Investigation Study on the Voltage Stability Status of a Power Flow Problem Solution

2021 ◽  
Author(s):  
Alisson Lima Silva ◽  
Francisco Damasceno Freitas
Keyword(s):  
Power Flow ◽  
Voltage Stability ◽  
Flow Problem ◽  
Problem Solution ◽  
Power Flow Problem

scholarly journals Optimal Power Flow Problem -Solution Through a Matheuristic Approach

IEEE Access ◽  
2021 ◽  
pp. 1-1
Author(s):  
Juan M. Home-Ortiz ◽  
Wmerson Claro De Oliveira ◽  
Jose Roberto Sanches Mantovani
Keyword(s):  
Power Flow ◽  
Optimal Power Flow ◽  
Flow Problem ◽  
Problem Solution ◽  
Optimal Power ◽  
Power Flow Problem

scholarly journals A Full-Newton AC-DC Power Flow Methodology for HVDC Multi-Terminal Systems and Generic DC Network Representation

Energies ◽  
2021 ◽  
Vol 14 (6) ◽  
pp. 1658
Author(s):  
Leandro Almeida Vasconcelos ◽  
João Alberto Passos Filho ◽  
André Luis Marques Marcato ◽  
Giovani Santiago Junqueira
Keyword(s):  
Power Systems ◽  
Direct Current ◽  
Power Flow ◽  
Large Scale ◽  
Flow Problem ◽  
Control Strategies ◽  
Problem Formulation ◽  
Expansion Planning ◽  
Dc Power ◽  
Power Flow Problem

The use of Direct Current (DC) transmission links in power systems is increasing continuously. Thus, it is important to develop new techniques to model the inclusion of these devices in network analysis, in order to allow studies of the operation and expansion planning of large-scale electric power systems. In this context, the main objective of this paper is to present a new methodology for a simultaneous AC-DC power flow for a multi-terminal High Voltage Direct Current (HVDC) system with a generic representation of the DC network. The proposed methodology is based on a full Newton formulation for solving the AC-DC power flow problem. Equations representing the converters and steady-state control strategies are included in a power flow problem formulation, resulting in an expanded Jacobian matrix of the Newton method. Some results are presented based on HVDC test systems to confirm the effectiveness of the proposed approach.

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