A single-stage-transformer-flyback topology operates from ac-line voltage but has a different switching control that directly gives an isolated low-voltage output at a high power-factor figure (Figure ...

So power factor is the proportion of power converted into useful work to the total power consumed by the loads or delivered by the power source. The power not converted into useful work is called ...

Although power factor sweep measurements can be performed on the “overall” winding insulation of a power transformer, this paper focuses on applying the sweep measurements to the C1 insulation of ...

By integrating power factor correction capability into a flyback controller IC, the circuit complies with the IEC 61000-3-2 Harmonic Current Emissions Standard for equipment up to 100 W. The IC ...

We observe that the transformers’ power factor of Rafsanjan-Kerman and Sarcheshmeh-Kerman (wye connection on 230 kV side) substations decreased to less than 0.7 and correlated with SYM-H.

The phrase power factor frequently is used in the electrical and power electronics industry. For example, home, office, and industrial electrical equipment often is fitted with power factor ...