Generation and control of network events and conversion to SCADA protocol data types
B Kidwell, M Weber, DN Morman - US Patent 9,401,839, 2016 - Google Patents
A system and method is disclosed for receiving a network event in a network format,
mapping the network event into a format expected by a central monitoring system, and …
mapping the network event into a format expected by a central monitoring system, and …
Distributed coordinated electric power delivery control system using component models
EO Schweitzer III, DE Whitehead… - US Patent 9,383,735, 2016 - Google Patents
Distributed controllers in an electric power delivery system obtain measurements and
equipment status, calculate derived values, and determine Intelligent Electronic Device …
equipment status, calculate derived values, and determine Intelligent Electronic Device …
Communication link monitoring and failover
SM Manson, BR Clark, A D'aversa, S Dingari - US Patent 9,967,135, 2018 - Google Patents
The present disclosure relates to systems and methods for detection of a failed
communication link and rerouting network traffic around the failure. One embodiment of a …
communication link and rerouting network traffic around the failure. One embodiment of a …
Electric power system automation using time coordinated instructions
EO Schweitzer III, DE Whitehead, GC Zweigle… - US Patent …, 2014 - Google Patents
A system for controlling and automating an electric power delivery system by executing time
coordinated instruction sets to achieve a desired result. A communication master may …
coordinated instruction sets to achieve a desired result. A communication master may …
Handheld communication tester and method for testing direct serial communication capability of an intelligent electronic device in a power system
TJ Lee - US Patent 7,460,590, 2008 - Google Patents
IED, and a microcontroller disposed inside of the housing and operatively coupled to the
connector. The microcontroller is programmed to detect synchronization with the IED, to auto …
connector. The microcontroller is programmed to detect synchronization with the IED, to auto …
Intelligent electronic device with segregated real-time ethernet
RE Morris, TJ Lee, AA Miller, LG Nelms… - US Patent …, 2013 - Google Patents
(57) ABSTRACT A system and method for optimizing the handling of data on a priority basis
within an intelligent electronic device is dis closed. AFIFO receives messages and the …
within an intelligent electronic device is dis closed. AFIFO receives messages and the …
Electric power system automation using time coordinated instructions
EO Schweitzer III, DE Whitehead, GC Zweigle… - US Patent …, 2012 - Google Patents
2010-09-09 Assigned to SCHWEITZER ENGINEERING LABORATORIES, INC.
reassignment SCHWEITZER ENGINEERING LABORATORIES, INC. ASSIGNMENT OF …
reassignment SCHWEITZER ENGINEERING LABORATORIES, INC. ASSIGNMENT OF …
Fault tolerant time synchronization
EO Schweitzer III, KJ Fodero, V Skendzic… - US Patent App. 12 …, 2010 - Google Patents
Systems and methods for distributing accurate time informa tion to geographically separated
communications devices are disclosed. Additionally, the desired systems and methods may …
communications devices are disclosed. Additionally, the desired systems and methods may …
Systems, Methods, and Apparatus for Recording Network Events Associated with a Power Generation or Delivery System
DJ Dolezilek - US Patent App. 12/129,093, 2009 - Google Patents
A network recorder adapted for use within power generation, delivery and protection
systems and/or process control systems is disclosed. The network recorder itself comprises …
systems and/or process control systems is disclosed. The network recorder itself comprises …
System and apparatus for measuring the accuracy of a backup time source
TJ Lee, KC Henriksen - US Patent 8,812,256, 2014 - Google Patents
An intelligent electronic device incorporates a first port that accepts a time signal from a time
server over a network and a second port for receiving a second time signal over a separate …
server over a network and a second port for receiving a second time signal over a separate …