Zobrazeno 1 - 10
of 1 825
pro vyhledávání: '"virtual impedance"'
Publikováno v:
Energy Conversion and Economics, Vol 5, Iss 3, Pp 167-178 (2024)
Abstract The DC multi‐port converter's applications are increasing owing to its favourable features, including variable control mode, high power density, and bi‐directional power supply. On the other hand, the impedance interaction between each p
Externí odkaz:
https://doaj.org/article/07fa43c5740e4539830ed0e3b1add87c
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:
IEEE Access, Vol 12, Pp 89776-89793 (2024)
Motion planning for mobile manipulators is challenging because of their high degrees of freedom. The most effective approach for the motion planning of a mobile manipulator is to consider the different characteristics of a mobile robot and a manipula
Externí odkaz:
https://doaj.org/article/c8e6eb3ac66846fbaa288e855b5b5099
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 159, Iss , Pp 110043- (2024)
Active and reactive powers should be properly shared among sources to avoid instability problems and to improve reliability in inverter-based micro grids. This can be done using a number of control techniques including hierarchical, centralized and d
Externí odkaz:
https://doaj.org/article/b9a5777f04644f4d89a58687a8054eb4
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
The fluctuations in power output from distributed power sources are rapid and dramatic, causing voltage fluctuations in the distribution network that threaten the safety of electricity consumption. Soft open points (SOPs) can replace traditional cont
Externí odkaz:
https://doaj.org/article/561e1176307e4e49a5d274a9f22b119a
Publikováno v:
IEEE Open Journal of Power Electronics, Vol 5, Pp 1350-1362 (2024)
The bus conversion system in the hybrid AC/DC grid is usually composed of a three-phase interlinking converter and a DC-side input filter. The impedance interaction between the converter and the input filter may cause instability of the DC-link volta
Externí odkaz:
https://doaj.org/article/dbaa774437d542c6af9bcd7013d10603
Publikováno v:
IEEE Open Journal of Power Electronics, Vol 5, Pp 402-413 (2024)
The accurate control of negative sequence (NS) current distribution among multiple grid-forming (GFM) sources can lower the requirement on NS current capability of the sources. Existing control approaches mainly focus on microgrids (MGs) with fixed p
Externí odkaz:
https://doaj.org/article/33f4ef5834324142b2db124e9331e56d
Autor:
Chunguang Ren, Xuejin Li, Jiande Wu, Yue Hui, Yapeng He, Xiaoqing Han, Xiangning He, Peng Wang
Publikováno v:
IEEE Access, Vol 12, Pp 29723-29737 (2024)
The connection of single-phase AC loads to a DC microgrid not only large secondary currents flowing into energy storage units with droop control cause, but also lead to secondary voltage ripples appeared on the DC bus, which seriously affects the nor
Externí odkaz:
https://doaj.org/article/14d9f67fcd894e6c932f1dd7b6dbd248
Autor:
Yifeng Liu, Xiaoping Zhou, Quan Chen, Hanhang Yin, Lerong Hong, Hao Tian, Ying Chen, Siyuan Li
Publikováno v:
Journal of Modern Power Systems and Clean Energy, Vol 12, Iss 1, Pp 287-298 (2024)
Line commutated converter based high-voltage direct-current (LCC-HVDC) transmissions are prone to harmonic oscillation under weak grids. Impedance modeling is an effective method for assessing interaction stability. Firstly, this paper proposes an im
Externí odkaz:
https://doaj.org/article/4ad07e0187a942d58712b1e37bf86af1
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 161, Iss , Pp 110224- (2024)
DC microgrids, considered building blocks of smart grid technologies, are subjected to small-signal instability due to the extensive introduction of power electronics devices. Therefore, in this paper, a sequence Virtual Filter (VF) controller, which
Externí odkaz:
https://doaj.org/article/08136d01df5b4ca2a238db9e6f160082