Safety system and method for pump and motor
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United States of America Patent
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Jul 18, 2017
Grant Date -
Feb 13, 2014
app pub date -
Oct 17, 2013
filing date -
Jun 9, 2009
priority date (Note) -
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Abstract
Embodiments of the invention provide a variable frequency drive system and a method of controlling a pump driven by a motor with the pump in fluid communication with a fluid system. The drive system and method can provide one or more of the following: a sleep mode, pipe break detection, a line fill mode, an automatic start mode, dry run protection, an electromagnetic interference filter compatible with a ground fault circuit interrupter, two-wire and three-wire and three-phase motor compatibility, a simple start-up process, automatic password protection, a pump out mode, digital input/output terminals, and removable input and output power terminal blocks.
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