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:
May. 08, 2012
Filed:
Feb. 24, 2011
Ajit W. Kane, Dover, PA (US);
Ivan Jadric, York, PA (US);
Shreesha Adiga-manoor, York, PA (US);
Michael Todd, Jacobus, PA (US);
Konstantin Borisov, York, PA (US);
Ajit W. Kane, Dover, PA (US);
Ivan Jadric, York, PA (US);
Shreesha Adiga-Manoor, York, PA (US);
Michael Todd, Jacobus, PA (US);
Konstantin Borisov, York, PA (US);
Johnson Controls Technology Company, Holland, MI (US);
Abstract
Systems and methods for improved VSDs are provided. One embodiment relates to an apparatus for common mode and differential mode filtering for motor or compressor bearing protection when operating with VSDs, including conducted EMI/RFI input power mains mitigation. Another embodiment relates to a method to extend the synchronous operation of an Active Converter to the AC mains voltage during complete line dropout. Another embodiment relates to an Active Converter-based Variable Speed Drive system with Improved Full Speed Efficiency.