SYSTEMS FOR A CHILLER ELECTRICAL ENCLOSURE
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United States of America Patent
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Issued Date -
Jun 24, 2021
app pub date -
Oct 10, 2018
filing date -
Oct 10, 2018
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status (Latency Note)
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Abstract
In an embodiment of the present disclosure, a heating, ventilation, air conditioning, and refrigeration (HVAC&R) system includes a variable speed drive (VSD) enclosure. The VSD enclosure includes a main drive line variable speed drive (VSD) configured to supply power to a motor, and an oil pump variable speed drive (VSD) configured to supply power to a pump. The pump is configured to supply oil to one or more moving parts of the HVAC&R system. Additionally or in the alternative to the oil pump VSD, the VSD enclosure includes a magnetic bearing controller and/or a magnetic bearing controller power supply. The magnetic bearing controller is configured to control magnetic bearings of the HVAC&R system.
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