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:
Jun. 29, 2021
Filed:
Jun. 14, 2018
Applicant:
Eaton Intelligent Power Limited, Dublin, IE;
Inventors:
Haidong Zhang, Shanghai, CN;
Lin Yang, Jiangsu, CN;
Lili Du, Shanghai, CN;
Tao Xiong, Shanghai, CN;
Shifang Zhang, Shanghai, CN;
Assignee:
Eaton Intelligent Power Limited, Dublin, IE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08C 17/02 (2006.01); H02M 1/08 (2006.01); H03K 17/60 (2006.01); H02M 7/04 (2006.01);
U.S. Cl.
CPC ...
G08C 17/02 (2013.01); H02M 1/08 (2013.01); H03K 17/60 (2013.01); H02M 7/04 (2013.01);
Abstract
A system for controlling delivery of power to a load includes a master control unit (MCU) and a synchronous solid-state relay. The MCU causes the relay to close when the voltage delivered to the relay is at a zero crossing state. The MCU causes the relay to open at either (a) the moment when the voltage delivered to the relay is at a zero crossing state, or (b) the moment that the current delivered to the relay is both over a threshold level and at a zero crossing state.