Treatment of inequality constraints in power system state estimation
Journal Article
·
· IEEE Transactions on Power Systems
- Worcester Polytechnic Inst., MA (United States)
A new formulation of the power system state estimation problem and a new solution technique are presented. The formulation allows for inequality constraints such as Var limits on generators and transformer tap ratio limits. In addition, unmeasured loads can be modeled as unknown but bounded quantities. The solution technique is an interior point method that uses logarithmic barrier functions to treat the inequality constraints. The authors describe computational issues arising in the implementation of the algorithm. Numerical results are given for systems ranging in size from six to 118 buses.
- OSTI ID:
- 78236
- Journal Information:
- IEEE Transactions on Power Systems, Journal Name: IEEE Transactions on Power Systems Journal Issue: 2 Vol. 10; ISSN ITPSEG; ISSN 0885-8950
- Country of Publication:
- United States
- Language:
- English
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