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:
Mar. 12, 2024
Filed:
Nov. 07, 2019
Bombardier Transportation Gmbh, Berlin, DE;
BOMBARDIER TRANSPORTATION GMBH, Berlin, DE;
Abstract
A voltage source converter has a half bridge () with two current valves () connected in series and an arrangement configured to carry out voltage measurements for determining a value of the DC voltage between opposite poles () of a DC side of the converter. Each current valve comprises a semiconductor device () controlled by an associated gate drive member (), each forming gate drive parts of one gate drive unit () in common to both current valves. The gate drive unit () comprises an isolated two-way communication link () between the gate drive members. The arrangement is included in the gate drive unit and configured to measure the entire DC voltage between said opposite poles (). A converter control device () calculates and sends control signals to the gate drive unit based on the result of the voltage measurement.