公开(公告)号：US20240312688A1

公开(公告)日：2024-09-19

申请号：US18183710

申请日：2023-03-14

Applicant: Schweitzer Engineering Laboratories, Inc.

Inventor： Timothy M. Minteer ,  David Kenny ,  Johnny J. Moore ,  Raymond W. Rice ,  Benjamin T. Rowland ,  Lyssa W. Blood ,  Brett Taggart

IPC: H01F27/06 ,  G01R21/00 ,  H01F27/29 ,  H01F38/28 ,  H02J50/00

CPC classification number: H01F27/06 ,  G01R21/00 ,  H01F27/29 ,  H01F38/28 ,  H02J50/001

Abstract: A current transformer (CT) isolation clamp is mounted to a phase conductor and includes a step-down CT transformer and a passive isolation transformer. A three-phase power-harvesting sensor system includes a plurality of CT isolation clamps mounted to phase conductors in a three-phase power system. An electronics module is connected to the CT isolation clamps. The electronics module may include a sensing circuit to determine power characteristics of the three-phase power system based on the outputs of the CT isolation clamps. The electronics module may include a communication subsystem to transmit the determined power characteristics to local or remote devices. Additionally, the electronics module may include a power harvesting circuit to harvest power to operate the sensing circuit and the communication subsystem.

公开(公告)号：US20240153700A1

公开(公告)日：2024-05-09

申请号：US18052395

申请日：2022-11-03

Applicant: Schweitzer Engineering Laboratories, Inc.

Inventor： David Kenny ,  Brett Taggart ,  Timothy M. Minteer

IPC: H01F41/074 ,  H02J50/00 ,  H02J50/10

CPC classification number: H01F41/074 ,  H02J50/001 ,  H02J50/10 ,  H01F2041/0711

Abstract: Systems and methods include using a magnetic core winder to install a powerline-mounted device with a non-gapped magnetic core, therefore reducing the weight of the powerline-mounted device while still harvesting equal or more power than a large cross-sectional and gapped magnetic cores. In particular, the methods include installing bobbin(s) and a core housing on a powerline and winding strip/ribbon core material onto the core housing. The bobbins may be wound axially opposed to on a toroid winder, which improves the accuracy of turns count of the magnetic core. The improved accuracy of turns count may increase the accuracy and/or tolerance of magnetic component(s) of the powerline-mounted device.