Abstracts
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| Datum: | 2006 |
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| Sprache: | English |
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Інститут технічних проблем магнетизму НАН України
2006
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| Schriftenreihe: | Електротехніка і електромеханіка |
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| Zitieren: | Abstracts // Електротехніка і електромеханіка. — 2006. — № 5. — С. 78-79. — англ. |
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irk-123456789-1427662018-10-16T01:23:13Z Abstracts 2006 Article Abstracts // Електротехніка і електромеханіка. — 2006. — № 5. — С. 78-79. — англ. 2074-272X http://dspace.nbuv.gov.ua/handle/123456789/142766 en Електротехніка і електромеханіка Інститут технічних проблем магнетизму НАН України |
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Abstracts Електротехніка і електромеханіка |
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Інститут технічних проблем магнетизму НАН України |
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Abstracts // Електротехніка і електромеханіка. — 2006. — № 5. — С. 78-79. — англ. |
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Електротехніка і електромеханіка |
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2025-07-10T15:42:50Z |
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78 Електротехніка і Електромеханіка. 2006. №5
Abstracts
ELECTROENGEENIRING: Prominent events and great names
Baranov M.I. 5
Retrospective review of research in the
field of artificial and atmospheric electricity
and lightning protection of technical objects
This is a short scientific-historical essay about
initial stage of mankind’s study of magnetic and
electric phenomena; about Franklin, Rihman and
Lomonosov as founders of technical objects’ protec-
tion from electric charges of atmospheric electricity
(lightnings) and outstanding figures of world physi-
cal science; as well as about problematic questions
of lightning protection of such objects in modern
conditions of technosphere development.
Key words – scientific-historical essay, arti-
ficial and atmospheric electricity, lightning pro-
tection, technical object.
Electrical Mashines and Apparatus
Bolyukh V.F. 14
Ways of Improvement of Electromechani-
cal Linear Impulse Converters
Ways and directions of increasing efficiency
for electromechanical linear impulse converters are
analyzed to result from design improvement, liquid-
nitrogen cooling, optimal parameter synthesis, op-
timal active elements configuration and application
of multi-stage converters with progressive switching
of inductor stages. Classification of these converters
about design features is introduced.
Key words – electromechanical linear im-
pulse converters, efficiency, improvement
Galinovski A.M., Lenskaya E.A., Erchard
Eichhofer 22
Research on electric machine valve con-
verters with a limited number of fully-
controlled valves
A model of a three-phase/three-phase valve
frequency converter is studied under the valves’
protective circuit parameters change, the converter
based on three diode rectifier bridges that are
short-circuited by three fully-controllable switches.
It is shown that this converter cannot be used in
the excitation system of a noncontact asynchro-
nous machine because of high commutation over-
voltage and losses in the converter
Key words – three-phase/three-phase fre-
quency converter, controllable protective cir-
cuit parameters change, study.
Grechko M.V., Dyachenko V.V. 30
On design parameter optimization of
automobile inductor generators
The paper considers questions that are neces-
sary to take into account when designing inductor
generators for automobile transport.
Key words – inductor generators, designing,
parameter optimization, automobile transport.
Gul V.I., Nigevsky V.I., Nigevsky I.V. 33
Electric descriptions of two-tier equipotential
grounder made from single horizontal electrodes
Results of research into further development
of calculation methods for electric characteristics
of grounding devices are given. It is shown that
these characteristics are obtained for homogeneous
and heterogeneous structure of soil. A generalized
mathematical definition for resistance to spreading
and potential at any point of soil half-space is in-
troduced. Calculation formulas for electric charac-
teristics of a two-tier equipotential grounder are
obtained.
Key words – calculation method, electric
characteristics, two-tier equipotential grounder
Kapinos V.M., Navrotsky V.V., Smorodskaya I.V. 36
Thermal calculation of a tape-type electri-
cal air heater
Thermal calculation of an electrical heater
with a steel tape inside a rectangular channel and
symmetrical air flow is presented.
Key words – thermal calculation, electrical
air heater, steel tape.
Pavlenko T.P. 39
Charged particle displacement mechanism
in the crystal lattice of a contact composite
The paper considers physical processes in a
crystal lattice that affect charged particle dis-
placement mechanism and contact material com-
posites properties. The considered mechanism re-
veals reasons for atom shocks and their displace-
ment within a lattice vacancy and internodes and
specifies action of diffusion and self-diffusion.
Key words – charged particle displacement
mechanism, crystal lattice, contact material
composites.
Cebko V.V. 42
About influence of dominating impurity on
electromagnetic parameters of a cylindrical
product
Influence of a dominating impurity of carbon
in steel А-20 on values of magnetic permeability
mr and specific electric conductivity s of the cylin-
drical product made of steel А-20 is considered. It
is shown that increase from 0,1 % up to 5,5 % of
carbon leads to reduction of mr and s approxi-
mately by 40 % and 31 %, accordingly.
Key words – magnetic permeability, impu-
rity, specific electric conductivity, converter
Sebko V.P., Filonenko D V., Nozdrachova K.L. 44
Calculation of expected values of signal
components of a three–parameter electromag-
netic converter
Calculation of a two-frequency contact elec-
tromagnetic converter is made on the basis of de-
rivative extremum of normalized internal induc-
Електротехніка і Електромеханіка. 2006. №5 79
tance of a rectilinear core. An algorithm of joint
determination of two values of resistance and in-
ductance corresponding to frequencies of magnetic
current change at the extremum and at any other
frequency is introduced.
Key words – magnetic current, frequency,
electromagnetic converter, resistance, inductance.
Fomin V.I. 46
Influence of number of sequential isth-
muses on protective characteristics of fast fuses
The paper analyzes influence of number of
sequential isthmuses of a silver fuse element on
protective characteristics of fast fuses.
Key words – fast fuse, isthmus number,
protective characteristics
Electrical Engineering: Theory
Baranov M.I. 48
Electrodynamic development of Bohr’s
quantum atom theory
Results of theoretical investigations of micro-
electromechanical processes inside the simplest
atom of the matter – the hydrogen atom - are pre-
sented from the point of view of classical and
quantum electrodynamics on the basis of Bohr’s
atom theory. The results allow a new view on elec-
trophysical mechanism of in-atom quantum effects
in the matter.
Key words – matter, hydrogen atom, Bohr’s
theory, microelectromechanical processes,
quantum effects.
Batygin Yu. V., Chaplygin E. A. 54
Vortical currents in flat mettalic sheet
A theoretical analysis of electrodynamical
processes in single-turn inductor systems for mag-
netic pulse working of sheet metals with real spe-
cific conductivity is fulfilled. Reliability of ob-
tained results is verified by means of limit trans-
missions. The main result reveals the fact that
phase bias between an induced signal and inductor
current is in the range Δϕ∈[0.5π,π].
Key words – electrodynamical processes,
inductor system, sheet metals.
Kravchenko V.I., Yakovenko I.V,. Glyhoff E.V. 60
Energy losses in a charged particle flux due
to electromagnetic oscillation excitation in
semiconductor structures
Electromagnetic oscillation energy in a sys-
tem of semiconducting plasma – charged particle
flux is determined under the oscillation excitation
in a submillimeter range. An analytical model of
interaction mechanism for the electromagnetic
oscillation and currents arising due to action of
electromagnetic radiation in current – conducting
elements of electric radio apparatus containing
semiconductive super lattices is presented.
Key words - electromagnetic oscillation en-
ergy, semiconducting plasma – charged particle
flux system, interaction mechanism, analytical
model, electric radio apparatus.
Kravchenko V.I., Yakovenko I.V., Losev F.V. 64
Instability of surface waves at their inter-
action with a charged particle flux in semicon-
ductor structure
The paper presents an analytical model of an
interaction mechanism for currents arising due to
action of electromagnetic radiation in current –
conducting elements of electric radio apparatus
with inner electromagnetic oscillations of metal –
dielectric – semiconductor structures. An instabil-
ity increment that results from this interaction and
specifies oscillation excitation in a submillimeter
range is determined.
Key words - conducting elements, electro-
magnetic radiation, currents, interaction model,
instability increment, electric radio apparatus.
Electric stations
Orlovsky I.V. 67
Ways of control perfection in Kharkov
CHPP-5 concerning electric energy expenses re-
duction in its of water chemical preparation shop
Ways of control system perfection in Kharkov
Combined Heat&Power Plant-5 for reduction of
electric energy expenses are introduced for the
plant’s water chemical preparation shop. They are
based on prediction of week electricity consump-
tion by the shop and diminishment of its sensors
questioning period to week.
Key words − combined heat&power plant,
energy expenses, consumption predicytion, con-
trol system.
Electric Transport
Khvorost M.V. 71
Propulsion asynchronous transmission of a
high-efficiency underground carriage
The paper presents a propulsion asynchronous
transmission structure for a 1000 kW underground
carriage that allows implementing a combined
propulsion system for five-carriage underground
trains for feeding voltage of 1500 V with the fol-
lowing scheme: two head motorized carriages with
driving compartments at the head and at the tail of
the train with three other carriages between. It is
shown that efficiency of the propulsion asynchro-
nous transmission scheme introduced exceeds 0.92
at inversion pulse- width modulation frequency of
3 kHz even with utilization of current limiting
units under voltage inversion failure.
Key words – propulsion asynchronous
transmission, five-carriage underground train,
efficiency.
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