公开(公告)号：US20230178322A1

公开(公告)日：2023-06-08

申请号：US17987024

申请日：2022-11-15

Applicant: Eaton Intelligent Power Limited

Inventor： Sonal Arora ,  Aarti Kothe ,  Nilesh Kadam ,  Mayank Jain ,  Ragini Jain

IPC: H01H71/10 ,  G01R15/18 ,  G01R19/00

CPC classification number: H01H71/10 ,  G01R15/181 ,  G01R19/0092

Abstract: An apparatus includes: a plurality of separable load break devices, each separable load break device including: a resettable current interruption device associated with operating states, the operating states including at least a first operating state that prevents current flow in the resettable current interruption device and a second operating state that allows current flow in the resettable current interruption device; a switch control configured to control the operating state of the resettable current interruption device; a connection interface configured to mechanically connect the load break device to a separate electrical device and to electrically connect the resettable current interruption device to the separate electrical device; and an electrical interface configured to electrically connect the resettable current interruption device to a load. The apparatus also includes a control system configured to provide electrically ganged operation of the plurality of load break devices.

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

IPC: F04D15/00 ,  F04D13/06

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.