A New Method to Solve Static Voltage Collapse Point with Hybrid Power Network Equations

Tao Yi; Jian Peng Li; Song Zhang; Ying Bin Zhang

doi:10.4028/www.scientific.net/AMR.732-733.796

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 732-733A New Method to Solve Static Voltage Collapse...

A New Method to Solve Static Voltage Collapse Point with Hybrid Power Network Equations

Abstract:

Electric power network components can be simulated with equivalent circuit and establish the hybrid node voltage and branch current electricity network analysis model based on it. We form the equations reflected the voltage collapse conditions, and establish the extended power flow equations with the hybrid equations, the static voltage collapse point can be calculated by solving them. The advantage of this method is that the power flow calculation can be convergence smoothly near the collapse point because of the extended power flow equations when the Jacobian matrix tends to be singular. The convergence can be achievable just because the joining of the equation reflecting the voltage collapse conditions has changed the structure of the Jacobian matrix. The simulation results show that this method is very effective.

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Periodical:

Advanced Materials Research (Volumes 732-733)

Pages:

796-799

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.732-733.796

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Online since:

August 2013

Authors:

Tao Yi, Jian Peng Li, Song Zhang, Ying Bin Zhang

Keywords:

Collapse Point, Hybrid Equations, Jacobian Matrix Singularity, Power Flow Calculation, Static Voltage Stability

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