Characteristics Analysis of Voltage Sag, Voltage Swell and Instability Voltage in Multi-grounded Four-Wire Power Distribution Systems

2009 ◽  
Author(s):  
Jamal Moshtagh ◽  
Hassan Pourvali Souraki ◽  
Parham Jalili
Keyword(s):  
Power Distribution ◽  
Distribution Systems ◽  
Voltage Sag ◽  
Power Distribution Systems ◽  
Characteristics Analysis ◽  
Voltage Swell

scholarly journals Voltage sag state estimation based on -normminimization methods in radial electric power distribution systems

2018 ◽  
Vol 17 (2) ◽  
pp. 309-318 ◽  
Author(s):  
Jairo Blanco-Solano ◽  
◽  
Nelson Kagan ◽  
Carlos Frederico M. Almeida ◽  
Johann F. Petit-Suárez ◽  
...  
Keyword(s):  
State Estimation ◽  
Electric Power ◽  
Power Distribution ◽  
Distribution Systems ◽  
Voltage Sag ◽  
Power Distribution Systems ◽  
Electric Power Distribution

Fault Location in Distribution Systems Considering the Non-Liner Profile Characteristic of Voltage Sag on the Bus

2011 ◽  
Vol 354-355 ◽  
pp. 1088-1092
Author(s):  
Tian Wen Zheng ◽  
Jian Wen Yang ◽  
Xian Yong Xiao ◽  
Ying Wang
Keyword(s):  
Distributed Generation ◽  
Power Distribution ◽  
Distribution Systems ◽  
Fault Location ◽  
Voltage Sag ◽  
Power Distribution Systems ◽  
Fault Resistance ◽  
Profile Characteristic ◽  
Minimal Deviation ◽  
The Relationship

The bus will experience different voltage sag when fault occurs at different location. Based on the non-liner profile characteristic of voltage sag measured at the bus, the paper proposes a new fault location method. Firstly, it obtains the analytical expression of each section based on the relationship between voltage sag and fault location. Then calculate the fault distance using chord secant method and identify the faulted section through the minimal deviation of fault distance. The combined two results of fault distance and faulted section make fault location accurately. It overcomes the difficulty of radial power distribution systems fault location. Through simulating for the IEEE 13 node test feeder with different faults, including various fault resistance, loading variation and the connected distributed generation, it proves the method’s accuracy and effectiveness.

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