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A Sufficient Condition for Power Flow Insolvability with Applications to Voltage Stability Margins by Molzahn, Daniel K.; Lesieutre, Bernard C.; DeMarco, Christopher L. is a scholarly article available to read on EtoBox.

What is A Sufficient Condition for Power Flow Insolvability with Applications to Voltage Stability Margins about?

For the nonlinear power flow problem specified with standard PQ, PV, and slack bus equality constraints, we present a sufficient condition under which the specified set of nonlinear algebraic equations has no solution. This sufficient condition is constructed in a framework of an associated feasible, convex optimization problem. The objective employed in this optimization problem yields a measure of distance (in a parameter set) to the power flow solution boundary. In practical terms, this distance is closely related to quantities that previous authors have proposed as voltage stability margins. A typical margin is expressed in terms of the parameters of system loading (injected powers); here we additionally introduce a new margin in terms of the parameters of regulated bus voltages.

Author

Molzahn, Daniel K.; Lesieutre, Bernard C.; DeMarco, Christopher L.

Published

2012

Language

EN