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Pat Brown Principal Technical Leader EPRI Joint WG13/14 Meeting January 20, 2015 Asset Health Framework and the Need For History in Data Exchange.

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Presentation on theme: "Pat Brown Principal Technical Leader EPRI Joint WG13/14 Meeting January 20, 2015 Asset Health Framework and the Need For History in Data Exchange."— Presentation transcript:

1 Pat Brown Principal Technical Leader EPRI Joint WG13/14 Meeting January 20, 2015 Asset Health Framework and the Need For History in Data Exchange

2 2 © 2014 Electric Power Research Institute, Inc. All rights reserved. Asset Health Framework – the Vision

3 3 © 2014 Electric Power Research Institute, Inc. All rights reserved. Main Themes in Asset Health Information Sharing Asset health analytics: –There is a broad set of commonly used data (so standard modeling is possible) –There is great variety in data used for any given analysis –There is a ubiquitous need for history –Asset relationship to electrical network position is key

4 4 © 2014 Electric Power Research Institute, Inc. All rights reserved. Asset Health Reference Model

5 5 © 2014 Electric Power Research Institute, Inc. All rights reserved. Use Case 1 – New breaker asset

6 6 © 2014 Electric Power Research Institute, Inc. All rights reserved. Use Case 2 – New model added to fleet

7 7 © 2014 Electric Power Research Institute, Inc. All rights reserved. Use Case 3 – Correction to serial number

8 8 © 2014 Electric Power Research Institute, Inc. All rights reserved. Use Case 4 – Breaker installed in field

9 9 © 2014 Electric Power Research Institute, Inc. All rights reserved. Use Case 5 – New measurement added to RTDH

10 10 © 2014 Electric Power Research Institute, Inc. All rights reserved. Use Case 6 – New power factor test complete

11 11 © 2014 Electric Power Research Institute, Inc. All rights reserved. Use Case 7 – Breaker derated

12 12 © 2014 Electric Power Research Institute, Inc. All rights reserved. Use Case 8 – Breaker subcomponent replaced

13 13 © 2014 Electric Power Research Institute, Inc. All rights reserved. Use Case 9 – Breaker removed from field

14 14 © 2014 Electric Power Research Institute, Inc. All rights reserved. Use Case 10 – Measurement disabled in RTDH

15 15 © 2014 Electric Power Research Institute, Inc. All rights reserved. Use Case 11 – Breaker retired and disposed of

16 16 © 2014 Electric Power Research Institute, Inc. All rights reserved. Use Cases 12 to 16 – BFA retrieves data

17 17 © 2014 Electric Power Research Institute, Inc. All rights reserved. BFA creates Breaker Last Trip Report for all in- service Transmission breakers –Find AssetContainer instances currently associated to Breaker instances currently occupying network position on 69kV or up system –Find “state” Status instances ever associated with those AssetContainer instances –Get pointers to StatusValue instances ever associated with Status instances –Get history of each StatusValue.value to find most recent.value change to “OPEN” Use Case 12 – Breaker Last Trip

18 18 © 2014 Electric Power Research Institute, Inc. All rights reserved. BFA queries for power factor test results over time on all in-service Transmission breaker subcomponents –Find AssetContainer instances currently associated to Breaker instances currently occupying network position on 69kV or up system –Find Analog instances ever associated with AssetContainer instances –Traverse down current assocations to subcomponent AssetContainer/Asset instances of those breaker AssetContainer instances and get pointers to PowerFactorTestDataSet instances currently associated with any AssetContainer/Asset instance –Get all PowerFactorTestDataSet instances Use Case 13 – Power Factor Test Result Query

19 19 © 2014 Electric Power Research Institute, Inc. All rights reserved. BFA queries for history of real-time MW flow through breaker while in-service for all non-retired Transmission breakers –Find current non-retired Transmission breaker AssetContainer instances [may or may not be currently in service] –Find Breaker instances ever associated with those AssetContainer instances [and determine time ranges breakers were in-service] –Find “MVA” Analog instances ever associated with those AssetContainer instances –Get pointers to AnalogValue instances ever associated with Analog instances –Get history of each AnalogValue.value during time ranges breakers were in-service Use Case 14 – Real-time MVA flow history

20 20 © 2014 Electric Power Research Institute, Inc. All rights reserved. BFA creates Breaker Age Report for this year and for five years ago –This year [query time = present]  Find current non-retired Transmission breaker AssetContainer instances  Get history of AssetContainer.lifecycleState for each AssetContainer –Five years ago [query time = -5 years]  Find non-retired Transmission breaker AssetContainer instances as known 5 years ago  Get history of AssetContainer.lifecycleState for each AssetContainer as known 5 years ago Use Case 15 – Breaker age today & 5 years ago

21 21 © 2014 Electric Power Research Institute, Inc. All rights reserved. BFA creates creates ad-hoc report on number of in- service bushings with serial numbers now vs last year before AMS cleanup –This year [query time = present]  Find AssetContainer instances currently associated to Breaker instances currently occupying network position on 69kV or up system  Traverse down current assocations to Bushing subcomponent of those AssetContainer instances and get Bushing.serialNumber if it exists –Last year [query time = -1 year]  Find AssetContainer instances associated to Breaker instances occupying network position on 69kV or up system as of a year ago  Traverse down assocations as known a year ago to Bushing subcomponent of those AssetContainer instances and get Bushing.serialNumber if it existed a year ago Use Case 16 – Bushing data improvement report

22 22 © 2014 Electric Power Research Institute, Inc. All rights reserved. 3 Types of History In Asset Health Data Retrieval Query “as of” (putting on ‘point in time’ glasses) Query filter (time frame for ‘where’ conditions) Returned data (property values over time range)

23 23 © 2014 Electric Power Research Institute, Inc. All rights reserved. Thoughts… Requirements for support of history are complex History is needed for all shared data Need effective date and created date Maybe solution should be “baked into” data exchange itself? Could Incremental Dataset notion be part of the answer?

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