Results 61 to 70 of about 1,077,385 (182)
Frontiers in Energy ResearchVirtual synchronous generator (VSG) is prone to transient power angle instability under grid fault, which weakens its voltage and frequency support ability to the grid. During the grid fault, the evolution characteristics of VSG transient power angle and
Song Zhang +5 more
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Dynamic data replication in the grid with freshness and correctness guarantees [PDF]
, 2011 This thesis explores architectural issues and performance aspects of data Grid infrastructures. The objective is to develop a scalable infrastructure that is capable to dynamically manage replicated data in the Grid while at the same time providing ...
Voicu, Laura Cristiana
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Fault location and isolation technology for power grid automation based on intelligent algorithms
Energy InformaticsBackground Power grid automation is critical for maintaining the stability and reliability of electrical grids. A major challenge in power grid management is identifying and isolating faults quickly and accurately to avoid widespread disruptions ...
Qi Guo +4 more
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Control Strategy for Potential Vector Remolding Fault Ride-through in Grid-forming MMC [PDF]
Dianli jianshe[Objective] The operational characteristics of the grid-forming modular multilevel converter （MMC） in offshore wind power transmission systems under short-circuit faults in the receiving-end grid are unclear， and the interaction mechanism between fault ...
FANG Chaoxiong, TANG Yuchen, LIN Yi, SHEN Hao, PAN Chao, BIAN Xiaoyan, ZHAO Jinbin
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Abstract This chapter presents the grid fault modelling as the basic prerequisite of the model-based protection algorithm. In Sec. 7.1, the model-based fault analysis is defined. The basic concept of the model-based protection algorithm is introduced and compared to existing protection schemes.
openaire +1 more source
A change-detection algorithm for short-circuit fault detection in closed-loop AC drives [PDF]
, 2013 This paper deals with an on-line method for turn-to-turn short-circuit fault detection in low-voltage permanent-magnet synchronous machine drives. Due to the closed-loop control, the fault effects are reflected in the voltage.
Johan Gyselinck +10 more
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A method for short-circuit fault current calculation in DC grids based on phase-mode transformation
电力工程技术Accurate short-circuit fault current calculation is important for device selection, parameter design and protection research of flexible DC grid. To solve the problem that existing fault current calculation methods do not consider the pole-to-pole ...
WANG Taiji +3 more
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DC fault current clearance coordinated control strategy for DC grid with hybrid MMC
International Journal of Electrical Power & Energy SystemsFor DC grid based on the hybrid modular multilevel converter (MMC), the traditional DC fault current clearance scheme takes a long time and greatly affects the active power transmission.
Shouqi Jiang +4 more
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Matching Method for Power Grid Fault Handling Plan Based on Semantic Enhancement
Zhongguo dianliIn order to improve the matching efficiency and accuracy of grid fault handling plan, a semantic enhancement-based grid fault handling plan matching method is proposed.
Fei MENG +5 more
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Evolutionary Computing within Grid Environment. [PDF]
, 2007 Evolutionary computing (EC) techniques such as genetic algorithm (GA), genetic programming (GP), evolutionary programming (EP) and evolution strategies (ES) mimic nature through natural selection to perform complex optimisation processes that require ...
Tiwari, Ashutosh +2 more
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