Application of Support Vector Network for Power System Static Security Evaluation

Ashok Kumar Mehta, Kesab Bhattacharya and Dipak Ray
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Ashok Kumar Mehta: Department of Computer Applications, National Institute of Technology, Jamshedpur, India
Kesab Bhattacharya: Department of Electrical Engineering, Jadavpur University, Kolkata, India
Dipak Ray: West Bengal State Electricity Transmission Company Limited (WBSETCL), Kolkata, India

International Journal of Energy Optimization and Engineering (IJEOE), 2015, vol. 4, issue 1, 55-67

Abstract: This paper uses Support Vector Network (SVN) to examine whether the power system is secured under steady-state operating conditions. A system is considered operationally reliable if the load bus voltages do not fall below a certain limit and if the power flow through lines does not exceed the corresponding allowable values. SVN determines the minimum bus voltage and maximum ratio of line-flow to permissible line-flow. The input variables to the network are the active power of the load buses, power factor of the loads and the net generated powers of the generating buses. IEEE 14-bus system has been taken as an example. The proper kernel function and optimal value of C i. e. penalty parameter has been calculated. A comparison of the performance of SVN and ANN with those calculated by fast decoupled load flow is carried out. Results of the SVN closely agree with that obtained by fast decoupled load-flow and ANN in the case of proportional input vector. ANN is not suitable in the case of disproportionate input vector whereas SVN overcomes this disadvantage.

Date: 2015
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