公开(公告)号：US20200072089A1

公开(公告)日：2020-03-05

申请号：US16121468

申请日：2018-09-04

Applicant: Electric Power Research Institute, Inc

Inventor： Merrill Stanton Quintrell

IPC: F01K23/10 ,  F02C7/18

Abstract: The invention provides various designs of an apparatus and method for attemperating a gas stream temperature. The apparatus of the present invention provides a body through which a gas stream passes that permits, as desired, a second gas, such as gas outside of the gas duct or such as ambient air, to be added to the main gas stream to attemperate the temperature of the main gas stream. The body or device may be referred to as a variable eductor having a plurality of openings through which a second gas may pass into the main gas stream. The openings may be opened or closed, and the variable eductor provides control over which openings and the degree to which each opening is opened. In some designs the variable eductor is inserted between two portions of a gas duct. The variable eductor has widespread application, such as downstream of a gas turbine to attemperate the exhaust gas temperature during startup.

公开(公告)号：US10243332B1

公开(公告)日：2019-03-26

申请号：US15695404

申请日：2017-09-05

Applicant: Electric Power Research Institute, Inc.

Inventor： Tiebin Zhao ,  Jay A. Williams

IPC: F16L1/032 ,  F16L55/18 ,  H02G1/08 ,  H02G9/06 ,  F16L1/06 ,  F16L55/165

Abstract: A method of replacing pipe-type power cables is disclosed. The method includes the steps of using a pipe cutting rod to burst existing pipe; using an expander to expand soil surrounding the existing pipe to create a path for a new conduit or pipe; pulling the new conduit or pipe into the path created by the expander; and pulling new cables into the conduit or pipe.

公开(公告)号：US10209293B2

公开(公告)日：2019-02-19

申请号：US15646519

申请日：2017-07-11

Applicant: Electric Power Research Institute, Inc.

Inventor： Andrew John Phillips ,  Christiaan Engelbrecht ,  Robert Carlton Lynch ,  J. Mark Major

IPC: G01R31/12 ,  G01R15/18 ,  H01C7/12 ,  G01R31/14

Abstract: A sensor to monitor health of surge arresters such as metal oxide arresters is disclosed. The sensor including a housing; a sensor assembly contained in the housing, and a voltage measurement strap extending around a periphery of the housing. The voltage measurement strap being electrically connected to the electronics board and configured to measure voltage using electric field. The sensor assembly including: an electronics board to receive, transmit, process, and store signals; a Rogowski coil electrically connected to the electronics board to measure surge currents diverted by the surge arrestor; and a current transformer electrically connected to the electronics board to measure leakage current.

公开(公告)号：US10073131B2

公开(公告)日：2018-09-11

申请号：US15067322

申请日：2016-03-11

Applicant: ELECTRIC POWER RESEARCH INSTITUTE, INC.

Inventor： Andrew John Phillips ,  J. Mark Major ,  Robert Carlton Lynch ,  Lester Ray Harrell

IPC: H01H31/12 ,  G01R31/12 ,  G01R27/26 ,  H01B17/04

CPC classification number: G01R31/1263 ,  G01R27/2617 ,  H01B17/04

Abstract: An apparatus for evaluating an electrical insulator includes: a frame having a base and a pair of spaced-apart resilient arms each having a distal end; and a flexible probe disposed between the arms, the flexible probe being generally U-shaped and having a pair of distal ends, each distal end of the probe being connected to a respective distal end of one of the arms.

公开(公告)号：US09970759B2

公开(公告)日：2018-05-15

申请号：US14474733

申请日：2014-09-02

Applicant: Electric Power Research Institute, Inc.

Inventor： Andrew John Phillips

IPC: G01R15/18 ,  G01C9/02 ,  H02G1/02 ,  H02G7/02

CPC classification number: G01C9/02 ,  H02G1/02 ,  H02G7/02

Abstract: A sensor and method for identifying a downed power transmission conductor or structure is disclosed. The method includes the steps of securing a sensor to a power transmission conductor or structure, using the sensor to measure inclination of the power transmission conductor or structure, comparing the measured inclination to a set threshold, and alerting a utility if the measured inclination exceeds the set threshold.

公开(公告)号：US20180017610A1

公开(公告)日：2018-01-18

申请号：US15646519

申请日：2017-07-11

Applicant: Electric Power Research Institute, Inc.

Inventor： Andrew John Phillips ,  Christiaan Engelbrecht ,  Robert Carlton Lynch ,  J. Mark Major

IPC: G01R31/12 ,  G01R15/18 ,  H01C7/12

CPC classification number: G01R31/1236 ,  G01R15/181 ,  G01R31/14 ,  H01C7/12

Abstract: A sensor to monitor health of surge arresters such as metal oxide arresters is disclosed. The sensor including a housing; a sensor assembly contained in the housing, and a voltage measurement strap extending around a periphery of the housing. The voltage measurement strap being electrically connected to the electronics board and configured to measure voltage using electric field. The sensor assembly including: an electronics board to receive, transmit, process, and store signals; a Rogowski coil electrically connected to the electronics board to measure surge currents diverted by the surge arrestor; and a current transformer electrically connected to the electronics board to measure leakage current.

公开(公告)号：US09866064B2

公开(公告)日：2018-01-09

申请号：US15159286

申请日：2016-05-19

Applicant: ELECTRIC POWER RESEARCH INSTITUTE, INC.

Inventor： Andrew John Phillips

IPC: H02J13/00 ,  G01N25/72 ,  G01R31/327 ,  H02B5/00 ,  H02J11/00 ,  G01K7/02

CPC classification number: H02J13/0017 ,  G01K7/02 ,  G01N25/72 ,  G01R31/3274 ,  H02B5/00 ,  H02J11/00 ,  H02J13/0075 ,  Y02E60/723 ,  Y02E60/7853 ,  Y04S10/16 ,  Y04S40/126

Abstract: An apparatus and method for continuously monitoring substation disconnects and transmission line switches to detect improper closing of the disconnects or switches is disclosed. The method includes the step of providing an apparatus adapted to measure, process, and transmit data associated with a disconnect or switch. The method further includes the steps of positioning the apparatus on or in close proximity to the disconnect or switch, using the apparatus to collect data of the disconnect or switch and processing the data for transmission to a remote receiver, and transmitting the processed data to a remote receiver.

公开(公告)号：US20170208039A1

公开(公告)日：2017-07-20

申请号：US15381265

申请日：2016-12-16

Applicant: ELECTRIC POWER RESEARCH INSTITUTE, INC.

Inventor： Timothy Godfrey

IPC: H04L29/06 ,  H04W12/08 ,  H04W76/02 ,  H04L12/46 ,  H04L29/08

CPC classification number: H04L63/0272 ,  G06F9/00 ,  H04L12/4633 ,  H04L12/4641 ,  H04L63/029 ,  H04L67/141 ,  H04W12/00516 ,  H04W12/08 ,  H04W76/11 ,  H04W76/12 ,  H04W84/12

Abstract: A method for providing a virtual Wi-Fi network with secure tunnel provisioning is disclosed. The method provides a reliable, persistent connection between wireless communications enabled devices located at a user's premises and a service provider, and includes the steps of using a software code running on a computing device to pass instructions including a remote server address to an Application Programming Interface (API) running on a wireless router connected to the computing device through a Local Area Network (LAN); using the wireless router to establish a secure communication session with the remote server through a Wide Area Network (WAN); receiving at the wireless router through the WAN parameters required to set up a wireless Virtual Local Area Network (VLAN); and using the router, establishing a wireless VLAN at the user's premises and connecting the wireless VLAN to the remote server through the WAN using a secure tunnel connection.

公开(公告)号：US20170199533A1

公开(公告)日：2017-07-13

申请号：US15386024

申请日：2016-12-21

Applicant: Electric Power Research Institute Inc.

Inventor： Norman D. MCCOLLOUGH

IPC: G05F1/335 ,  H01F38/34 ,  G05F1/325

CPC classification number: G05F1/335 ,  G05F1/325 ,  H01F38/14 ,  H01F38/22 ,  H01F2038/305

Abstract: A device for harvesting energy from a power line carrying AC current including: a transformer having a core with separate first and second sections, the core being formed of ceramic material or layered nickel alloy tape; a first secondary winding wound around the first section of the core; a second secondary winding wound around the second section of the core; a first DC core-flux control winding wound around the first section of the core; and a second DC core-flux control winding wound around the second section of the core; wherein the core is configured to be in operative communication with a magnetic field radiated from the power line, such that an AC voltage is generated in the first and second secondary windings, and the maximum AC voltage produced by the first and second secondary windings is limited by the first and second DC core-flux control windings.

公开(公告)号：US20160322865A1

公开(公告)日：2016-11-03

申请号：US15159286

申请日：2016-05-19

Applicant: ELECTRIC POWER RESEARCH INSTITUTE, INC.

Inventor： Andrew John Phillips

IPC: H02J13/00 ,  G01N25/72 ,  G01R31/327

CPC classification number: H02J13/0017 ,  G01K7/02 ,  G01N25/72 ,  G01R31/3274 ,  H02B5/00 ,  H02J11/00 ,  H02J13/0075 ,  Y02E60/723 ,  Y02E60/7853 ,  Y04S10/16 ,  Y04S40/126

Abstract: An apparatus and method for continuously monitoring substation disconnects and transmission line switches to detect improper closing of the disconnects or switches is disclosed. The method includes the step of providing an apparatus adapted to measure, process, and transmit data associated with a disconnect or switch. The method further includes the steps of positioning the apparatus on or in close proximity to the disconnect or switch, using the apparatus to collect data of the disconnect or switch and processing the data for transmission to a remote receiver, and transmitting the processed data to a remote receiver.

Abstract translation: 公开了一种用于连续监测变电站断开和传输线路开关以检测断路器或开关的不正确闭合的装置和方法。 该方法包括提供适于测量，处理和发送与断开或切换相关联的数据的装置的步骤。 所述方法还包括以下步骤：使用所述设备收集所述断开或开关的数据并处理所述数据以传输到远程接收器，并将处理后的数据发送到 远程接收器。