Zobrazeno 1 - 10
of 742
pro vyhledávání: '"second-order generalized integrator"'
Autor:
Abdelhammid Kherbachi, Ahmed Bendib, Aissa Chouder, Hafiz Ahmed, Mohamed Benbouzid, Saad Motahhir
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-22 (2024)
Abstract Under the presence of nonlinear load, the most existing virtual impedance (VI) methods-based control solution performs poorly in reactive power sharing among droop-operated VSIs in microgrids (MGs). This may be due to the involved estimation
Externí odkaz:
https://doaj.org/article/09bfc0ec5b5847b1b1b5375c2dd32be6
Publikováno v:
Energy Informatics, Vol 7, Iss 1, Pp 1-19 (2024)
Abstract As the boost of power electronics technology, the harmonic problem in the power system is becoming increasingly prominent. Fourier decomposition is performed on the load current in the power system, and components with a frequency that is an
Externí odkaz:
https://doaj.org/article/e96ce534cca4420da4ca28b0f3d7d862
Publikováno v:
IEEE Access, Vol 12, Pp 57315-57325 (2024)
To cancel harmonics and get fundamental back EMFs for precise rotor position and speed estimations under short-circuit (SC) fault, this article introduces a new sensorless fault-tolerant control method for 5-phase PMSM using a sigmoid sliding mode ob
Externí odkaz:
https://doaj.org/article/20b9b06bad954c0e8537d91c63535b5f
Publikováno v:
IET Renewable Power Generation, Vol 17, Iss 9, Pp 2160-2173 (2023)
Abstract Frequency‐adaptive prefilters are widely used in the phase‐locked loop (PLL) to suppress input disturbances. However, the parameters of the PLL and prefilters are often designed separately or based on an inaccurate model. The positive fe
Externí odkaz:
https://doaj.org/article/937e0fcf3b4a43458c8fe67eec6b8c48
Publikováno v:
e-Prime: Advances in Electrical Engineering, Electronics and Energy, Vol 7, Iss , Pp 100391- (2024)
Induction motor current imbalance increases losses, torque ripple and vibrations. Current imbalance is known to appear in artificial lift systems, where motors are driven over long imbalanced cables. Power hardware modifications, namely transposition
Externí odkaz:
https://doaj.org/article/04ab5f21ef37470fbcfb6f6db7fcabe2
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 156, Iss , Pp 109720- (2024)
For grid-connected converters (GCC), the synchronization unit (SU) is indispensable for the vector current control (VCC). Usually, the phase-locked loop (PLL) is employed as SU. However, PLL could introduce negative resistance contributing to potenti
Externí odkaz:
https://doaj.org/article/158a6f9821744ef695d8c5ef3c091032
Publikováno v:
Circuit World, 2022, Vol. 49, Issue 1, pp. 13-27.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/CW-05-2021-0157
Publikováno v:
Meikuang Anquan, Vol 54, Iss 1, Pp 235-238 (2023)
The feed detection device plays an important role in ensuring gas overrun locking function in underground coal mine. How to effectively solve the feed detection misjudgment caused by external interference is still a difficult problem at present. To s
Externí odkaz:
https://doaj.org/article/09a67010ed9149b8a0e041b7ab66ac2a
Publikováno v:
IEEE Access, Vol 11, Pp 119330-119341 (2023)
In permanent magnet synchronous motors, a resolver to digital converter (RDC) is used to determine the position of a rotor with a resolver. Moreover, RDCs can be used to position rotors through resolver signals. However, such processes require signif
Externí odkaz:
https://doaj.org/article/c3ba4930b382435f866155b95197bff9
Publikováno v:
Tehnički Vjesnik, Vol 30, Iss 3, Pp 715-723 (2023)
This paper presents a method for the estimation of key parameters of limit cycle oscillations (amplitude and frequency) during a relay experiment used for automatic tuning of proportional-integral (PI) and proportional-integral-derivative (PID) feedb
Externí odkaz:
https://doaj.org/article/7ac0804638a24f30a9dc5c0e3ca4ca31