Voltage Stability Analysis of Radial Distribution Systems with Realistic Loads

2009 ◽  
Vol 3 (1) ◽  
pp. 11-19
Author(s):  
P.V. Prasad ◽  
◽  
S. Sivanagaraju ◽  
B. Usha ◽  
◽  
...  
Keyword(s):  
Stability Analysis ◽  
Radial Distribution ◽  
Distribution Systems ◽  
Voltage Stability

Voltage Stability Index of Radial Distribution Networks by Considering Distributed Generator for Different Types of Loads

2016 ◽  
Vol 5 (1) ◽  
pp. 1-22 ◽  
Author(s):  
Tapan Kumar Chattopadhyay ◽  
Sumit Banerjee ◽  
Chandan Kumar Chanda
Keyword(s):  
Stability Analysis ◽  
Radial Distribution ◽  
Distribution Systems ◽  
Voltage Stability ◽  
Stability Index ◽  
Distribution Networks ◽  
Voltage Collapse ◽  
Distributed Generator ◽  
Voltage Stability Index ◽  
Different Types

The paper presents an approach on voltage stability analysis of distribution networks for loads of different types. A voltage stability index is proposed for identifying the node, which is most sensitive to voltage collapse. It is shown that the node, at which the value of voltage stability index is maximum, is more sensitive to voltage collapse. For the purpose of voltage stability analysis, constant power, constant current, constant impedance and composite load modeling are considered. Distributed generation can be integrated into distribution systems to meet the increasing load demand. It is seen that with the insertion of distributed generator (DG), load capability limit of the feeder has increased for all types of loads. By using this voltage stability index, one can measure the level of voltage stability of radial distribution systems and thereby appropriate action may be taken if the index indicates a poor level of stability. The effectiveness of the proposed method is demonstrated through two examples.

Energy function applied to voltage stability analysis in active distribution systems

2018 ◽  
Author(s):  
Joao Alves da Silva Neto ◽  
Antonio Carlos Zambroni de Souza ◽  
Bruno de Nadai Nascimento ◽  
Eliane Valenca Nascimento De Lorenci
Keyword(s):  
Stability Analysis ◽  
Energy Function ◽  
Distribution Systems ◽  
Voltage Stability
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