Abstracts
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| Datum: | 2008 |
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| Sprache: | English |
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Інститут технічних проблем магнетизму НАН України
2008
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| Schriftenreihe: | Електротехніка і електромеханіка |
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| Zitieren: | Abstracts // Електротехніка і електромеханіка. — 2008. — № 2. — С. 78-79. — англ. |
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irk-123456789-1430322018-10-23T01:23:28Z Abstracts 2008 Article Abstracts // Електротехніка і електромеханіка. — 2008. — № 2. — С. 78-79. — англ. 2074-272X http://dspace.nbuv.gov.ua/handle/123456789/143032 en Електротехніка і електромеханіка Інститут технічних проблем магнетизму НАН України |
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Abstracts Електротехніка і електромеханіка |
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Abstracts |
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Abstracts |
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Інститут технічних проблем магнетизму НАН України |
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Abstracts // Електротехніка і електромеханіка. — 2008. — № 2. — С. 78-79. — англ. |
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Електротехніка і електромеханіка |
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2025-07-10T16:16:35Z |
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1837277334353215488 |
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78 Електротехніка і Електромеханіка. 2008. №2
Abstracts
Electrical Mashines and Apparatus
Bolyukh V.F., Markov A.M., Luchuk V.F.,
Shchukin I.S. 5
Device for computer information security
from unauthorized access on the basis of an
induction-dynamic motor
The concept of a protection device for
computer information security from unauthorized
access developed on the basis of an induction-
dynamic motor with electronic control is
introduced. The motor operation particularities
under free initial acceleration and the following
abrupt deceleration of the armature, which results
from interaction striker with computer hard disk,
are revealed. The device design is worked out, its
experimental studies and tests conducted.
Key words – computer information,
induction-dynamic motor, hard disk of the
computer, device design.
Vas’kovskiy Yu.N., Gaidenko Yu.A. 11
Relativity principle and choice of coordinate
system for electromagnetic field analysis in
electric machines
By the example of an induction squirrel-cage
motor with massive rotor bars, a problem of
optimal coordinate system for formulating and
solving active-zone electromagnetic field
equations is analyzed.
Key words – induction squirrel-cage motor,
active-zone electromagnetic field equations,
optimal coordinate system choice.
Grechko A.M., Bugajchuk V.M. 15
Studies and calculation of magnetic core
dimensions for a single-contact magnetic latch
electromagnet
Studies and calculation of linear dimensions
of the magnetic core of an electromagnetic drive
with a single-contact magnetic latch for a medium-
voltage vacuum circuit-breaker are performed.
Key words – electromagnet magnetic core,
single-contact magnetic latch, linear
dimensions, medium-voltage vacuum circuit-
breaker.
Degtev V.G., Babushanov A.V. 21
Contactless combined synchronous
generator designing
Peculiarities of contactless combined
synchronous machines are explored. Specific
problems arising during the machines designing
are described. Research that allows specifying a
technique of electromagnetic calculation of such
machines is carried out. An algorithm is
developed, and based-on-it software that allows
carrying out automated designing of synchronous
nonsalient-pole machines with a combined
magnetic system is created.
Key words – contactless combined
synchronous machines, electromagnetic
calculation, software for automated designing.
Zablodskiy N.N. Filatov M.A., Kvasov V.A.,
Grin G.M. 25
Transients in polyfunctional
electrothermal mechanical converters of
technological application
Results of experimental research into
transients of multifunctional electrothermal
mechanical converters of technological application
are given.
Key words – electrothermal mechanical
converter, technological application,
experimental research.
Krasovskiy P.Yu., Tsyplenkov D.V. 29
A protection device against electric power
thefts
An electric power theft protector preventing
intervention in quantity-meter operation is
presented.
Key words – protection device, electric
power theft, induction meters.
Kuznetsov B. I., Vasilets T.E., Varfolomeev A.A. 31
Development of a neuro-system of
guidance and stabilizing for light-armored
machines armament
A schematic diagram of an armament
guidance and stabilizing system with a
neurocontroller is developed. The model takes into
account external disturbances acting on the
armament, moments of dry friction on the engine
and operating mechanism shaft, as well as
clearance between the master and the driven gear
teeth. Considering the cinematic adapter unit
elasticity, the mechanic part is implemented as a
two-mass system. Computer simulation of the
neuro-system and the system dynamic
characteristics analysis are performed.
Key words – Neurocontroller, neuro-
system, armament guidance and stabilizing
neuro-control system.
Leljuk N.A., Lupikov V.S. 35
Research into vibration in mechanical
systems on the basis of their analogy with
electric equivalent circuits
Principles of an equivalent circuit method for
researching vibrations in a mechanical system are
considered for contacts of a switching electric
device. A parameter determination algorithm for
contact movement transient during vibration is
introduced.
Key words – switching electric device,
contacts, vibration, parameter determination.
Lushik V.D. 39
Direct current electrical machines with a
new electromagnetic excitation system
A new system of electromagnetic excitation
for direct current machines is considered. Data of
experimental research are presented.
Key words – direct current motor,
excitation, implicit-pole, stator, armature.
Електротехніка і Електромеханіка. 2008. №2 79
Mishin V.I, Kozirsky V.V., Chuenko R.N. 42
A technique for induction motor
characteristics calculation
A calculation technique for a compensated
induction motor adjusted for magnetizing contour
resistance change during the motor operation is
introduced.
Key words – induction motor, reactive
power compensation, magnetizing contour
resistance.
Moroz V.I., Harchishin B.M. 45
A numerical and analytical method of
electromechanical system analysis
The paper introduces a numerical and
analytical method of analyzing transient processes
in electromechanical systems, the method based on
approximation of a convolution integral with
nonzero entry conditions. The method advantages
are demonstrated via computer simulation of
contactless DC motor start-up transients.
Key words – electromechanical system,
transients analysis, numerical and analytical
method, contactless DC motor start-up
simulation.
Puilo G.V., Kuzmenko I.S., Tongaluk V.V. 48
State-of-the-art trends in distribution
transformers perfection
Tendencies of development of innovation
means and technical solutions as for distribution
transformers improvement are considered.
Key words – transformer, power station,
anisotropic steel, magnetic system, winding,
improvement, trends.
Stavinsky A.A., Stavinsky R.A. 53
Classification of structures and elements of
electromagnetic systems of electromechanical
and induction static converters
Variants of classification of structures and
elements of electromagnetic systems of
electromechanical and induction static converters,
as well as directions of electrical machine
improvement on the basis of spatial structures of
their active part, are introduced.
Key words – classification, structure,
generating surfaces, radial, axial, spatial core,
winding, hexahedral, improvement.
Electrical Engineering: Theory
Baranov M.I. 59
Field and circuit formulation of the
fundamental problem about transmission of
electromagnetic energy in a "metallic wire –
conducting ground" system with alternative
electric current
On the basis of classical electrodynamics and
theoretical electrical engineering, equivalence of
field and circuit formulations of an
electromagnetic energy transmission problem for a
«metallic wire – conducting ground» system with
alternative conduction current is shown. In terms
of quantum mechanics and electrodynamics, it is
explicitly shown that in the given system
electromagnetic energy is transmitted only by
electromagnetic energy flux in the insulating space
between the wire and the ground.
Key words – electromagnetic energy
transmission, field and circuit formulation,
metallic wire, conducting ground, alternative
electric current.
Pentegov I.V., Rymar S.V., Krasnozhon A.V. 64
Calculation of specific losses in
ferromagnetic materials at high frequencies
with allowance for nonlinearity of magnetic
characteristics of the environment
On the basis of WKB approximation, a
technique for calculation of specific losses in
ferromagnetic materials at high frequencies
adjusted for their magnetic characteristics
nonlinearity is improved. As an example,
dependences of reduced active resistance from
peak magnetic field strength for structural steel
No 3 are given. The technique will be useful for
specialists in the field of theoretical electrical
engineering, electrothermics, electrometallurgy,
and welding.
Key words – ferromagnetic materials,
magnetic field, specific loss calculation
technique, WKB approximation.
High Electrical and Magnetic Field Engineering
Petkov A.A. 68
Allowance for switchboard characteristics
under analysis and synthesis of discharge
circuits of high-voltage pulse test devices
In the work, problems of analysis and
synthesis of discharge circuits of high-voltage
pulse test devices are considered adjusted for
nonlinearity of switchboards. Analytical relations
taking into account a volt-second characteristic
represented by a declining exponential dependence
are presented.
Key words – high-voltage pulse test device,
discharge circuit, switchboard nonlinearity,
analysis, synthesis.
Information
Klimenko B.V. 73
IES standards and Ukrainian electrical
engineering terminology: ways to harmonization
Discussion considerations concerning ways of
national standards harmonization with
international standards are presented. Arguments
for expediency of creating terminology teaching
and reference aids based on various parts of
International Electrical Dictionary are introduced.
Key words – terminology harmonization,
international standards, terminology teaching
and reference aids, discussion.
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