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:
Jan. 24, 2023
Filed:
Apr. 20, 2017
Applicant:
Siemens Energy Global Gmbh & Co. KG, Munich, DE;
Inventors:
Assignee:
SIEMENS ENERGY GLOBAL GMBH & CO. KG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/32 (2006.01); H01F 37/00 (2006.01); H01F 27/36 (2006.01); H01F 41/04 (2006.01);
U.S. Cl.
CPC ...
H01F 27/32 (2013.01); H01F 27/36 (2013.01); H01F 27/363 (2020.08); H01F 37/005 (2013.01); H01F 41/043 (2013.01); H01F 2027/329 (2013.01);
Abstract
A high voltage direct current energy transmission (HVDCT) air-core inductor includes at least one concentric winding layer having electric terminals are formed at its ends, and includes an electrostatic shield that has a layer of electrostatically dissipative material having a surface resistance ranging from 109 to 1014 ohm/square, wherein at least one end of the layer is provided with a collector electrode that extends essentially along the circumference of the end of the layer and that is to be connected to one of the terminals, and where the layer is designed as a spray coating on an outer surface of an exterior winding layer.