Non-contact current and voltage sensor having detachable housing incorporating multiple ferrite cylinder portions

Carpenter, Gary D.; El-Essawy, Wael; Ferreira, Alexandre Peixoto; Keller, Thomas Walter; Rubio, Juan C.; Schappert, Michael A.

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A - human necessities
A01 - agriculture
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Title: Non-contact current and voltage sensor having detachable housing incorporating multiple ferrite cylinder portions

Abstract

A detachable current and voltage sensor provides an isolated and convenient device to measure current passing through a conductor such as an AC branch circuit wire, as well as providing an indication of an electrostatic potential on the wire, which can be used to indicate the phase of the voltage on the wire, and optionally a magnitude of the voltage. The device includes a housing formed from two portions that mechanically close around the wire and that contain the current and voltage sensors. The current sensor is a ferrite cylinder formed from at least three portions that form the cylinder when the sensor is closed around the wire with a hall effect sensor disposed in a gap between two of the ferrite portions along the circumference to measure current. A capacitive plate or wire is disposed adjacent to, or within, the ferrite cylinder to provide the indication of the voltage.

Inventors:: Carpenter, Gary D.; El-Essawy, Wael; Ferreira, Alexandre Peixoto; Keller, Thomas Walter; Rubio, Juan C.; Schappert, Michael A.

Issue Date:: 2016-04-26

Research Org.:: International Business Machines Corp., Armonk, NY (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1248868

Patent Number(s):: 9322855

Application Number:: 14/319,389

Assignee:: INTERNATIONAL BUSINESS MACHINES CORPORATION (Armonk, NY)

Patent Classifications (CPCs):: G - PHYSICS G01 - MEASURING G01R - MEASURING ELECTRIC VARIABLES

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G - PHYSICS G01 - MEASURING G01R - MEASURING ELECTRIC VARIABLES
G01R1/22 - Tong testers acting as secondary windings of current tranformers
G01R15/142 - {Arrangements for simultaneous measurements of several parameters employing techniques covered by groups G01R15/14 - G01R15/26}
G01R21/06 - by measuring current and voltage
G01R33/02 - Measuring direction or magnitude of magnetic fields or magnetic flux
G01R33/072 - {Constructional adaptation of the sensor to specific applications}

Show less

DOE Contract Number:: EE0002897

Resource Type:: Patent

Resource Relation:: Patent File Date: 2014 Jun 30

Country of Publication:: United States

Language:: English

Subject:: 24 POWER TRANSMISSION AND DISTRIBUTION; 47 OTHER INSTRUMENTATION

Citation Formats


                    Carpenter, Gary D., El-Essawy, Wael, Ferreira, Alexandre Peixoto, Keller, Thomas Walter, Rubio, Juan C., and Schappert, Michael A. Non-contact current and voltage sensor having detachable housing incorporating multiple ferrite cylinder portions.  United States: N. p., 2016. 
        Web.

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                    Carpenter, Gary D., El-Essawy, Wael, Ferreira, Alexandre Peixoto, Keller, Thomas Walter, Rubio, Juan C., & Schappert, Michael A. Non-contact current and voltage sensor having detachable housing incorporating multiple ferrite cylinder portions.  United States.

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                    Carpenter, Gary D., El-Essawy, Wael, Ferreira, Alexandre Peixoto, Keller, Thomas Walter, Rubio, Juan C., and Schappert, Michael A. Tue .  
        "Non-contact current and voltage sensor having detachable housing incorporating multiple ferrite cylinder portions".  United States.  https://www.osti.gov/servlets/purl/1248868.

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@article{osti_1248868,

  title        = {Non-contact current and voltage sensor having detachable housing incorporating multiple ferrite cylinder portions},

  author       = {Carpenter, Gary D. and El-Essawy, Wael and Ferreira, Alexandre Peixoto and Keller, Thomas Walter and Rubio, Juan C. and Schappert, Michael A.},

  abstractNote = {A detachable current and voltage sensor provides an isolated and convenient device to measure current passing through a conductor such as an AC branch circuit wire, as well as providing an indication of an electrostatic potential on the wire, which can be used to indicate the phase of the voltage on the wire, and optionally a magnitude of the voltage. The device includes a housing formed from two portions that mechanically close around the wire and that contain the current and voltage sensors. The current sensor is a ferrite cylinder formed from at least three portions that form the cylinder when the sensor is closed around the wire with a hall effect sensor disposed in a gap between two of the ferrite portions along the circumference to measure current. A capacitive plate or wire is disposed adjacent to, or within, the ferrite cylinder to provide the indication of the voltage.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2016},

  month        = {4}

}

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Works referenced in this record:

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Similar Records

Title: Non-contact current and voltage sensor having detachable housing incorporating multiple ferrite cylinder portions

Abstract

Citation Formats

Current Sensing Techniques: A Review journal, April 2009

Non-contact voltage measurement using electronically varying capacitance journal, January 2010

Clip-on inductive pulse pick-up patent, January 1977

Current measuring apparatus and method patent, May 1981

Method and apparatus for measuring a DC current in a wire without making a direct connection to the wire patent, March 1983

Device and method for sensing electric current in a conductor patent, December 1985

Apparatus for measuring voltages and currents using non-contacting sensors patent, December 1995

Clamp-on electrical measuring device patent, March 1997

Capacitively coupled RF voltage probe having optimized flux linkage patent, February 1999

Electrical junction box patent, December 1999

Fixed type current detector patent, July 2002

Arc fault detection in ac electric power systems patent, February 2003

Arc fault detector with diagnostic indicator patent, November 2003

Capacitive sensor systems and methods with increased resolution and automatic calibration patent, December 2003

Method for discriminating abnormal current including arc current in AC load circuit and apparatus for executing the same patent, March 2004

Method and system for measuring current patent, March 2004

Non-contact voltage measurement method and device, and detection probe patent, November 2004

Capacitive sensor systems and methods with increased resolution and automatic calibration patent, September 2005

Apparatus and method for real time determination of arc fault energy, location and type patent, June 2006

Non-contact high-voltage electrometer architecture with low-voltage feedback patent, August 2006

Ring type current sensor patent, December 2006

Apparatus for measuring an a.c. current in a cable patent, June 2007

Flexible current sensor patent, June 2007

Non-intrusive power monitor patent, September 2007

Micro-electromechanical system (MEMS) based current and magnetic field sensor having capacitive sense components patent, January 2008

Power monitoring system patent, February 2008

Power monitoring system patent, January 2009

High density metering system patent, February 2009

System for power sub-metering patent, June 2009

Method for enabling monitoring of power consumption patent, November 2009

Current detection printed board, voltage detection printed board, and current/voltage detector using same, and current detector and voltage detector patent, May 2010

Current sensing module and assembly method thereof patent, May 2010

Method and apparatus for current measurement using hall sensors without iron cores patent, May 2010

Precision flexible current sensor patent, December 2010

Folding current sensor patent, May 2011

Non-intrusive electric alternating current sensor patent, August 2011

Non-contact current and voltage sensor patent, March 2014

Power monitoring system patent-application, November 2004

Current Sensor patent-application, July 2005

A Current Sensor That Includes a Pair of Segments patent-application, April 2006

Arc fault detection technique patent-application, March 2007

Power line universal monitor patent-application, March 2008

Current Sensing Module and Assembly Method Thereof patent-application, April 2008

Noncontact Measurement Method of Currents on Superconductive Wires Connected in Parallel patent-application, April 2009

Folding Current Sensor patent-application, January 2010

Branch current monitoring system patent-application, October 2010

Differential-Mode Current Sensor patent-application, October 2010

Wire Management Method with Current and Voltage Sensing patent-application, August 2012

Non-Contact Current and Voltage Sensing Method patent-application, August 2012

Wire Manager with Current and Voltage Sensing patent-application, August 2012

Calibration of Non-Contact Current Sensors patent-application, December 2012

Multi-Conductor Cable Current and Voltage Sensors patent-application, December 2012

Current Sensing Techniques: A Review
journal, April 2009

Non-contact voltage measurement using electronically varying capacitance
journal, January 2010

Clip-on inductive pulse pick-up
patent, January 1977

Current measuring apparatus and method
patent, May 1981

Method and apparatus for measuring a DC current in a wire without making a direct connection to the wire
patent, March 1983

Device and method for sensing electric current in a conductor
patent, December 1985

Apparatus for measuring voltages and currents using non-contacting sensors
patent, December 1995

Clamp-on electrical measuring device
patent, March 1997

Capacitively coupled RF voltage probe having optimized flux linkage
patent, February 1999

Electrical junction box
patent, December 1999

Fixed type current detector
patent, July 2002

Arc fault detection in ac electric power systems
patent, February 2003

Arc fault detector with diagnostic indicator
patent, November 2003

Capacitive sensor systems and methods with increased resolution and automatic calibration
patent, December 2003

Method for discriminating abnormal current including arc current in AC load circuit and apparatus for executing the same
patent, March 2004

Method and system for measuring current
patent, March 2004

Non-contact voltage measurement method and device, and detection probe
patent, November 2004

Capacitive sensor systems and methods with increased resolution and automatic calibration
patent, September 2005

Apparatus and method for real time determination of arc fault energy, location and type
patent, June 2006

Non-contact high-voltage electrometer architecture with low-voltage feedback
patent, August 2006

Ring type current sensor
patent, December 2006

Apparatus for measuring an a.c. current in a cable
patent, June 2007

Flexible current sensor
patent, June 2007

Non-intrusive power monitor
patent, September 2007

Micro-electromechanical system (MEMS) based current and magnetic field sensor having capacitive sense components
patent, January 2008

Power monitoring system
patent, February 2008

Power monitoring system
patent, January 2009

High density metering system
patent, February 2009

System for power sub-metering
patent, June 2009

Method for enabling monitoring of power consumption
patent, November 2009

Current detection printed board, voltage detection printed board, and current/voltage detector using same, and current detector and voltage detector
patent, May 2010

Current sensing module and assembly method thereof
patent, May 2010

Method and apparatus for current measurement using hall sensors without iron cores
patent, May 2010

Precision flexible current sensor
patent, December 2010

Folding current sensor
patent, May 2011

Non-intrusive electric alternating current sensor
patent, August 2011

Non-contact current and voltage sensor
patent, March 2014

Power monitoring system
patent-application, November 2004

Current Sensor
patent-application, July 2005

A Current Sensor That Includes a Pair of Segments
patent-application, April 2006

Arc fault detection technique
patent-application, March 2007

Power line universal monitor
patent-application, March 2008

Current Sensing Module and Assembly Method Thereof
patent-application, April 2008

Noncontact Measurement Method of Currents on Superconductive Wires Connected in Parallel
patent-application, April 2009

Folding Current Sensor
patent-application, January 2010

Branch current monitoring system
patent-application, October 2010

Differential-Mode Current Sensor
patent-application, October 2010

Wire Management Method with Current and Voltage Sensing
patent-application, August 2012

Non-Contact Current and Voltage Sensing Method
patent-application, August 2012

Wire Manager with Current and Voltage Sensing
patent-application, August 2012

Calibration of Non-Contact Current Sensors
patent-application, December 2012

Multi-Conductor Cable Current and Voltage Sensors
patent-application, December 2012