Results 31 to 40 of about 18,308,647 (297)

Evaluation of a fuzzy-expert system for fault diagnosis in power systems [PDF]

A major problem with alarm processing and fault diagnosis in power systems is the reliance on the circuit alarm status. If there is too much information available and the time of arrival of the information is random due to weather conditions etc., the ...
Park, Min Young
core   +3 more sources

Effects of power electronics devices on the energy quality of an administrative building [PDF]

, 2019
This paper proposes the analysis of the effects of power electronics devices on the energy quality of an administrative building. For the study a method is applied that allows the analysis of the main problems of energy quality such as voltage ...
Gómez Sarduy, Julio R., Viego Felipe, Percy R., Viego, Percy R., Quispe, Enrique C., Sarmiento Crespo, Paulo Cesar, Viego, Percy, Sarmiento, Paulo, Silva, Jorge I., Enrique C. Quispe, Paulo Sarmiento, Sousa Santos, Vladimir, Sarmiento Crespo, Paulo César, Sousa, Vladimir, Silva Ortega, Jorge Iván, Quispe Oqueña, Enrique Ciro, Quispe, Enrique Ciro, Gómez Sarduy, Julio Rafael, Percy R. Viego, Jorge I. Silva, Vladimir Sousa, Julio R. Gómez, Gómez, Julio R.   +21 more
core   +1 more source

Parallel Restoration Method for AC-DC Hybrid Power Systems Based on Graph Theory

IEEE Access, 2019
High voltage direct current (HVDC) transmission systems have been used for interconnection among multiple power grids. As a result, the conventional AC power systems are transforming into AC-DC hybrid power systems.
Changcheng Li, Yin Xu, Jinghan He, Pei Zhang, Lin Liu   +4 more
doaj   +1 more source

A Study on the Harmonic Resonance during Energizing Primary Restorative Transmission Systems: Korean Power System Case

Energies, 2022
In this paper, a power system restoration study following a massive or complete blackout was performed. The power system restoration process from a complete shutdown system without the operating generation and load starts with energizing primary ...
Minhan Yoon, Wonkeun Yu, Junghyun Oh, Heungjae Lee   +3 more
doaj   +1 more source

Three-stage power system restoration methodology considering renewable energies

, 2023
287299This is a study of a combined load restoration and generator start-up procedure. The procedure is structured into three stages according to the power system status and the goal of load restoration.
Kaufmann, P., Hachmann, C., Shen, C., Braun, Martin   +3 more
core   +1 more source

System Restoration Navigator: A decision support tool for System Restoration [PDF]

, 2012
Power system restoration is well recognized as an important task to reduce the duration of a disturbance that occures in power systems. The complex tasks of emergency recovery require advanced decision support tools to enhance the resilience and ...
Hou, Y, Liu, S, Podmore, R
core   +1 more source

Two-stage power system restoration model

Global Energy Interconnection
In response to the need for robust black-start strategies in modern smart grids during blackouts, this paper proposes a two-stage black-start model that integrates wind turbines (WT), photovoltaic generators (PV), and energy storage systems (ESS).
Hong Yang, Zhen Tang, Wei Wang, Zhihang Xue   +3 more
doaj   +1 more source

Collaborative Optimization of Post-Disaster Damage Repair and Power System Operation

Energies, 2018
After disasters, enhancing the resilience of power systems and restoring power systems rapidly can effectively reduce the economy damage and bad social impacts.
Han Zhang, Gengfeng Li, Hanjie Yuan
doaj   +1 more source

PI2 controller based coordinated control with Redox Flow Battery and Unified Power Flow Controller for improved Restoration Indices in a deregulated power system

Ain Shams Engineering Journal, 2016
The nature of power system restoration problem involves status assessment, optimization of generation capability and load pickup. This paper proposes the evaluation of Power System Restoration Indices (PSRI) based on the Automatic Generation Control (AGC)
R. Thirunavukarasu, I.A. Chidambaram
doaj   +1 more source

Visualization of power system restoration plans using CPM/PERT graphs

, 2015
The risk of blackouts is inherent in complex power systems, despite all efforts to prevent their occurrence. To mitigate the consequences of major blackouts, better restoration plans have been demanded.
Morelato, A, Mota, AA, Mota, LTM
core   +1 more source