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公开(公告)号：US20240011847A1
公开(公告)日：2024-01-11
申请号：US18216673
申请日：2023-06-30
Applicant: Eaton Intelligent Power Limited
Inventor： Bubathi Muruganantham , Prasad Arvind Venikar , Balachandar D , Mugdha Vyankatesh Limaye , Mark Andre Faulkner , Travis Vernon Spoone , Robert Edward Page , Antonio Romero Oruga , Swetha Prakash
Abstract: An electrical apparatus includes: a housing that defines an interior space; an active portion in the interior space, the active portion including one or more electrically conductive coils; a fluid in the interior; and a control system configured to: determine a difference between a measured temperature of the fluid and an estimated temperature of the fluid; and determine whether a performance condition exists based on the difference.
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公开(公告)号：US20240019502A1
公开(公告)日：2024-01-18
申请号：US18216667
申请日：2023-06-30
Applicant: Eaton Intelligent Power Limited
Inventor： Bubathi Muruganantham , Prasad Arvind Venikar , Balachandar D , Mugdha Vyankatesh Limaye , Mark Andre Faulkner , Travis Vernon Spoone , Robert Edward Page , Antonio Romero Oruga , Swetha Prakash
IPC: G01R31/62
CPC classification number: G01R31/62
Abstract: A system includes: an electrical apparatus that includes: a housing that defines an interior space; an active portion in the interior space; and insulation configured to electrically insulate at least part of the active portion. The system also includes a monitoring apparatus configured to: receive measured data from the electrical apparatus; determine a load forecast for the electrical apparatus based on the measured data; determine whether a pre-determined time interval has elapsed; and after the pre-determined time interval has elapsed: estimate an actual amount of life lost for the insulation during the pre-determined time interval that elapsed based on the measured data; estimate a predicted amount of life lost for the insulation during one or more future time intervals based on the load forecast; and estimate a remaining service life for the electrical apparatus based on the actual amount of life lost and the predicted amount of life lost.
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公开(公告)号：US20220025891A1
公开(公告)日：2022-01-27
申请号：US17380531
申请日：2021-07-20
Applicant: Eaton Intelligent Power Limited
Inventor： Sneha Abhyankar , Gurmeet Singh , Santosh Kr Sharma , Swetha Prakash , Amresh Kumar , Ragini Jain , Steven Andrew Dimino , David Glenn Loucks
Abstract: A control system includes: a controller configured to: access an estimated torque and estimated speed of a motor mechanically coupled to an impeller of a centrifugal machine; access at least one set of pre-determined performance data values associated with a known speed of the impeller, where each set of pre-determined performance data values includes: a plurality of flowrate values and a plurality of performance metric values; determine an operating point of the centrifugal machine based on the estimated torque, the estimated speed, and the at least one set of pre-determined performance data values; compare the determined operating point to a best efficiency point (BEP) associated with the centrifugal machine; and determine whether to change the speed of the motor based on the comparison.
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