Abstracts
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| Дата: | 2007 |
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| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Інститут технічних проблем магнетизму НАН України
2007
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| Назва видання: | Електротехніка і електромеханіка |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/142927 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Abstracts // Електротехніка і електромеханіка. — 2007. — № 5. — С. 78-79. — англ. |
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irk-123456789-1429272018-10-20T01:23:04Z Abstracts 2007 Article Abstracts // Електротехніка і електромеханіка. — 2007. — № 5. — С. 78-79. — англ. 2074-272X http://dspace.nbuv.gov.ua/handle/123456789/142927 en Електротехніка і електромеханіка Інститут технічних проблем магнетизму НАН України |
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Abstracts |
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Abstracts Електротехніка і електромеханіка |
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Abstracts |
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Abstracts |
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Abstracts |
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Abstracts |
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abstracts |
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Інститут технічних проблем магнетизму НАН України |
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2007 |
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http://dspace.nbuv.gov.ua/handle/123456789/142927 |
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Abstracts // Електротехніка і електромеханіка. — 2007. — № 5. — С. 78-79. — англ. |
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Електротехніка і електромеханіка |
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2025-07-10T16:04:16Z |
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2025-07-10T16:04:16Z |
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1837276551782072320 |
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78 Електротехніка і Електромеханіка. 2007. №5
Abstracts
Electrical Mashines and Apparatus
Baida E.I., Gaponenko G.N., Kobozev A.S. 5
Modeling of short-circuit current interrup-
tion by circuit breakers.
In the article, problems of modeling of short-
circuit current interruption in a three-phase electric
circuit by a current-limiting automatic circuit
breaker are considered by means of a mathematical
model developed on the basis of theoretical and
experimental research. It allows modelling electric
circuit opening, calculate values of Joule integral
adjusted for voltaic arc quenching time, determin-
ing breaker opening time and significantly decreas-
ing volume of full-scale experiments.
Key words – short-circuit current interrup-
tion, three-phase electric circuit, modeling.
Golenkov G.M., Veremeenko A.V. 9
Optimization with help of finite element
method parameters of the linear asynchronous
motor with current layer on the runner.
The design of the switch device which is
driven by the coaxial-linear asynchronous electric
motor with the combined winding on the armature
is considered by the finite element method and
parameters of the motor is optimized.
Key words – switch device, coaxial-linear
asynchronous motor, finite element method.
Gurevich V.I. 12
A Problem of Power Supply of Microproc-
essor-Based Protective Relays at Emergency
Mode.
The paper discusses a problem of power sup-
ply for microprocessor-based protective relays in a
substation with AC and DC auxiliary voltage in an
emergency mode. The paper recommends applica-
tion of power capacitors and supercapacitors in-
stead of UPS as energy storage elements for short-
time duration feeding of protective relays in emer-
gency modes.
Key words – protective relaying, relays, mi-
croprocessors, power capacitor, supercapacitor.
Klimenko B.V. 16
International Electrical Vocabulary –
Ukrainian prospects.
Publication of selected translation from sec-
tion 441 - Switchgear, controlgear and fuses – of
International Electrical Dictionary (IED) into
Ukrainian continues. The Ukrainian for section
441-17 – Characteristic quantities of switchgear,
controlgear and fuses is introduced.
Key words – International Electrical Dic-
tionary, section 441-17 – Characteristic quanti-
ties of switchgear, controlgear and fuses, terms
and definitions, translation into Ukrainian.
Makogon S.A. 21
The three-level control system of the vibra-
tory driver with the linear vibration exciter.
Use of the linear vibration exciter for the vi-
bratory driver is offered, control process of vibra-
tory pile sinking is examined and a three-level
system of its automation is offered. The perform-
ance of each level is given depending on presence
of the information on a system, the field of use is
described. The practical realization of the lower
level of automation is given.
Key words – vibratory driver, linear motor,
control system, automation.
Panacenko M.V., Panacenko N.M.,
Khvorost V.Yu. 24
Energy-saving high-current high-voltage
keys and phase modules on their basis.
A hybrid structure of a high-current high-
voltage two-quadrant alternating-current key is con-
sidered in terms of realization of positive properties
of asymmetric dual-operational thyristers and bipolar
insulated-gate transistors so as to reduce power loss
in the keys. A scheme of a phase module with uni-
form switching nodes based on the hybrid keys with
reduced dynamic power loss is given.
Key words – high-current high-voltage key,
phase module, power loss reduction.
Pavlenko T.P. 30
Amorphous alloys and feasibility of their
application in semiconductor release blocks of
automated switches.
In the work, the basic properties of amor-
phous alloys and feasibility of their application in
different fields of engineering are considered. Tak-
ing into account features of new soft magnetic
materials, there is a necessity of their application
in magnetic cores of low-voltage apparatus ele-
ments, namely, in semiconductor release blocks of
VA circuit breakers.
Key words – amorphous alloys, soft mag-
netic material application, semiconductor re-
lease block, circuit breakers.
Electrical Engineering: Theory
Bondar O.I. 34
Electromagnetic processes in a nonlinear
electrochemical circuit with three reactive ele-
ments under pulse input voltage influence.
In the article, a refined mathematical model of
a metal plating electrolyzer which takes into ac-
count cathode and anode capacitance and electro-
lyte inductance is introduced. Time dependences
of electrical quantities that are figures of quantita-
tive growth and quality of metal coating are ob-
tained. Results of experimental validation of the
developed model adequacy are given.
Електротехніка і Електромеханіка. 2007. №5 79
Key words – pulse electrolysis, mathematical
modeling, numeric solution, cathode processes.
Gorkunov B.M. 37
A comparative analysis of metrological
performance of peak-phase eddy-current test-
ing methods for ferromagnetic materials.
The paper considers some methods of joint
noncontact testing of magnetic conductivity and
specific resistance of ferromagnetic products via
eddy-current transformers. The basic mathematical
relations for the testing sensitivity and error calcu-
lation are obtained. A comparative analysis of
eddy-current transformers operation through met-
rological performance is conducted to result in
determining rational operating modes of the eddy-
current transformer, recommendations as for the
transformer utilization in specified requirements
for industrial quality control are given.
Key words – eddy-current transformer,
magnetic conductivity, specific resistance, sensi-
tivity, error.
Pantelyat M.G , Shulzhenko N.G. 42
Utilization of magnetic vector potential in
FEM analysis of transient 3D electromagnetic
fields in conducting media.
A survey and comparative analysis of the
main formulations for transient 3D electromag-
netic field calculations with a finite element
method are presented. The considered formulations
are based on utilization of magnetic vector poten-
tial and other potentials of electromagnetic field.
Advantages and disadvantages of various formula-
tions are analyzed. Criteria for choice of formula-
tions for FEM analysis of transient 3D electro-
magnetic fields in various electrical and power
equipment are introduced. The authors’ opinion on
correct choice of formulations for developing ef-
fective software applications on their basis is
given.
Key words – transient 3D electromagnetic
fields, magnetic vector potential, finite element
method, formulation.
High Electrical and Magnetic Field Engineering
Baranov M.I. 48
Retrospective review, state-of-the-art and
perspective development of investigations in the
field of creating electric installations with
high-power electric and magnetic energy
accumulators.
Brief information from the history of inven-
tion of electricity sources and accumulators are
presented, some results of domestic and foreign
retrospective, current and perspective investiga-
tions on creation and utilization, for scientific and
technological purposes, of high-voltage electro-
physical installations with high-power electric and
magnetic energy accumulators given.
Key words – history, investigation, high-
voltage electrophysical installations, high-power
electric and magnetic energy accumulators.
Besprozvannykh A.V. 61
Comparative analysis of the transverse
structure of unfilled and filled telephone cables
based on capacity and dielectric dissipation
measurement results.
Results of electric capacity and dielectric dis-
sipation measurements for unfilled and hydropho-
bic-jelly-filled telephone cables with polyethylene
insulation are analyzed. It is revealed that filling of
the core results in 10 % increase in mutual capaci-
tance of pairs. Hydrophobic filling is non-
uniformly distributed in the transverse structure of
a cable, which is proved by greater spread of di-
electric dissipation in the filled cables.
Key words – direct measurements, mutual
capacitance, partial capacities, dielectric dissi-
pation, hydrophobic filling.
Bondina N.N., Kramchanin E.G., Lyutenko L.A.,
Mikhailov V.M. 66
Electrodynamic forces acting on a cylindri-
cal shell under oscillating discharge of a mag-
netic pulse forming machine.
A pulse magnetic field and electrodynamics
forces that act on a thin cylindrical shell placed in
a coil are analyzed with similarity criterions. A
first-approximation mathematical model and a new
similarity criterion are utilized, the criterion values
specified for efficient magnetic pulse compression
and expansion of the shell.
Key words – thin cylindrical shell, pulse
magnetic field, magnetic pulse compression and
expansion, mathematical model, similarity cri-
terions.
Brzhezitsky V.A., Masluchenko I.N., Trot-
senko E.A. 71
To calculation of electric field of a gas-
filled bushing.
Known empirical formulas are corrected for
more precise determination of maximal electric
field intensity on a conductor electrode of a high-
voltage gas-filled bushing.
Key words – gas-filled bushing, electric field
calculation, empirical formula correction.
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