An apparatus (10) to perform power factor correction is provided. The apparatus includes fixed capacitors connected to a power line (30) through a first control switch (40). The apparatus includes variable capacitors connected to the power line through a second control switch (60). The apparatus includes a control u...

An assembly (100) for charging multiple electric vehicles concurrently is disclosed. The assembly includes a transformer-rectifier unit (105) to produce a direct current bus (110) as an output to charge a plurality of electric vehicles (115). A primary winding (120) arranged in delta configuration receives a high vo...