Temat: decoupling - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Decoupling zeros of positive electrical circuits
Autorzy:: Kaczorek, T.
Powiązania:: https://bibliotekanauki.pl/articles/141696.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: decoupling zeros
positive
continuous-time
linear system
observability
reachability
Opis:: Necessary and sufficient conditions for the reachability and observability of the positive electrical circuits composed of resistors, coils, condensators and voltage sources are established. Definitions of the input-decoupling zeros, output-decoupling zeros and input-output decoupling zeros of the positive electrical circuits are proposed. Some properties of the decoupling zeros of positive electrical circuits are discussed.
Źródło:: Archives of Electrical Engineering; 2013, 62, 4; 553-568
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Online control signal-based diagnosis of interturn short circuits of PMSM drive
Autorzy:: Krzysztofiak, Mateusz
Zawilak, Tomasz
Tarchała, Grzegorz
Powiązania:: https://bibliotekanauki.pl/articles/2202549.pdf
Data publikacji:: 2023
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: decoupling
diagnostic
Finitie Element Method
FEM
inter-turn short circuits
modelling
PMSM
Opis:: Modern drives with Permanent Magnet Synchronous Motors (PMSMs) require both efficient control structure to ensure excellent dynamics and effective diagnostic algorithms to detect the motor faults that can occur. This paper shows the combination of both mentioned aspects – the direct-axis based signals of the Field Oriented Control (FOC) structure are proposed as diagnostic signals to allow diagnosing the interturn short-circuit failure that can appear inside stator windings. The amplitudes of second order harmonics are selected as the fault indicators. Different modelling methods are analysed and compared in detail in this paper: an analytical mathematical model, a Finite Element Method (FEM)- based model and next verified using a laboratory setup. The results obtained using all the mentioned models proved that the proposed fault indices are increasing significantly with the number of shorted turns and are independent on the load torque level.
Źródło:: Archives of Electrical Engineering; 2023, 72, 1; 103--124
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Research on the influence of driving harmonic on electromagnetic field and temperature field of permanent magnet synchronous motor
Autorzy:: Qiu, H.
Yu, W.
Li, Y.
Yang, C.
Powiązania:: https://bibliotekanauki.pl/articles/141535.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: air gap flux density
eddy current loss
harmonic
magnetic field decoupling
torque ripple
Opis:: At present, the drivers with different control methods are used in most of permanent magnet synchronous motors (PMSM). A current outputted by a driver contains a large number of harmonics that will cause the PMSM torque ripple, winding heating and rotor temperature rise too large and so on. In this paper, in order to determine the influence of the current harmonics on the motor performance, different harmonic currents were injected into the motor armature. Firstly, in order to study the influence of the current harmonic on the motor magnetic field, a novel decoupling method of the motor magnetic field was proposed. On this basis, the difference of harmonic content in an air gap magnetic field was studied, and the influence of a harmonic current on the air gap flux density was obtained. Secondly, by comparing the fluctuation of the motor torque in the fundamental and different harmonic currents, the influence of harmonic on a motor torque ripple was determined. Then, the influence of different current harmonics on the eddy current loss of the motor was compared and analyzed, and the influence of the drive harmonic on the eddy current loss was obtained. Finally, by using a finite element method (FEM), the motor temperature distribution with different harmonics was obtained.
Źródło:: Archives of Electrical Engineering; 2017, 66, 2; 295-312
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Active power decoupling topology for AC-DC and DC-AC single-phase systems with decoupling capacitor minimization
Autorzy:: Stawiarski, Ł.
Piróg, S.
Powiązania:: https://bibliotekanauki.pl/articles/141750.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: active power decoupling
capacitance reduction
microgrid converter
double-line frequency ripple power
single-phase systems
power factor correction
Opis:: Passive power decoupling in single-phase DC-AC and AC-DC systems usually requires usage of electrolytic capacitors. To minimize converter volume, increase reliability, robustness and to eliminate ripple power effect on the DC side, new solutions for Active Power Decoupling are proposed. In this paper a novel Active Power Decoupling topology for low power single-phase AC-DC and DC-AC converters is presented. The proposed topology is based on well-known boost and buck-boost topologies but with a completely different control scheme. The topology description with a complete control algorithm is presented. The proposed APD solution is verified by experimental results of a 450 W converter in AC-DC mode and a 320 W converter in DC-AC mode.
Źródło:: Archives of Electrical Engineering; 2018, 67, 1; 193-205
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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