Synchronized phasor and frequency measurement under transient conditions
Synchronized phasor measurements are becoming an important element of wide area
measurement systems used in advanced power system monitoring, protection, and control …
measurement systems used in advanced power system monitoring, protection, and control …
Integrated protection, monitoring, and control system
EA Andarawis, DW Sexton, SC Evans… - US Patent …, 2010 - Google Patents
(57) ABSTRACT A method and system for monitoring and controlling a power distribution
system is provided. The system includes a plu rality of circuit breakers and a plurality of node …
system is provided. The system includes a plu rality of circuit breakers and a plurality of node …
Method for power distribution system components identification, characterization and rating
EA Andarawis, MR Pearlman, E Berkcan… - US Patent …, 2005 - Google Patents
A method for operating a power distribution System is provided. The power distribution
System includes a plurality of components, and at least one node electronics unit coupled to …
System includes a plurality of components, and at least one node electronics unit coupled to …
Apparatus, method, and system for wide-area protection and control using power system data having a time component associated therewith
GC Zweigle, A Guzman-Casillas, CE Petras… - US Patent …, 2009 - Google Patents
An apparatus, system and method in an electrical system using power system information or
data associated therewith having a time component associated therewith sampled or …
data associated therewith having a time component associated therewith sampled or …
Stator winding diagnostic systems and methods
MAO **aofeng, L Hao - US Patent 9,018,881, 2015 - Google Patents
Systems and methods are provided for diagnosing stator windings in an electric motor. An
exemplary method for diagnosing stator windings in an electric motor involves determining …
exemplary method for diagnosing stator windings in an electric motor involves determining …
Sample value adjustment improves phasor estimation at off-nominal frequencies
M Akke, JS Thorp - IEEE Transactions on Power Delivery, 2010 - ieeexplore.ieee.org
This paper presents an algorithm for better phasor estimation at off-nominal frequencies.
The sampling rate remains unchanged, but instead the amplitude of the sample values …
The sampling rate remains unchanged, but instead the amplitude of the sample values …
Method and apparatus for node electronics unit architecture
EA Andarawis, DW Sexton, AR Schnore Jr… - US Patent …, 2006 - Google Patents
(57) ABSTRACT A method and apparatus for operating a power distribution System circuit
breaker is provided. The circuit breaker includes an associated node electronics unit …
breaker is provided. The circuit breaker includes an associated node electronics unit …
Apparatus and method for estimating synchronized phasors at predetermined times referenced to an absolute time standard in an electrical system
GC Zweigle, LS Anderson… - US Patent 7,480,580, 2009 - Google Patents
A 4, 1998 A 10, 1999 A 11, 1999 A 6, 2000 A 8, 2000 A 10, 2000 A* 10, 2000 A 12, 2000 B1
5, 2001 B1 6, 2001 B1 11, 2001 B1 8, 2002 B1 9, 2002 B2 5/2003 B1 9, 2003 B2 11/2003 …
5, 2001 B1 6, 2001 B1 11, 2001 B1 8, 2002 B1 9, 2002 B2 5/2003 B1 9, 2003 B2 11/2003 …
Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment
E Berkcan, DW Sexton, SC Evans… - US Patent …, 2005 - Google Patents
System is provided. The power distribution System includes a plurality of circuit breakers, a
plurality of node electronic units, and wherein each associated circuit breaker is elec trically …
plurality of node electronic units, and wherein each associated circuit breaker is elec trically …
Integrated protection, monitoring, and control system
EA Andarawis, DW Sexton, SC Evans… - US Patent …, 2006 - Google Patents
(57) ABSTRACT A method and system for monitoring and controlling a power distribution
system is provided. The system includes a plurality of circuit breakers and a plurality of node …
system is provided. The system includes a plurality of circuit breakers and a plurality of node …