M.Sc. THESIS

D. Bajs, Economical and Technical Approach to Transmission Network Planning, M.Sc. Thesis, University of Zagreb, Faculty of Electrical Engineering and Computing, Dept. Power Systems, Zagreb, Croatia, December 2000

Description: M.Sc. thesis deals with transmission network planning approach based on economical and technical calculations using two methods: Mexico method for annual operational costs and unsupplied electrical energy costs estimation, and AC power flow method for voltage profile and lines loading calculation for defined power system condition.

For the present configuration of the electric power system, annual operational costs, which include fuel costs and unsupplied electrical energy costs, are calculated. Weak parts of transmission network are detected, and the profitability of new lines or transformers is estimated. Only economically acceptable new lines are included in a network configuration for the studied year.

Technical calculations are done to optimize voltage profile on an economically acceptable network, and to point on the nodes where compensation devices should be installed, to determine power system transient and small signal stability, short circuit, and to examine other technical aspects of transmission network operation.

Results of such economical and technical approach to the power system test model planning are given.