Computation of optimal reclosure time for transmission lines

The reclosing time of a transmission line has a distinct influence on system stability. A new method of calculating the optimal reclosing time based on the transient energy function (TEF) is presented in this paper. It has been shown that an optimal reclosing time can be used to set the autoreclosin...

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Bibliographic Details
Published in:IEEE transactions on power systems 2002-08, Vol.17 (3), p.670-675
Main Authors: Zhang, B.H., Yuan, Y.C., Chen, Zhe, Bo, Z.Q.
Format: Article
Language:English
Subjects:
Acceleration
Circuit breakers
Circuit faults
Computer simulation
Devices
Fatigue
Generators
Mathematical models
Optimization
Power system modeling
Power system transients
Power transmission lines
Shafts
Stability
Systems stability
Transient energy function
Transmission lines
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Summary:The reclosing time of a transmission line has a distinct influence on system stability. A new method of calculating the optimal reclosing time based on the transient energy function (TEF) is presented in this paper. It has been shown that an optimal reclosing time can be used to set the autoreclosing device so that the system stability or power-transfer capability can be significantly improved. Though power-system TEF is based on classical models, the results from simulation studies of a real system (46 generators and 230 buses) with complex models show that the optimal reclosing time calculated using TEF can be used effectively.
ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2002.800910