Abstracts
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| Дата: | 2006 |
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| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Інститут технічних проблем магнетизму НАН України
2006
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| Назва видання: | Електротехніка і електромеханіка |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/142703 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Abstracts // Електротехніка і електромеханіка. — 2006. — № 2. — С. 83-85. — англ. |
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irk-123456789-1427032018-10-14T01:23:42Z Abstracts 2006 Article Abstracts // Електротехніка і електромеханіка. — 2006. — № 2. — С. 83-85. — англ. 2074-272X http://dspace.nbuv.gov.ua/handle/123456789/142703 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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2006 |
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http://dspace.nbuv.gov.ua/handle/123456789/142703 |
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Abstracts // Електротехніка і електромеханіка. — 2006. — № 2. — С. 83-85. — англ. |
| series |
Електротехніка і електромеханіка |
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2025-07-10T15:34:10Z |
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2025-07-10T15:34:10Z |
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1837274659286941696 |
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Електротехніка і Електромеханіка. 2006. №1 83
Abstracts
ELECTROENGEENIRING: Prominent events and great names
Baranov M.I. 5
Nikola Tesla and modern electrical
engineering
A brief sketch about Tesla’s remarkable
achievements in the field of electrical engineering
and about his significant role in scientific and
technological advance of the humanity is given.
Key words - history, electrical engineering,
scientific and technological advance, humanity.
Electrical Mashines and Apparatus
Golenkov G.M., Bogaenko M.V., Bondar R.P.,
Makogon S.A., Popkov V.S. 12
Mathematical simulation of a linear
induction motor operation as a vibration exciter
Problems resulting from application of various-
type windings for linear induction motor vibrators
are investigated. A mathematical model for
calculation of magnetizing forces generated by the
motors with various winding types is developed,
recommendations to their application are given.
Key words – vibration exciter, linear
induction motor, magnetizing force.
Zheleznyakov A. V., Chuvashev V. A. 15
Mathematical simulation and numerical
analysis of electromagnetic fields and transients
in submersible induction motors with a cast
copper squirrel-cage rotor winding.
Mathematical models for numerical
investigations of electromagnetic fields in the active
zone of a submersible induction motor (SIM) are
developed in the form of algorithms and computer
programs. Mutual and leakage field distribution
inside the motor and influence of the rotor
eccentricity on magnetic attraction are studied.
Recommendations for improving the SIM are
elaborated.
Key words – submersible induction motor,
electromagnetic field, mathematical model,
eccentricity, numerical investigation
Ivanov V.A., Grivin S.A., Chuvashev V.A.,
Chuvankov V.Yu. 22
Influence of a copper squirrel-cage rotor
casting technology on induction motor iron losses.
Influence of a copper squirrel-cage rotor casting
technology on magnetic properties of electric steel in
explosion-proof induction motors of up to 400 kW
has been proved experimentally. Significant decrease
in rotor core steel losses (and increase in motor
efficiency by 1.2…1.8 %) is expected for traction
induction motors of 400 kW to 1200 kW used in new
transportation facilities fed from 46-150 Hz
frequency converters.
Key words - copper squirrel-cage rotor
casting, influence, steel losses, explosion-proof
induction motor.
Kanov L.N. 32
Parameter synthesis of speed-torque
characteristics of an asynchronous motor on the
basis of a circuit simulation method
An effective numerical technique for parameter
synthesis of speed-torque characteristics of an
asynchronous motor is introduced, the technique
based on a circuit simulation method and intended
for automated choice of additional resistances in the
motor circuits over the criterion of desired and actual
characteristics proximity.
Key words – electric drive, circuit simulation,
criterion of optimality, gradient, speed-torque
characteristic.
Klementiev A.V. 30
On some features of noncontact combined
synchronous generators with an alternating rotor
winding structure
In the article, some features of design and
physical processes in a noncontact synchronous
machine with an alternating rotor winding structure
are examined.
Key words – noncontact combined
synchronous machine, excitation winding, rotor
winding, alternating structure, switching.
Konohov N.N. 32
Peculiarities of electric intensity
concentration in the windings of electrical
machines and its influence on reliability
Mechanisms of electric aging and electric
intensity concentration (EIC) in the frame insulation
of electrical machines (EMs) are revealed and
generalized. EIC action and EM fixed windings
features influence on reliability of the winding
insulation are shown. Well-known (classical)
methods and a new simple and technologic way of
local voltage surge reduction in insulation of
average- and large-scale EMs, developed by the
author, are considered.
Key words – electric intensity concentration,
electrical machine, winding insulation, reliability.
84 Електротехніка і Електромеханіка. 2006. №2
Malyar V.S., Malyar A.V. 37
A calculation technique for transient
processes in asynchronous motors of high-inertia
electric drives
A calculation technique for transient processes
in asynchronous motors which work with
mechanisms with a large moment of inertia is
proposed. The technique allows obtaining time
dependences of mode coordinates, with saturation
and current displacement in rotor keyed-bars taken
into account, on the basis of numerical integration of
an electric drive motion equation using a set of
coordinates for pre-calculated steady-state modes
that correspond to different slip values.
Key words – asynchronous motor, moment of
inertia, transient processes.
Milykh V.I., Polyakova N.V. 40
Determination of electromagnetic
parameters of electric machines based on
numerical calculations of magnetic field
A trend of electric machine design and research
improvement, namely, direct application of
numerical calculations of magnetic field, is
described. General formulation of such calculations
and examples are given. Resulting from vector
magnetic potential distributions obtained, basic
expressions for electric machine electromagnetic
parameters, such as magnetic induction, magniflux,
flux linkage and permeance, magnetic potential drop,
EMF, self- inductance and coefficient of mutual
inductance, force, moment, energy, are derived.
Key words – electric machine, magnetic field,
numerical calculation, electromagnetic
parameters, design
Parfenovich O.N., Tretiacov A. C. 47
Elements of a theory of thermal and
ventilation processes in an electric motor with
DAS–type circuit layout.
Foundations of a theory of thermal and
ventilation processes in electric motors with a DAS
circuit layout are introduced. Thermal equivalent
circuits and thermal processes calculation on their
basis are considered, generalized equivalent circuits
of the motors employed for ventilation
characteristics calculation. Also, experimental data
for ventilation and thermal calculations are given.
Key words - electric motor, theory of thermal
and ventilation processes, DAS circuit layout.
Petrenko A.N., Petrenko N.Ya. 53
Designing peculiarities for an inductor-type
tractor generator with combined excitation.
Performance characteristics improvement for
electric equipment of motor vehicles and agricultural
machinery is an urgent problem. The paper considers
problems of a permanent-motor generator rotor
designing. The generator’s magnetoelectric system
operation is analysed via an equivalent circuit of the
magnet external circuit taking into account magnetic
state of the magnet itself. To calculate an external
characteristic, the permanent magnet operating
diagram is used.
Key words - inductor-type generator,
permanent magnet, equivalent circuit, designing.
Rimsha V.V., Radimov I.N., Chan Txi Txu
Chiong. 56
Influence of stator tooth zone configuration
on electromagnetic torque and radial
electromagnetic forces in a switched reluctance
motor.
Results of comparative analysis of
electromagnetic torque and radial electromagnetic
forces for a four-phase switched reluctance motor
(SRM) with the number of poles equal to 16/12 for
various stator tooth zone configurations are
presented. It is shown that selection of the stator
tooth shape is a multicriterion problem that must be
solved with an allowance for specific character of
electrical SRM drive load.
Key words – switched reluctance motor,
electromagnetic torque, electromagnetic forces,
eccentric rotor position.
Fedorov M.M., Tkachenko A.A. 59
On the problem of fault monitoring system
designing for induction motors
The paper presents analysis of induction motor
failures. Causes of fault initiation and fault behavior
are studied. Available approaches to fault monitoring
system designing are analyzed. A current-state
monitoring system structure for induction motors is
introduced.
Key words – fault monitoring system,
induction motor, current-state monitoring,
design.
Tchaban A.V. 62
Mathematical simulation of
electromechanical oscillation processes in a
multimass system with an induction motor
The paper introduces an electromechanical
oscillation process analysis method for a multimass
system with a deep-bar induction motor drive.
Processes are described in phase coordinates.
Differential equations of the electromechanical
system are given in a normal Cauchy form. Results
of computations have been used for analysis of the
motor angular rate and elastic torques in drive
shafting coupling joints of the electric drive.
Key word - deep-bar induction motor,
multimass system, electromechanical oscillation
processes.
Електротехніка і Електромеханіка. 2006. №1 85
Electrical Engineering: Theory
Baranov M.I. 66
A simplified mathematical model of
microprocesses in a conductor with a conduction
current.
On the basis of a simplified mathematical model
developed in accordance with classical physics
principles for microprocesses in a metallic conductor
with an electric current of an arbitrary time curve, an
estimation of the most important physical
magnitudes specifying free electron drift in the
conductor material under external electric field
action is given.
Key words – mathematical model, calculation,
microprocess, conductor, electric field, electric
current.
Polovinka D.V., Nevzlin B.I., Zagirnyak M.V. 71
Analytic dependences of output voltage for a
diode-capacitance bridge under conductance
components extraction
Equivalent circuits of diode-capacitance bridges
used for extraction of active and reactive
conductance components in an instrument transducer
with a wet discrete material are introduced. Analytic
dependences of the bridge output voltage upon the
transducer parameters are obtained, which allows
determining desired moisture of the discrete
material.
Key words - equivalent circuit, diode-
capacitance bridge, analytic voltage dependence,
instrument transducer, discrete material.
High Electrical and Magnetic Field Engineering
Kravchenko V.I., Nemchenko Y.S. 76
Basic reference standard of Ukraine for
pulsed electric and magnetic fields –purpose of
the standard creation, standard requirements and
its embodiment
The article describes the purpose and results of
creating a Basic Reference Standard of Ukraine for
units of pulsed electric and magnetic field intensities
intended for measurement assurance of uninterrupted
work of the Experimental Base NIPKI "Molniya", a
national property of Ukraine. This Standard is
exclusive in Ukraine. Brief requirements as for
metrological, structural and field-performance data
of the created Standard and ideology of the Standard
creation and its structure are given in the article.
Key words – pulsed electromagnetic field,
standard, strip line.
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