Systems and methods for system-wide digital process bus fault recording
View Patent ↗The present disclosure provides systems and methods for generating a system-wide event report for electrical power delivery systems. A monitoring device within the power system may generate a key message upon the occurrence of a predetermined condition. A master IED within the power system may generate and/or transmit a system-wide key message to a plurality of monitoring IEDs within the power system. Digital process bus data, continuously recorded by a plurality of monitoring IEDs within the power system, may be saved locally by each monitoring IED within the power system and retrieved by a master IED within the power system. Alternatively, digital process bus data may be transmitted to a master IED and saved locally. A software and/or hardware module may be used to merge the local reports into a system-wide event report.
1. A system for an electrical power delivery system, comprising:
a communications network configured to communicatively connect a plurality of intelligent electronic devices (IEDs);
a first IED configured to monitor a first portion of an electrical power delivery system, the first IED configured to detect an occurrence of a predetermined electrical event within the monitored first portion of an electrical power delivery system;
a master IED configured to receive a notification from the first IED indicating the detection of the occurrence of the predetermined electrical event, the master IED configured to transmit a system-wide key message via the communications network to at least one monitoring IED based on the notification received from the first IED;
a plurality of monitoring IEDs configured to monitor distinct portions of the electrical power delivery system and transmit electrical transient data to the master IED in response to receiving the system-wide key message; and
a reporting module configured to generate a system-wide event report based on at least some of the electrical transient data transmitted to the master IED by the plurality of monitoring IEDs.
2. The system of claim 1 , wherein the reporting module is configured to generate a report in the COMTRADE file format.
3. The system of claim 1 , wherein the electrical transient data transmitted is in the COMTRADE file format.
4. The system of claim 1 , wherein the reports are based on continuously recorded digital bus data.
5. The system of claim 1 , wherein the IED is a special-purpose device, process bus publishing IED, digital protection relay, or Ethernet switch.
6. The system of claim 1 , wherein the key messages are generic object oriented substation events (GOOSE) messages or a related transfer mechanism.
7. The system of claim 1 , wherein the master IED is also a monitoring IED.
8. The system of claim 1 , wherein the software module that merges the local reports is contained within and initiated by an IED within the electrical power generation system.
9. The system of claim 1 , wherein the software module that merges the local reports is initiated by an operator of the electrical power generation system.
10. The system of claim 1 , wherein the generated report is simultaneously generated with a network capture data file.
11. The system of claim 1 , wherein a key message is generated in response to the occurrence of a predetermined condition.
12. The system of claim 11 , wherein the predetermined condition is a fault within the electrical power delivery system.
13. The system of claim 11 , wherein the predetermined condition is a control from an operator of the electrical power delivery system.
14. A computer-readable medium comprising instructions that, when executed by a processor of an intelligent electronic device (IED), cause the IED to perform operations for generating a system-wide event report in response to a detected electrical event within a portion an electrical power delivery system, the operations comprising:
detecting an occurrence of a predetermined electrical event within a portion of an electrical power delivery system monitored by a first IED;
communicating the detection of the predetermined electrical event to a master IED;
transmitting a system-wide key message to a plurality of monitoring IEDs within the electrical power delivery system, wherein each of the plurality of monitoring IEDs is configured to monitor a distinct portion of the electrical power delivery system;
receiving electrical transient data from each of the plurality of monitoring IEDs provided by the monitoring IEDs in response to receiving the system-wide key message; and
generating a system-wide event report based on the received electrical transient data from at least some of the plurality of monitoring IEDs.
15. A method for implementing an electrical control decision based on system-wide electrical event data, comprising:
a first intelligent electronic device (IED) detecting an occurrence of a predetermined electrical event within a portion of an electrical power delivery system monitored by the first IED;
the first IED communicating the detection of the predetermined electrical event to a master IED;
the master IED transmitting a system-wide key message to a plurality of monitoring IEDs within the electrical power delivery system, wherein each of the plurality of monitoring IEDs is configured to monitor a distinct portion of the electrical power delivery system;
each of the plurality of monitoring IEDs receiving the system-wide key message from the master IED;
the plurality of monitoring IEDs collecting electrical transient data from each of the distinct portions of the electrical power delivery system, respectively;
each of the plurality of monitoring IEDs transmitting the electrical transient data to the master IED; and
implementing an electrical configuration decision based on the electrical transient data from at least two of the monitoring IEDs.
16. The method of claim 15 , wherein the collected electrical transient data comprises a COMTRADE report.
17. The method of claim 15 , wherein collected electrical transient data is based on continuously recorded digital bus data.
18. The method of claim 15 , wherein the IED is a special-purpose device, process bus publishing IED, digital protection relay, or Ethernet switch.
19. The method of claim 15 , wherein the key messages are generic object oriented substation events (GOOSE) messages or a related transfer mechanism.
20. The method of claim 15 , wherein the master IED is also a monitoring IED.
21. The method of claim 14 , wherein the generated report is simultaneously generated with a network capture data file.
22. The method of claim 14 , wherein the monitoring IED generates a key message in response to the occurrence of a predetermined condition.
23. The method of claim 15 , wherein the predetermined condition is a fault within the electrical power delivery system.
24. The method of claim 15 , wherein the predetermined condition is a control from an operator of the electrical power delivery system.