Results 41 to 50 of about 32,089 (164)

Preventive control approach for voltage stability improvement using voltage stability constrained optimal power flow based on static line voltage stability indices

IET Generation, Transmission & Distribution, 2014
Voltage stability improvement is a challenging issue in planning and security assessment of power systems. As modern systems are being operated under heavily stressed conditions with reduced stability margins, incorporation of voltage stability criteria in the operation of power systems began receiving great attention.
Tarik Zabaiou, Louis‐A Dessaint, Innocent Kamwa   +2 more
openaire   +1 more source

Research on optimal allocation of energy storage in urban power grids considering static voltage stability

Zhejiang dianli
As new energy sources scale up for integration into urban power grids， there is a growing spatiotemporal mismatch between supply and demand in power systems.
YAN Dawei, ZHANG Tianyu, LI Tianxiang, WANG Kui, LUO Tao, LEI Zheng, XIAO Qian   +6 more
doaj   +1 more source

Static-Voltage-Stability Analysis of Renewable Energy-Integrated Distribution Power System Based on Impedance Model Index

Energies
Static-voltage stability has become one of the most significant risks faced by large-scale renewable energy integration. However, traditional methods for static-voltage-stability analysis are often overly complex.
Yang Wang, Yongxiang Cai, Wei Li, Zhukui Tan, Zihong Song, Yue Li, Hao Bai, Tong Liu   +7 more
doaj   +1 more source

Voltage Stability of Weak Sending-end System with Large-Scale Grid-connected Photovoltaic Power Plants

Zhongguo dianli, 2020
With the rapid development of new energy power, the HVDC sending-end system in the northwest of China gradually shows the characteristics of high penetration of new energy, weak AC grid and small rotational inertia, and the voltage stability problems of ...
Feng XIAO, Minxiao HAN, Xiaojun TANG, Xin ZHANG   +3 more
doaj   +1 more source

Research of Influence of Change of Load Dynamic Characteristics on Static Voltage Stability of Power System

Gong-kuang zidonghua, 2012
In view of problems that load dynamic characteristics excited dynamic change of voltage and would cause voltage collapse under extreme case, the paper introduced slip ratio into load equivalent impedance model to analyze load impedance module and load ...
DUAN Jun-dong, HUANG Jia-xing
doaj  

Review of Static Voltage Stability Analysis of Power System

DEStech Transactions on Engineering and Technology Research, 2017
So far, the research of static voltage stability is relatively mature. Several indices of static voltage stability are introduced, such as singular value index, sensitivity index, line voltage stability index and local voltage stability index.
You-Jie MA, Shao-Feng LV, Xue-Song ZHOU, Zhi-Qiang GAO   +3 more
openaire   +2 more sources

Static voltage stability margin evaluation for a DC distribution network with DC electric springs

International Journal of Electrical Power & Energy Systems
The rapid growth of DC loads in distribution networks positions DC distribution networks as a promising solution for future power systems. However, the operational limits of power electronic devices in DC distribution networks may pose static voltage ...
Xiaolong Xu, Qianggang Wang, Jianquan Liao, Yuan Chi, Tao Huang, Niancheng Zhou, Yiyao Zhou, Xuefei Zhang   +7 more
doaj   +1 more source

Direct Detection of Voltage Collapse in Electrical Power System

Tikrit Journal of Engineering Sciences, 2011
Voltage stability is indeed a dynamic problem. Dynamic analysis is important for better understanding of voltage instability process. In this work an analysis for voltage stability from bifurcation and voltage collapse point of view based on a center ...
Ahmed Nasser B. Alsammak
doaj   +1 more source

Research on the Demands of GFM Converters Considering the Stability Enhancement for Large Receiving Power Grids

Advances in Electrical and Computer Engineering
The advent of large-scale renewable energy and High voltage direct current (HVDC) transmission has resulted in stability problems in frequency and voltage.
SUN, W., WANG, Q., LIU, Q., GE, Y., CAI, H., HAN, X., XIE, Z.   +6 more
doaj   +1 more source

ACTIVE POWER LOSS REDUCTION AND IMPROVEMENT OF STATIC VOLTAGE STABILITY MARGIN INDEX BY WATERWAY ALGORITHM

Jurnal Ilmiah SINERGI, 2018
In this paper, the Waterway Algorithm (WA) is used for Active Power Loss Reduction and improvement of Static Voltage Stability Margin Index. The design of the Waterway Algorithm (WA) is imitated from nature and the whole waterway process which involves ...
Kanagasabai Lenin
doaj   +1 more source