Ausgleichsschaltung zur Kompensation von Magnetisierungsfehlern in Stromwandlern

Details

Veröffentlichungs-Nr.

EP3182141

Aktenzeichen

EP16202887

Anmeldetag

8. Dezember 2016

Veröffentlichung

27. November 2024

Erteilung

27. November 2024

Rechtsraum

EP

IPC

G01R15/08G01R15/18// G01R19/00G01R19/02G01R19/22H02H1/06H01F27/42H01F38/38

Abstract

The invention is about an electrical installation device (20), operable to connect an electric main circuit, and to achieve device functionalities, said installation device (20) having at least one current transformer (4) coupled to the electric main circuit, the secondary terminals (4b) of the transformer (4) being connected to an electronic circuit, said electronic circuit being operable to process the secondary current and to employ the secondary current for achieving device functionalities, wherein the electronic circuit comprises a rectifier (12) to rectify the secondary current, wherein the electrical installation device (20) has a compensation signal circuit (33b), said compensation signal circuit (33b) being operable to add a controlled compensation signal to the rectified secondary current

Anmelder

Firma

ABB Schweiz AG

Land

🇨🇭 Schweiz

Fachgebiete