Patent · US Active

Compensation device for compensating for leakage currents

US11320494B2 · kind B2 · utility

0Cited by

2References

11Claims

0Family size

Assignee

Dr. Ing. h.c. F. Porsche AG · DE

Inventors

Tim Pfizenmaier · Leonberg, DE
Daniel Spesser · Mühlacker, DE
Florian Mayer · Freiberg am Neckar, DE

Key dates

Filing date	Aug 17, 2020
Grant date	May 3, 2022
Priority date	—
Expiry date	Oct 2, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T90/12
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A compensation device (20) for compensating for leakage currents has a differential current measuring device (22), a supply network detection device (42; 45), a control device (26), an amplifier (27), a compensation current selection device (36) and a feed-in device (39, 41). The supply network detection device (42; 45) generates a second signal (V_GRID; V_ES) characterizing the supply network (L1, L2, L3, N) connected to the active conductors (51, 52, 53, 54) and to supply it to the control device (26). The compensation current selection device (36) feeds in the compensation current (I_COMP) on the basis of a third signal (V_SEL) on at least one of the at least two different active conductors (51, 54), and the third signal (V_SEL) is dependent on the second signal (V_GRID; V_ES) to select at least one active conductor (51, 54) suitable for the connected supply network for the feed-in operation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.