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Wyszukujesz frazę "automotive generator" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
A mathematical model of the generator/starter for automotive vehicles
Autorzy:
Tutaj, J.
Powiązania:
https://bibliotekanauki.pl/articles/246057.pdf
Data publikacji:
2009
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
brushless DC electrical machine
generator/starter
automotive generator
Opis:
In the paper has been formulated mathematical models of the not only AC commutatorless electromagnetically acited generator/starter but also brushless AC-DC/DC-AC commutator electromagnetically excited generator/starter, both based on the double electrical machine, analogous to the mathematical model of the brushed l AC-DC commutator electromagnetically excited generator with a rotating AC-DC mechanoelectrical commutator toking into consideration equations of unholonomic constraints of the AC-DC commutator, a set of the second-order Euler-Lagrange differential equations of dynamics in a matrix notation for the AC commutatorless electromagnetically-excited generator can be written. After taking into account the equations of unholonomic constraints of the power diode and/or MOSFET electronic commutators in the differential equations of dynamics one can be obtained differential equations of dynamics, establishing of a mathematical model of AC-DC/DC-AC electronic-commutator electromagnetically-excited generator/starter with the diode and/or MOSFET AC-DC/DC-AC \ electronic commutator, acting as the double electrical machine's diode and/or MOSFET rectifier (during generating on electrical energy) and/or inverter (during not only cranking of the internal combustion engine, but also travelling of an automotive vehicles as the hybrid-electric vehicle.
Źródło:
Journal of KONES; 2009, 16, 1; 495-506
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulation of automotive AC-DC macrocommutator generators
Autorzy:
Tutaj, J.
Powiązania:
https://bibliotekanauki.pl/articles/242047.pdf
Data publikacji:
2011
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
DC electrical machine
electronic commutator
automotive generator
Opis:
This paper deals with PSPICE simulation of automotive AC-DC macrocommutator generators, in which are commonly equipped internal combustion engines and/or external combustion engines of civil and military automotive vehicles. In the beginning a physical model of automotive AC-DC macrocomutator generators is created. Next, on the basis of this physical model, a mathematical model of automotive AC-DC macrocommutator generators has been formulated, taking into account controlled nonlinear self-inductances and mutual-inductances. The created physical model for simulation of an automotive AC-DC macrocommutator generator with a diode macrocommutator (macroelectronic commutator) can be used, not only for the estimation of power quality (PQ) indices in these on-board 42 VDC AC-DC commutator generators, but also for the investigation of new configurations of macrocommutators with fully-controllable uni- and/or bipolar electrical valves (e.g., with MOSFETs, IGBTs or MCTs). To estimate the AC output of the macrocommutator, as regards a power quality (PQ), the Fourier analysis of a phase current has been used. It can be concluded from the simulation results that a significantly lower harmonic content, especially, in the low-frequency range can be obtained using fully-controllable macrocommutators. Simulation results are presented, not only for an automotive electrical machine, but also for an AC-DC macrocommutator. The PSPICE simulation makes it possible to observe the static and transient oscillograms of different physical values (e.g., voltages and currents) which are not measurable in real electrical machines.
Źródło:
Journal of KONES; 2011, 18, 2; 447-454
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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