Reconfigurable circuit monitoring system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5247454
SERIAL NO

07549999

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A circuit monitoring system for a distributed power network employs waveform capturing techniques for efficient and highly accurate monitoring. The system includes a plurality of circuit monitors and a control station, which is coupled to each of the circuit monitors via a multi-drop communications link. Each of the circuit monitors is disposed adjacent an associated one of the branches in the network for sensing power parameters in the branches and for generating and transmitting data representing the power parameters to the control station The control station is used for generating monitoring commands to each of the circuit monitors to provide the system with full system control and evaluation capability. Each of the circuit monitors also includes EEPROM memory for storing and retaining operational data, sent from the control station, in the absence of power. This allows a microcomputer in the circuit monitor to read the retained data for analyzing the sensed power parameter.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SQUARE D COMPANYPALATINE, IL422

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Farrington, Ronald L Cedar Rapids, IA 12 498
Wallis, Lee D Murfreesboro, TN 8 318

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
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Merlin Gerin (1)
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UNDERSGROUND SYSTEMS, INC. (1)
* 4855671 Electrical power line and substation monitoring apparatus 103 1988
 
Quadlogic Controls Corporation (1)
* 4783748 Method and apparatus for remote measurement 142 1987
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
GENERAL ELECTRIC COMPANY (29)
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Other [Check patent profile for assignment information] (4)
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Tempo Instrument, Inc. (1)
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SQUARE D COMPANY (3)
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COOPER TECHNOLOGIES COMPANY (14)
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HITACHI, LTD. (2)
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Balluff, Inc. (1)
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6757628 Multi-level transformer and line loss compensator and method 15 1999
 
SAFRAN POWER UK LTD. (1)
6710482 Generator 4 2002
 
Power Measurement Ltd. (21)
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6825776 External I/O and communications interface for a revenue meter 27 1999
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6687627 Electric charge storage apparatus and method for an intelligent electronic device 50 2001
6694270 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems 66 2002
6792364 Revenue meter with power quality features 39 2002
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* 5943201 Method and apparatus for setting trip profiles in electrical switches using a portable unit with a non-volatile memory 24 1997
* Cited By Examiner