INTEGRATED TRANSFORMER HEALTH MONITORING ARCHITECTURE

• US 20160327600A1
• Filed: 05/04/2015
• Published: 11/10/2016
• Est. Priority Date: 05/04/2015
• Status: Abandoned Application

• Current Assignee: General Electric Company
• Original Assignee: General Electric Company
• Inventors: Muthukrishnan, Vijayasarathi, Vinayagam, Balamourougan, Pamulaparthy, Balakrishna
• Application Number:
  US14/703,533
• Publication Number:
  US 20160327600A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G01R 31/62 Testing of transformers
• CPC Class Codes: H02H 7/04 for transformers

Abstract

Embodiments of the present disclosure relate to an integrated transformer health monitoring architecture and associated processes. In one embodiment, a method can provide: receiving protection data of a transformer from the at least one protection relay device; receiving health monitoring data of the transformer from the at least one monitoring and diagnostics (M&D) device; analyzing the received protection data and the received health monitoring data using a common time reference; monitoring, diagnosing, analyzing, or predicting a failure of the transformer based at least in part on analysis of the received protection data and the received health monitoring data; and generating an instruction to modify operation of the transformer in response to monitoring, diagnosing, analyzing, or predicting a failure of the transformer.

Claims

1. A system comprising:

at least one protection relay device;

at least one monitoring and diagnostics (M&

D) device communicatively coupled to the at least one protection relay device; and

at least one processor communicatively coupled to the at least one protection relay device and the at least one M&

D device and configured to;

receive protection data of a transformer from the at least one protection relay device;

receive health monitoring data of the transformer from the at least one M&

D device;

analyze the received protection data and the received health monitoring data using a common time reference;

monitor, diagnose, analyze, or predict a failure of the transformer based at least in part on analysis of the received protection data and the received health monitoring data; and

generate an instruction to modify operation of the transformer in response to monitoring, diagnosing, analyzing, or predicting a failure of the transformer.

2. The system of claim 1, wherein the at least one processor is further configured to:

retrieve historical data of the transformer from a database;

compare at least a portion of the received protection data and at least a portion of the received health monitoring data to the historical data;

determine, based at least in part on comparison of at least a portion of the received protection data and at least a portion of the received health monitoring data to the historical data, at least a partial match between at least a portion of the received protection data and at least a portion of the received health monitoring data and the historical data, wherein at least a portion of the received protection data and at least a portion of the received health monitoring data match a portion of historical data indicative of a previous failure of the transformer; and

identify, based on determination of a match between at least a portion of the received protection data and at least a portion of the received health monitoring data and the historical data, a failure of the transformer.

3. The system of claim 1, wherein the at least one processor is further configured to:

time-stamp the received protection data upon receipt of the protection data;

time-stamp the received health monitoring data upon the receipt of health monitoring data;

compare the time-stamp of the received protection data to the time-stamp of the received health monitoring data;

determine an estimated current time lag between receiving the protection data and receiving the health monitoring data based on comparing the time-stamp of the received protection data to the time-stamp of the received health monitoring data;

assign an offset of time equal to the estimated current time lag between receiving the protection data and receiving the health monitoring data to the time-stamp of at least one of the received protection data and the health monitoring data so that protection data and health monitoring data sampled at the same point in time are assigned a common time-stamp; and

time synchronize the at least one protection relay device and the at least one M&

D device to a common global positioning system (GPS) time source.

4. The system of claim 1, wherein the at least one processor is further configured to:

predict a next required maintenance for the transformer based on analyzing the received protection data and the received health monitoring data;

schedule the next required maintenance for the transformer in a calendar;

generate a calendar request for maintenance based on the predicted next required maintenance; and

transmit the calendar request to a second system.

5. The system of claim 1, wherein the at least one processor is further configured to:

determine, based at least in part on analyzing the received protection data and the received health monitoring data, that the transformer no longer complies with at least one set of regulatory standards.

6. The system of claim 1, wherein the processor is further configured to:

stop operation of the transformer in response to predicting a failure of the transformer.

7. The system of claim 1, wherein the at least one processor is further configured to:

receive protection data of a transformer from the at least one protection relay device;

determine an event has occurred to the transformer based at least in part on an analysis of the received protection data;

receive health monitoring data of the transformer from the at least one M&

D device, wherein receiving health monitoring data comprises;

receiving at least one of a last read of health monitoring data or available historical health monitoring data as health monitoring pre-data; and

receiving one or more samples of health monitoring data collected after detection of the event or available historical health monitoring data as health monitoring post-data;

analyze the received protection data and the received health monitoring data; and

generate at least one of a fault report, an energization record, a learned data record, a historical maximum record, a health report, or a fleet report.

8. The system of claim 1, wherein the at least one processor is further configured to:

calculate a lifespan of at least one component of the transformer based on analyzing the received protection data and the received health monitoring data.

9. The system of claim 1, wherein the at least one processor is further configured to:

predict a cause and a type of the predicted failure of the transformer based at least in part on analysis of the received protection data and the received health monitoring data.

10. The system of claim 1, wherein the at least one processor is further configured to:

receive event data from the at least one protection relay device;

receive protection data of the transformer from the at least one protection relay device;

receive health monitoring data of the transformer from the at least one M&

D device;

generate a record associated with the transformer, the record based at least in part on the received protection data, the received health monitoring data, and the received event data; and

output, based at least in part on the record, a portion of data associated with the record in at least one of a user interface, a report, or an electronic communication.

11. A method comprising:

receiving, by a computing device processor, protection data of a transformer from the at least one protection relay device;

receiving, by the computing device processor, health monitoring data of the transformer from the at least one monitoring and diagnostics (M&

D) device;

analyzing, by the computing device processor, the received protection data and the received health monitoring data using a common time reference;

monitoring, diagnosing, analyzing, or predicting, by the computing device processor, a failure of the transformer based at least in part on analysis of the received protection data and the received health monitoring data; and

generating, by the computing device processor, an instruction to modify operation of the transformer in response to monitoring, diagnosing, analyzing, or predicting a failure of the transformer.

12. The method of claim 11, further comprising:

retrieving, by the computing device processor, historical data of the transformer from a database;

comparing, by the computing device processor, at least a portion of the received protection data and at least a portion of the received health monitoring data to the historical data;

determining, by the computing device processor and based at least in part on comparison of at least a portion of the received protection data and at least a portion of the received health monitoring data to the historical data, at least a partial match between at least a portion of the received protection data and at least a portion of the received health monitoring data and the historical data, wherein at least a portion of the received protection data and at least a portion of the received health monitoring data match a portion of historical data indicative of a previous failure of the transformer; and

identifying, by the computing device processor and based on determination of a match between at least a portion of the received protection data and at least a portion of the received health monitoring data and the historical data, a failure of the transformer.

13. The method of claim 11, further comprising:

time-stamping, by the computing device processor, the received protection data upon receipt of the protection data;

time-stamping, by the computing device processor, the received health monitoring data upon the receipt of health monitoring data;

comparing, by the computing device processor, the time-stamp of the received protection data to the time-stamp of the received health monitoring data;

determining, by the computing device processor, an estimated current time lag between receiving the protection data and receiving the health monitoring data based on comparing the time-stamp of the received protection data to the time-stamp of the received health monitoring data; and

assigning, by the computing device processor, an offset of time equal to the estimated current time lag between receiving the protection data and receiving the health monitoring data to the time-stamp of at least one of the received protection data and the health monitoring data so that protection data and health monitoring data sampled at the same point in time are assigned a common time-stamp; and

time synchronizing, by the computing device processor, the at least one protection relay device and the at least one M&

D device to a common global positioning system (GPS) time source.

14. The method of claim 11, further comprising:

predicting, by the computing device processor, a next required maintenance for the transformer based on analyzing the received protection data and the received health monitoring data;

scheduling, by the computing device processor, the next required maintenance for the transformer in a calendar;

generating, by the computing device processor, a calendar request for maintenance based on the predicted next required maintenance; and

transmitting, by the computing device processor, the calendar request to a second system.

15. The method of claim 11, further comprising:

determining, by the computing device processor and based at least in part on analyzing the received protection data and the received health monitoring data, that the transformer no longer complies with at least one set of regulatory standards.

16. The method of claim 11, further comprising:

stopping, by the computing device processor, operation of the transformer in response to predicting a failure of the transformer.

17. The method of claim 11, further comprising:

correlating, by the computing device processor, the received protection data and the received health monitoring data.

18. The method of claim 11, further comprising:

calculating, by the computing device processor, a lifespan of at least one component of the transformer based on analyzing the received protection data and the received health monitoring data.

19. The method of claim 11, further comprising:

predicting, by the computing device processor, a cause and a type of the predicted failure of the transformer based at least in part on analysis of the received protection data and the received health monitoring data.

20. A non-transitory computer-readable medium including instructions stored thereon, which when executed by one or more processor(s), cause the one or more processors to perform operations of:

receiving protection data of a transformer from the at least one protection relay device;

receiving health monitoring data of the transformer from the at least one monitoring and diagnostics (M&

D) device;

analyzing the received protection data and the received health monitoring data using a common time reference;

monitoring, diagnosing, analyzing, or predicting a failure of the transformer based at least in part on analysis of the received protection data and the received health monitoring data; and

generating an instruction to modify operation of the transformer in response to monitoring, diagnosing, analyzing, or predicting a failure of the transformer.