Zobrazeno 1 - 10
of 1 149
pro vyhledávání: '"Q-H Wu"'
Publikováno v:
IET Renewable Power Generation, Vol 18, Iss 7, Pp 1380-1393 (2024)
Abstract As the proportion of renewable energy penetrated in power systems further increases, the optimal operation faces a large obstacle to satisfying various conflict interests simultaneously. This paper first formulates a many‐objective optimal
Externí odkaz:
https://doaj.org/article/31856e0311b349049c40371741f17b0c
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 4, Pp 1454-1465 (2024)
This paper proposes a residue based open-loop modal analysis method to detect low frequency modal resonance(LFMR), including asymmetric low frequency modal attraction(ALFMA) and asymmetric low frequency modal repulsion(ALFMR), of permanent magnetic s
Externí odkaz:
https://doaj.org/article/25aed292bcfe4f668819938755736d0b
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 4, Pp 1563-1574 (2024)
This paper presents a long short-term memory (LSTM)-based fault detection method to detect the multiple open-circuit switch faults of modular multilevel converter (MMC) systems with full-bridge sub-modules (FB-SMs). Eighteen sensor signals of grid vo
Externí odkaz:
https://doaj.org/article/bfbc9a842bb849d6aa2b547fd8098189
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 3, Pp 1145-1158 (2024)
Observability analysis (OA) is vital to obtaining the available input measurements of state estimation (SE) in an integrated electricity and heating system (IEHS). Considering the thermal quasi-dynamics in pipelines, the measurement equations in heat
Externí odkaz:
https://doaj.org/article/58ad103997ef4c2987d812da5ffeefdc
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 2, Pp 584-592 (2024)
In this paper, a novel signal processing method combining mathematical morphology (MM) and Walsh theory is proposed, which uses Walsh functions to control the structuring element (SE) and MM operators. Based on the Walsh-MM method, a scheme for power
Externí odkaz:
https://doaj.org/article/70f8ab20697b425c8d22ea7201d7f141
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 2, Pp 617-628 (2024)
Line-commutated converter (LCC)-based high-voltage DC (HVDC) systems have been integrated with bulk AC power grids for interregional transmission of renewable power. The nonlinear LCC model brings additional nonconvexity to optimal power flow (OPF) o
Externí odkaz:
https://doaj.org/article/1e46f3d902794f24b820280fbaf2fcae
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 2, Pp 807-820 (2024)
This paper proposes a critical clearing time (CCT) estimation method by the domain of attraction (DA) of a state-reduction model of power systems using sum of squares (SOS) programming. By exploiting the property of the Jacobian matrix and the struct
Externí odkaz:
https://doaj.org/article/37e053937e8f48ca8220e4a15c83eff2
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 1, Pp 351-360 (2024)
In power systems, failures of vulnerable lines can trigger large-scale cascading failures, and vulnerability assessment is dedicated to locating these lines and reducing the risks of such failures. Based on a structure and attribute network embedding
Externí odkaz:
https://doaj.org/article/3b1c685eb7884c77abc7c8e04afac048
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 1, Pp 151-161 (2024)
Sparse measurements challenge fault location in distribution networks. This paper proposes a method for asymmetric ground fault location in distribution networks with limited measurements. A virtual injected current vector is formulated to estimate t
Externí odkaz:
https://doaj.org/article/5ac1f63185304479a98b0a209b0424fc
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 9, Iss 6, Pp 1999-2007 (2023)
Externí odkaz:
https://doaj.org/article/4f2e21a0b1a14025b7f52bf62ee0193e