Electricity meter with a switching mode transformer power supply

Details Electricity meter with a switching mode transformer power supply Electricity meter with a switching mode transformer power supply

1998-06-24

1999-10-26

Berhane, Adolf Deneke

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363131, H02M 3335

Patent

active

059739410

ABSTRACT:
An electronic electricity meter comprising a measuring circuit and a power supply circuit. The power supply circuit comprises a main capacitor and a transformer controlled by a switching mode circuit. The transformer has an additional winding between the core and the primary and an integrator circuit rated to supply at its output a voltage image substantially proportional to the main capacitor voltage.

REFERENCES:
patent: 5291386 (1994-03-01), Wu
patent: 5414610 (1995-05-01), Brainard
patent: 5825638 (1998-10-01), Shutts
patent: 5841641 (1998-11-01), Faullk

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