David M Jensen

US Patent:

7200502, Apr 3, 2007

Filed:

Mar 30, 2005

Appl. No.:

11/094074

Inventors:

Michael L. Gasperi - Racine WI, US
David L. Jensen - Barneveld WI, US
David T. Rollay - Franklin WI, US

Assignee:

Rockwell Automation Technologies, Inc. - Mayfield Heights OH

International Classification:

G01R 25/00

US Classification:

702 65, 702 62, 702 60, 324691, 331107 A

Abstract:

A method and apparatus is disclosed for determining the power line parameters of a system. Specifically, there is provided a method comprising perturbing a voltage waveform through a first connection, measuring a characteristic of the perturbation through a second connection, and calculating a line impedance based on the characteristic of the perturbation.

US Patent:

7526392, Apr 28, 2009

Filed:

Mar 30, 2005

Appl. No.:

11/094389

Inventors:

Michael L. Gasperi - Racine WI, US
David L. Jensen - Barneveld WI, US
David T. Rollay - Franklin WI, US

Assignee:

Rockwell Automation Technologies, Inc. - Mayfield Heights OH

International Classification:

G01R 21/00

US Classification:

702 60, 702 59, 702 62, 702 65, 324521, 600547

Abstract:

A method and apparatus is disclosed for determining the incident energy of a system. Specifically, there is provided a technique comprising measuring a voltage of an ac waveform, causing a resonant ring in the ac waveform, measuring a frequency of the resonant ring, computing a line impedance based upon the measured voltage and the frequency of the resonant ring, and computing a bolted fault current based on the line impedance and the measured voltage.

US Patent:

7777498, Aug 17, 2010

Filed:

Apr 30, 2008

Appl. No.:

12/112850

Inventors:

Michael L Gasperi - Racine WI, US
David L. Jensen - Barneveld WI, US
David T Rollay - Franklin WI, US

Assignee:

Rockwell Automation Technologies, Inc. - Mayfield Heights OH

International Classification:

G01R 27/28
G01R 27/08

US Classification:

324629, 324605, 324525

Abstract:

A method and apparatus is disclosed for determining power line parameter of a system. Specifically, there is provided a system for determining comprising a networked device including a voltage perturbation circuit coupled to a voltage source and configured to perturb the waveform of the voltage source, and a voltage measurement circuit coupled to the voltage source and configured to transmit voltage measurements of the waveform over a network and a remote monitoring unit, coupled to the network, and configured to receive the voltage measurements over the network and to calculate an incident energy using the voltage measurements.

US Patent:

20060241881, Oct 26, 2006

Filed:

Mar 30, 2005

Appl. No.:

11/094073

Inventors:

Michael Gasperi - Racine WI, US
David Jensen - Barneveld WI, US
David Rollay - Franklin WI, US

International Classification:

G06F 19/00

US Classification:

702062000, 702060000

Abstract:

A method and apparatus is disclosed for determining power line parameter of a system. Specifically, there is provided a system for determining comprising a networked device including a voltage perturbation circuit coupled to a voltage source and configured to perturb the waveform of the voltage source, and a voltage measurement circuit coupled to the voltage source and configured to transmit voltage measurements of the waveform over a network and a remote monitoring unit, coupled to the network, and configured to receive the voltage measurements over the network and to calculate an incident energy using the voltage measurements.

Address:

9000 Las Vegas Blvd S UNIT 1178, Las Vegas, NV 89123

VIN:

WAUNF78P57A213381

Make:

AUDI

Model:

A3

Year:

2007

Address:

1937 Capistrano Ave, Las Vegas, NV 89169

VIN:

1FMEU51877UA01172

Make:

FORD

Model:

EXPLORER SPORT TRAC

Year:

2007