Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 10, 2016
Patent Application Number
13661257
Date Filed
October 26, 2012
Patent Citations Received
Patent Primary Examiner
Patent abstract
A UPS system includes an inverter circuit having an input coupled to a DC link and an output configured to be coupled to a load and a gang switch (e.g., a contactor) configured to couple and decouple the DC link to and from a DC power source and to couple and decouple a neutral point of the inverter circuit to and from a ground node. The gang switch may be configured to couple the neutral point to the ground node when the DC link is coupled to the DC power source and to decouple the neutral point from the ground node when the DC link is decoupled from the DC power source.
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