Patent · US Expired

Circuit and method for triggering an over-voltage protection unit

US6137667A · kind A · utility

2Cited by

1References

8Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Bernhard Sieben · Schwanau, DE
Roland Krimmer · Germering, DE
Ludwig Dirscherl · Birkenfeld, DE

Key dates

Filing date	Dec 22, 1998
Grant date	Oct 24, 2000
Priority date	—
Expiry date	Dec 22, 2018

Classification

Technology area (CPC G)Physics
CPC primaryG01R31/3277
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In a circuit and method for triggering an over-voltage protection unit, a trigger voltage for an over-voltage protection unit is achieved either by a disconnection voltage of a coil or by a charge process of a capacitor. For feeding these reactances, a signal generator is used.

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