на оконечных конденсаторах четырехканального генератора импульсного напряжения (ГИН). Помехозащищённость обеспечивается применением линий связи с использованием оптоволоконного кабеля. Данный измеритель успешно применяется на ускорителе РЭП «Темп-Б» и обеспечивает точность измерения ~ 0,5% в условиях сильных электромагнитных помех. en Національний науковий центр «Харківський фізико-технічний інститут» НАН України Вопросы атомной науки и техники Theory and technology of particle acceleration Monitoring the capacitor charge voltage in the pulse voltage generator using the accelerator of relativistic electron beams Контроль напруги заряду конденсаторів у генераторі імпульсної напруги на прискорювачі РЕП Контроль напряжения заряда конденсаторов в генераторе импульсного напряжения на ускорителе РЭП Article published earlier |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| title |
Monitoring the capacitor charge voltage in the pulse voltage generator using the accelerator of relativistic electron beams |
| spellingShingle |
Monitoring the capacitor charge voltage in the pulse voltage generator using the accelerator of relativistic electron beams Batrakov, A.B. Glushko, E.G. Zinchenko, A.A. Lonin, Y.F. Ponomarev, A.G. Fedotov, S.I. Theory and technology of particle acceleration |
| title_short |
Monitoring the capacitor charge voltage in the pulse voltage generator using the accelerator of relativistic electron beams |
| title_full |
Monitoring the capacitor charge voltage in the pulse voltage generator using the accelerator of relativistic electron beams |
| title_fullStr |
Monitoring the capacitor charge voltage in the pulse voltage generator using the accelerator of relativistic electron beams |
| title_full_unstemmed |
Monitoring the capacitor charge voltage in the pulse voltage generator using the accelerator of relativistic electron beams |
| title_sort |
monitoring the capacitor charge voltage in the pulse voltage generator using the accelerator of relativistic electron beams |
| author |
Batrakov, A.B. Glushko, E.G. Zinchenko, A.A. Lonin, Y.F. Ponomarev, A.G. Fedotov, S.I. |
| author_facet |
Batrakov, A.B. Glushko, E.G. Zinchenko, A.A. Lonin, Y.F. Ponomarev, A.G. Fedotov, S.I. |
| topic |
Theory and technology of particle acceleration |
| topic_facet |
Theory and technology of particle acceleration |
| publishDate |
2020 |
| language |
English |
| container_title |
Вопросы атомной науки и техники |
| publisher |
Національний науковий центр «Харківський фізико-технічний інститут» НАН України |
| format |
Article |
| title_alt |
Контроль напруги заряду конденсаторів у генераторі імпульсної напруги на прискорювачі РЕП Контроль напряжения заряда конденсаторов в генераторе импульсного напряжения на ускорителе РЭП |
| description |
Noise-protected high charge voltage meter was manufactured using terminal capacitors of the four-channel pulse voltage generator (PVG). The noise protection is provided by the use of communication lines with fiberoptic cables. This measuring device is successfully used for the relativistic electron beam (REB) accelerator “Temp-B” and it provides the measurement accuracy of ~ 0.5% in the electromagnetic noise environment.
Виготовлений перешкодозахищений вимірювач високої зарядної напруги на кінцевих конденсаторах чотириканального генератора імпульсної напруги (ГІН). Перешкодозахищеність забезпечується застосуванням ліній зв'язку з використанням оптоволоконного кабеля. Даний вимірювач успішно використовується на прискорювачі РЕП «Темп-Б» і забезпечує точність вимірювання ~ 0,5% в умовах сильних електромагнітних перешкод.
Изготовлен помехозащищенный измеритель высокого зарядного напряжения на оконечных конденсаторах четырехканального генератора импульсного напряжения (ГИН). Помехозащищённость обеспечивается применением линий связи с использованием оптоволоконного кабеля. Данный измеритель успешно применяется на ускорителе РЭП «Темп-Б» и обеспечивает точность измерения ~ 0,5% в условиях сильных электромагнитных помех.
|
| issn |
1562-6016 |
| url |
https://nasplib.isofts.kiev.ua/handle/123456789/194495 |
| citation_txt |
Monitoring the capacitor charge voltage in the pulse voltage generator using the accelerator of relativistic electron beams / A.B. Batrakov, E.G. Glushko, A.A. Zinchenko, Y.F. Lonin, A.G. Ponomarev, S.I. Fedotov // Problems of atomic science and tecnology. — 2020. — № 3. — С. 33-35. — Бібліогр.: 5 назв. — англ. |
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2025-11-25T16:34:41Z |
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| fulltext |
ISSN 1562-6016. ВАНТ. 2020. №3(127) 33
MONITORING THE CAPACITOR CHARGE VOLTAGE
IN THE PULSE VOLTAGE GENERATOR USING THE ACCELERATOR
OF RELATIVISTIC ELECTRON BEAMS
A.B. Batrakov, E.G. Glushko, A.A. Zinchenko, Y.F. Lonin, A.G. Ponomarev, S.I. Fedotov
National Science Center “Kharkov Institute of Physics and Technology”, Kharkiv, Ukraine
E-mail: batrakov@kipt.kharkov.ua
Noise-protected high charge voltage meter was manufactured using terminal capacitors of the four-channel
pulse voltage generator (PVG). The noise protection is provided by the use of communication lines with fiberoptic
cables. This measuring device is successfully used for the relativistic electron beam (REB) accelerator “Temp-B”
and it provides the measurement accuracy of ~ 0.5% in the electromagnetic noise environment.
PACS: 29.20.-c; 29.90. +r
INTRODUCTION
The available method of charging the high-voltage
capacitors of pulse voltage generators monitoring the
input charge voltage fails to provide reliable PVG charge-
related information due to voltage losses at accelerator
structure elements. The operation of “Temp-B” accelera-
tor showed the need for the control of the charge voltage
of capacitors used by PVGs. The voltage control at the
terminal capacitors of four-channel PVG allows us to
monitor the charging process and obtain identical
charge voltage for each PVG channel.
VOLTAGE MEASUREMENT
DESCRIPTION
Experimental investigations of the parameters of
hard braking X-ray radiation using “Temp-B” accelera-
tor as a reactor zone simulation device require control-
ling a high charge direct voltage of PVG capacitors.
These modes of operation of the “Temp-B” accelerator
require the generation of high-current beams with the
current of tens of kA and the particle energy of ~ MeV
[1]. Such parameters can be obtained using the four-
channel PVG. The PVG stored energy for the charge
voltage of 100 kV was 150 kJ. PVG channels were
commutated using three-electrode dischargers filled
with nitrogen under the pressure of 5∙105 Pa. These dis-
chargers have the best indices as for the scattering value
and the actuation time in comparison with other struc-
tures. The casings of dischargers were made of capro-
lon. Using hermetically sealed flange connections the
dischargers were assembled in series forming the mon-
oblock with the optical connection of discharge gaps to
improve the mutual irradiation triggering. Each channel
includes 19 high-voltage capacitors, charging resis-
tances and appropriate dischargers. The charging resis-
tances were made of the sections of vinyl tubes filled
with the NaCl water solution. Fig. 1 shows the external
view of PVG.
During the capacitor charging the inconsistency of
the values of charge resistances was revealed due to the
change in the temperature and chemical purity of the
solution. It results in different charge time of PVG
channels. The measuring of the charge voltage of termi-
nal capacitors of each channel allows us to control the
charge process. A high direct voltage is usually meas-
ured using the high-ohmic divider that was designed to
meet the requirements set to high-voltage equipment.
Fig. 1. Pulse voltage generator
The operation of “Temp-B” accelerator is related to
the availability of high quick-changing currents and
high voltage surges. It results in the formation of elec-
tromagnetic fields near the test rig and these fields can
create interferences in measurement devices that con-
siderably exceed the measured signal [2]. Therefore, the
measuring devices are placed at a certain distance from
the accelerator and are kept inside the screening casings.
Availability of large alternate magnetic fields creates a
big problem for communication lines consisting of
screened coaxial cables due to the “earthing loops”. A
change in the magnetic field can induce high voltages in
such loops. The use of optic cable as a communication
line allows us to considerably improve noise-protection
and safety of the personnel working in the high-voltage
environment.
Fig. 2 gives the block-diagram of the device de-
signed for the PVG charge voltage control.
The measurement control diagram is as follows. The
modules 1-1…1-4 are the relaxation generators of the
converters of capacitor charge voltage into the succes-
sion of light pulses whose recurrence frequency is in
proportion to this voltage. Then, the signals are trans-
mitted through the fiberoptic linear cable 2-1…2-4 to
the converting receivers of light pulses 3-1…3-4 and are
converted into the electric signal compatible with the
receiver input of the digital data transfer system 4
(DDTS). In is intended for the conversion of parallel
data formats into the sequential data format, their trans-
fer via the fiberoptic cable and the conversion of the
sequential data format back to the parallel one. The in-
formation recording mode is realized via 19 inputs with
ISSN 1562-6016. ВАНТ. 2020. №3(127) 34
the time period of 5 s. In the transmitting part of
DDTS the digital data succession with varying fre-
quency is transmitted through the fiberoptic cable 5 to
the receiving part of the digital data transfer system 6.
Then, the information is transmitted to the voltage indi-
cators 7-1…7-4.
Fig. 2. Block diagram of the device designed
for the PVG charge voltage control: 1-1…1-4 capacitor
charge voltage-to-frequency converters; 2-1…2-4 optic
cables of 6 m long; 3-1…3-4 receiving converters
of light pulses; 4 transmission part of the digital data
transfer system; 5 optical cable of 100 m long;
6 receiving part of the digital data transfer system;
7-1…7-4 voltage indicators
Fig. 3 shows the high voltage meter diagram.
Fig. 3. High voltage meter diagram
High voltage meter is based on the relaxation tran-
sistor-type generator [3] that enables easy voltage-to-
pulse recurrence frequency transformation. This circuit
allows for the accurate conversion of the order of tenth
percent fractions. A stable operation of the circuit is
achieved due to the automatic stabilization of the differ-
ence of threshold voltages [4].
To generate the rectangular current pulse passing
through the light diode we use the storage LC-line that
allows us to obtain current pulses of ~ 500 мА with the
duration of ~ 3 s [5].
The light signal receiver was made using photo-
diode and special-purpose microcircuit 1054 XA3 that
shapes a standard rectangular pulse. Fig. 4 gives the
output pulse oscillogram. This pulse is transmitted to
the receiver input of the digital data transfer system.
This circuit allows us to measure capacitor voltages up
to 90 kV. The voltage-to-pulse recurrence frequency
conversion accuracy was of ~ 0.5%.
Fig. 4. Oscillogram of signal transmitter and light pulse
receiver. Beam 1 the current passing through the light
diode; Beam 2 output pulse after the converting
receiver of light pulses
A charge voltage value of the capacitors of pulse volt-
age generator is defined by the frequency of transmitted
pulses. The frequency in the range of 170 Hz to 1.7 kHz
corresponds to the capacitor voltage of 9 to 90 kV.
CONCLUSIONS
1. A high voltage meter was developed to measure
the charge voltage of PVG capacitors using the micro-
second accelerator “Temp-B” that allows us to control
the capacitor charge voltage in each PVG channel. The
measurement error is within ~ 0.5%.
2. The signal transmission device circuit was devel-
oped to transmit the signal through the digital line with
the varying pulse recurrence frequency.
3. The developed technique allows for the control of
the charge of PVG capacitors at a distance of 100 m
from the object.
REFERENCES
1. A.B. Batrakov, S.P. Bondarenko, A.G. Lonin,
A.G. Ponomarev, G.V. Sotnikov. Optimizing the pa-
rameters of Relativistic Electron Beams to Generate
Intense Slowing-down R-Radiation // Problems of
Atomic Science and Technology. Series “Plasma
Electronics and New Methods of Acceleration”.
2010, № 4, p. 21-24.
2. A.B. Batrakov, E.G. Glushko, E.G. Yegorov,
A.A. Zinchenko, Y.F. Lonin, A.G. Ponomarev,
S.I. Fedotov. Diagnostic module for the radiation
beam system “Temp” // Problems of Atomic Science
and Technology. Series “Plasma Physics”. 2017,
№ 1, p. 112-114.
3. V.P. Diakonov. Avalanche Transistors and the Use
of Them for Pulse Devices. M.: “Sov. Radio”, 1973.
4. E.P. Bochkar, A.I. Zakharov, A.P. Sokolov // PTE.
1986, № 1, p. 204.
5. G.A. Mesiats. Generation of High-Power Nanosec-
ond Pulses. M.: “Sov. Radio”, 1974.
Article received 25.01.2020
ISSN 1562-6016. ВАНТ. 2020. №3(127) 35
КОНТРОЛЬ НАПРЯЖЕНИЯ ЗАРЯДА КОНДЕНСАТОРОВ В ГЕНЕРАТОРЕ
ИМПУЛЬСНОГО НАПРЯЖЕНИЯ НА УСКОРИТЕЛЕ РЭП
А.Б. Батраков, Е.Г. Глушко, А.А. Зинченко, Ю.Ф. Лонин, А.Г. Пономарев, С.И. Федотов
Изготовлен помехозащищенный измеритель высокого зарядного напряжения на оконечных конденсато-
рах четырехканального генератора импульсного напряжения (ГИН). Помехозащищённость обеспечивается
применением линий связи с использованием оптоволоконного кабеля. Данный измеритель успешно приме-
няется на ускорителе РЭП «Темп-Б» и обеспечивает точность измерения ~ 0,5% в условиях сильных элек-
тромагнитных помех.
КОНТРОЛЬ НАПРУГИ ЗАРЯДУ КОНДЕНСАТОРІВ У ГЕНЕРАТОРІ
ІМПУЛЬСНОЇ НАПРУГИ НА ПРИСКОРЮВАЧІ РЕП
О.Б. Батраков, Є.Г. Глушко, А.О. Зінченко, Ю.Ф. Лонін, О.Г. Пономарьов, С.І. Федотов
Виготовлений перешкодозахищений вимірювач високої зарядної напруги на кінцевих конденсаторах чо-
тириканального генератора імпульсної напруги (ГІН). Перешкодозахищеність забезпечується застосуванням
ліній зв'язку з використанням оптоволоконного кабеля. Даний вимірювач успішно використовується на при-
скорювачі РЕП «Темп-Б» і забезпечує точність вимірювання ~ 0,5% в умовах сильних електромагнітних
перешкод.
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