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This paper deals with feasible solutions for the problem regarding the automatic power factor improvement of the monophase RL loads, fed by switching voltage and performed by means of the FC-TCR systems. After carryng out an adimensional analysis on the values o f the load power under different conditions, we detect which are the intervention possibilities by a variable power factor improvement (p.f.i.) system. The functions binding the firing angles of all the present switching devices are deduced, for the different considered systems, in order to achieve the required p.f.i. These quantities derive from the set FC-TCR system-load and are calculated in order to find some choice criterions regarding the most suitable system we can use. |
