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. 13, 2002
Filed:
May. 29, 2001
Colin David Schauder, Murrysville, PA (US);
Siemens Power Transmission & Distribution Inc, Wendell, NC (US);
Abstract
A high power dc power regulator utilizes a voltage sourced inverter connected on the ac side in series with a large inductance to an ac power system through a coupling transformer. The dc side of the inverter is connected to the dc load. The inductance is sized such that the voltage at the ac terminals of the inverter can be varied from zero to a maximum specified value for use, for example, in melting ice on transmission lines. As there is only infrequent need for ice melting operation, the large inductance can be shunted and the dc load disconnected so that the inverter may be operated for the majority of the time as a conventional STATCOM to provide reactive compensation for the ac power system.