A critical switching flow index for transient stability assessment in smart grid topology control

Smart grid topology control makes power system more flexible and efficient. For example, it has been demonstrated that economic benefit and corrective action in contingency can be achieved by topology control. However, transient stability is a major concern in applying smart grid topology control since a potential large disturbance of line flows is involved. In this paper, a critical switching flow concept is proposed as a transient stability index to assess system transient stability associated with topology control. This new index is based on system worst scenario in offline study and thus can be used to evaluate switching plan and avoid transient instability in real time operation without online dynamic simulations. Monte Carlo based algorithm is developed to determine critical switching flow for planned system and validated in simplified WSCC 9 bus system and IEEE 24 bus reliability test system to demonstrate a potential use of the new concept.

[1]  R.P. O'Neill,et al.  Optimal Transmission Switching With Contingency Analysis , 2010, IEEE Transactions on Power Systems.

[2]  Parviz Rastgoufard,et al.  A fast search algorithm for Critical Clearing Time for power systems transient stability analysis , 2014, 2014 Clemson University Power Systems Conference.

[3]  Jun Liu,et al.  A Novel intelligent high voltage SF6 circuit breaker , 2010, IEEE PES General Meeting.

[4]  A. Philpott,et al.  Line capacity expansion and transmission switching in power systems with large-scale wind power , 2013, IEEE Transactions on Power Systems.

[5]  Hemanshu R. Pota,et al.  Quantitative assessment and comparison of fault responses for synchronous generator and wind turbine generators based on modified transient energy function , 2014 .

[6]  Michael Ferris,et al.  Co-optimization of generation unit commitment and transmission switching with N-1 reliability , 2010, IEEE PES General Meeting.

[7]  Kory W. Hedman,et al.  A review of transmission switching and network topology optimization , 2011, 2011 IEEE Power and Energy Society General Meeting.

[8]  R. Billinton,et al.  Probabilistic Evaluation of Transient Stability of a Wind Farm , 2009, IEEE Transactions on Energy Conversion.

[9]  Tian Lan,et al.  Transmission line switching in power system planning with large scale renewable energy , 2015, 2015 First Workshop on Smart Grid and Renewable Energy (SGRE).

[10]  Wenzong Wang,et al.  Stability Issues of Smart Grid Transmission Line Switching , 2014 .

[11]  V. Vittal,et al.  Impact of Increased Penetration of DFIG-Based Wind Turbine Generators on Transient and Small Signal Stability of Power Systems , 2010, IEEE Transactions on Power Systems.

[12]  Mohammad Shahidehpour,et al.  The IEEE Reliability Test System-1996. A report prepared by the Reliability Test System Task Force of the Application of Probability Methods Subcommittee , 1999 .

[13]  Roy Billinton,et al.  Probabilistic transient stability studies using the method of bisection [power systems] , 1996 .

[14]  V. Vittal,et al.  Corrective switching algorithm for relieving overloads and voltage violations , 2005, IEEE Transactions on Power Systems.

[15]  Garng M. Huang,et al.  A Novel Smart High-Voltage Circuit Breaker for Smart Grid Applications , 2011, IEEE Transactions on Smart Grid.