초록 ▼

An electrical power transfer apparatus for connecting to a multiphase power line carrying a AC signal having a period of T.sub.AC, the apparatus including: a capacitive storage circuit; a plurality of charge transfer circuits connected to the capacitive storage circuit and each of which is connected

An electrical power transfer apparatus for connecting to a multiphase power line carrying a AC signal having a period of T.sub.AC, the apparatus including: a capacitive storage circuit; a plurality of charge transfer circuits connected to the capacitive storage circuit and each of which is connected to a different phase of the multiphase power line, wherein during operation the charge transfer circuits resonantly transfer power to and from the multiphase power line and capacitive storage circuit, wherein the resonant transfers to and from the capacitive charge storage circuit occur with a resonant frequency at least as great as 1/T.sub.AC ; and a control circuit coupled to the plurality of charge transfer circuits and which during operation causes the plurality of charge transfer circuits to transfer power between different phases of the multiphase power line via the capacitive storage circuit.

대표청구항 ▼

[ I claim as my invention:] [1.] An electrical power transfer apparatus for connecting to a power line carrying an AC signal having a period of T.sub.AC, said apparatus comprising:a capacitive storage circuit;a charge transfer circuit connected to the capacitive storage circuit which during operatio

[ I claim as my invention:] [1.] An electrical power transfer apparatus for connecting to a power line carrying an AC signal having a period of T.sub.AC, said apparatus comprising:a capacitive storage circuit;a charge transfer circuit connected to the capacitive storage circuit which during operation resonantly transfers power from the power line to the capacitive storage during a power extraction phase of operation and resonantly transfers power from the capacitive storage circuit to the power line during a power injection phase of operation, wherein the resonant transfers of power to and from the capacitive charge storage circuit occur with a resonant frequency at least as great as 1/T.sub.AC ; anda control circuit coupled to the power transfer circuit and which during operation causes the power transfer circuit to perform a sequence of power extraction and power injection phases of operation.