2011 5th International Power Engineering and Optimization Conference 2011
DOI: 10.1109/peoco.2011.5970424
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Voltage stability assessment: An approach with expanded Newton Raphson -Sydel

Abstract: Voltage instability is major cause of cascading failures in the current power systems. Static assessment of voltage stability has been used widely to draw the secure margin of voltage security for the system components. Among the many methods reported, Conventional Newton Raphson method is popular but it suffers from curse of singularity on its Jacobian matrix which precludes converging onto the solution. To overcome this problem, Continuation Power Flow (CPF) method was come up. CPF method is a very powerful … Show more

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Cited by 20 publications
(9 citation statements)
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“…Here, the static ATC of the grid described in section 2 is computed. The outcome matched the time consumed by six different methods, 1‐standard CPF [3], 2‐CPF–GMRES [4], 3‐expanded NRS [2], 4‐ STAC [9], 5‐ Holomorphic embedding load flow (HELF) [29], and 6‐ the newly proposed method (SATC‐DE).…”
Section: Numeric Resultsmentioning
confidence: 87%
See 1 more Smart Citation
“…Here, the static ATC of the grid described in section 2 is computed. The outcome matched the time consumed by six different methods, 1‐standard CPF [3], 2‐CPF–GMRES [4], 3‐expanded NRS [2], 4‐ STAC [9], 5‐ Holomorphic embedding load flow (HELF) [29], and 6‐ the newly proposed method (SATC‐DE).…”
Section: Numeric Resultsmentioning
confidence: 87%
“…For years, Continuation Power Flow (CPF) has been employed to evaluate SATC, and has been improved using the general minimum residual method (GMRES) to speed up voltage stability computation [2, 3]. In this regard, the classic Newton‐Raphson (NR) can also be substituted with Newton‐Raphson‐Seydel (NRS) method for a quicker and more precise calculation of voltage stability and SATC [4–6].…”
Section: Introductionmentioning
confidence: 99%
“…Algorithms based on the latter begin with static methods as their upper limits. The former includes continuation power flow (CPF) [26], Newton‐Raphson‐Seydel (NRS) method [27] and minimum distance (MD) methods [28]. DELF (differential equation load flow) is one of the new static methods [29].…”
Section: Introductionmentioning
confidence: 99%
“…Model-driven power flow calculation enhances the knowledge and understanding of the model and improves visualization. Traditional power flow calculation methods [5][6][7][8] obtain voltage magnitude and phase angle by constructing differential equations [9,10] and solving them with iterative numerical methods; [11] considers DC, establishes a unified steady-state nonideal model, and proposes a power flow calculation model that retains the nonlinear algorithm; [12] used the decoupled linear power flow (DLPF) method to effectively calculate the voltage magnitude, but sacrificed the accuracy of the voltage phase angle calculation; [13] proposes a combination of Newton-Raphson-Seder and downslope algorithms with a combination of static and transient stability; [14] considers integrated energy sources and constructs a power flow calculation model based on a refined thermal network. With the development of measurement devices and storage equipment, the data-driven [15] power flow method was developed, and the nonlinear power flow model was linearized [16][17][18][19] to speed up the power flow calculation.…”
Section: Introductionmentioning
confidence: 99%