1. Sensitivity of power systems;Peschon;IEEE Trans.,1968
2. Real time control of system voltage and reactive power;Hano;IEEE Trans.,1969
3. An optimization technique for real and reactive power allocation;Dopazo;Proc. IEEE,1967
4. Qualitative indices for the system voltage and reactive power control;Savvlescu;IEEE Trans.,1976
5. Optimal control of reactive power flow for improvements in voltage profiles and for power loss minimization;Mamandur;IEEE Trans.,1981