Patent · US Active

Shaft-driven generator system

US9088229B2 · kind B2 · utility

1Cited by

2References

8Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Christoph Brunotte · Erlangen, DE
Marc Hiller · Lauf an der Pegnitz, DE
Rainer Sommer · Heroldsbach, DE

Key dates

Filing date	May 2, 2011
Grant date	Jul 21, 2015
Priority date	—
Expiry date	Jul 22, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T70/50
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A shaft-driven generator system has a generator connected to a converter. An inverter supplies an AC voltage on a network side. The converter and the inverter are linked via a DC link circuit. The inverter has at least two phase modules, which each have an upper and a lower valve branch, which each have a plurality of two-pole sub-systems connected electrically in series. Each sub-system has a unipolar storage capacitor, to which a series circuit of two gate-controlled turn-off semiconductor switches is connected electrically in parallel. Each semiconductor switch has a diode connected antiparallel therewith. Thus, a shaft-driven generator system is obtained that has a DC-link converter as a static frequency converter for complying with the required network feedback and for managing transient operating states.

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