The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 24, 1976
Filed:
Mar. 12, 1975
Kurt Fork, Erlangen, DT;
Kraftwerk Union Aktiengesellschaft, Mulheim (Ruhr), DT;
Abstract
An overload protection device for a turboset including an alternating current generator, a turbine for the drive thereof, and a network supplied from the generator when disconnecting any short circuit within the network comprises a memory connected to the generator for storing a voltage vector corresponding to positive sequence components obtained therefrom prior to the occurrence of a fault in the network, a comparison circuit connected to the memory and to the generator for comparison of of the stored voltage vector with a voltage vector corresponding to positive sequence components obtained from the generator following occurrence of the fault to generate a difference value, and a switch interconnected between the network and the generator for being released upon the difference value exceeding a predetermined value.