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Introduction to pc-GAR and Introduction to pc-GAR and pc-GAR MTpc-GAR MT
G. Michael CurleyManager of GADS ServicesOctober 29, 2010
Data SourcesData Sources
GADS
Generator “B”
Generator “A”
Generator “C”
Generator “D”
Generator “E”
280+ Generators Reporting 5,800+ units,including international affiliates.
2
What is pc-GAR? What is pc-GAR?
Unique software product to allow access to the data collected in the GADS database.
It reports equipment outage information for the purpose of improving electric power output.
pc-G.A.R
3
Why pc-GAR? Why pc-GAR?
Introduced in 1992
Created to:
• Reduce the number of special studies produced annually.
• Allow users quick access to GADS information.
• Increase the need to maintain good outage records.
Only one of it’s kind in the world!
• WEC wants to follow this example
4
With data mining, you take advantageof past experience …
you learn from the past to prepare for the future.
5
Unit Types Available (12 choices)Unit Types Available (12 choices)
Fossil
Fluidized bed fossil
Nuclear
Gas Turbine
Jet Engine
Diesel
Hydro
Pumped Storage
Combined Cycle
Geothermal
Co-generator
Multi-boiler/Multi-turbine
6
Units SelectionsUnits Selections
All Including Own
All Except Own
Own Units
United States Only
Canada Only
2 Regions required for analysis
7
Two Types of VariablesTwo Types of Variables
Class
• “Yes” or “No” types
• Super or sub-critical
• General Electric or other manufacturer
• Balanced or pressurized draft
Continuous
• Range
• MW size (1-1400 MW)
• Steam Pressure (1-3600 psig)
• EAF (0-100%)
8
Three Groups of Criteria SelectionThree Groups of Criteria Selection
Physical (class)
• Example: # of pumps
Performance (continuous)
• Example: # of service hours
Statistics (continuous)
• Example: EFOR
9
Help with pc-GAR
10
Help #1 – Selecting FuelsHelp #1 – Selecting Fuels
Two fuel selections
• “As designed” means what the unit was designed to burn.
• “Actual fuel burned” means what did the unit actually burn in the specific year.
100% of the “actual burned” fuels
90% of the “designed fuels”
11
Help #1 – Selecting FuelsHelp #1 – Selecting Fuels
Actual Fuel Burned Design Fuel
12
Help #2 – Apply Criteria By…Help #2 – Apply Criteria By…
You can apply the performance/fuel criteria by either year or range.
• Year – tests the criteria on a year by year basis. A unit may pass the test one year but not the next. Only the one year where it passed will be in the survey.
• Range – tests the criteria on the average for the period you selected. If you picked a 5-year period for an EAF > 85%, then the average EAF for the period is tested. If it fails, that unit will be removed from the survey.
13
Help #2 – Apply Criteria By…Help #2 – Apply Criteria By…
EAF = 90.40%
EAF = 87.56%
EAF = 84.55%
EAF = 85.98%
EAF = 86.91%
If criteria includedEAF of 85% or greater, then 3 of 4 years accepted using“Year” button.
If criteria includedEAF of 85% or greater, then average EAFof 4 years accepted using“Range” button.
Accepted
Accepted
Accepted
Accepted
Rejected
14
Help #3 – for Years/for PeriodsHelp #3 – for Years/for Periods
Events and performance data are divided into monthly intervals for retrieving and analyzing data by months, years, and multi-year periods.
When using less than one year, use:
• “Annual/monthly Unit Summary Report” for viewing monthly numbers.
• “Unit-year Statistical Report” for projections of how the unit would operate if operated in the same manner as the short period.
15
Help #3 – for Years/for PeriodsHelp #3 – for Years/for Periods
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Help #3 – for Years/for PeriodsHelp #3 – for Years/for Periods
Year 1 Year 2 Year 3
Data pulled for months 01 to 12 for three years.
Jan & Feb Nov to Feb Nov to Feb Nov Dec
Data pulled for months 11 to 02 for three years.
Jan Feb …. Nov Dec Jan Feb …. Nov Dec Jan Feb …. Nov Dec
Year 1 Year 2 Year 3
17
Help #4 – Adding/removing UnitsHelp #4 – Adding/removing Units
pc-GAR allows you to add or remove youp own units from any selected group (“units included in report”)
You cannot remove units that NERC considers not yours (even if you are a part-owner.) “Ownership” (to NERC) is the organization reporting data to GADS.
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Help #4 – Adding/removing UnitsHelp #4 – Adding/removing Units
All own units
Own units in report.
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Help #4 – Adding/removing UnitsHelp #4 – Adding/removing Units
First, select one unit at a time to move.
Next, click on the Button to add own units to report.
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Help #4 – Adding/removing UnitsHelp #4 – Adding/removing Units
The unit is nowadded.
21
Help #4 – Adding/removing UnitsHelp #4 – Adding/removing Units
To remove a unit from the report, first highlight theunit then
click on the “remove unit” bottom.
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Help #4 – Adding/removing UnitsHelp #4 – Adding/removing Units
The unit is now back into the “own unit” list and out of the report.
23
Help #5 – Same Peer GroupHelp #5 – Same Peer Group
This procedure allows you to use the same group of units from one period to the next, assuming the same units reported in both periods.
First, select the group of units using the standard procedure for choosing a group.
Second, in “Menu of Reports,” choose “Report Data Range.”
Third, select a new period to analyze.
24
Help #5 – Same Peer GroupHelp #5 – Same Peer Group
Some criteria maychange from oneperiod to the nextas shown here.
Select criteria andthen save.
25
Help #5 – Same Peer GroupHelp #5 – Same Peer Group
Select a newperiod here.
26
Help #5 – Same Peer GroupHelp #5 – Same Peer Group
Here you select a newperiod for analysis usingthe same group of units.
27
Help #6 – Single, Own Unit ReportHelp #6 – Single, Own Unit Report
For when you want to create a pc-GAR report for just one of your own units.
Normal selection procedure for own units.
Remove all but the single unit from the “Units included in Report” section.
Apply criteria as “Reapply Criteria …”
28
Help #6 – Single, Own Unit ReportHelp #6 – Single, Own Unit Report
Choose “Own Units”to remove any units not under yourcontrol.
29
Help #6 – Single, Own Unit ReportHelp #6 – Single, Own Unit Report
Select the unit(s) youwanted to analyze. Youcan pick more than oneif you want for a singlegroup or show theperformance of a plant.Suppose we want to see the performance of3 units.
30
Help #6 – Single, Own Unit ReportHelp #6 – Single, Own Unit Report
After removing allbut the 3 units using the “remove unit”button, you return tothe “Report Design”section of the Criteria Entry.
31
Help #6 – Single, Own Unit ReportHelp #6 – Single, Own Unit Report
Apply the Criteria.
32
Help #6 – Single, Own Unit ReportHelp #6 – Single, Own Unit Report
Choose the “event option” you want (see Trick #7for details) and click “ok”.
33
Help #6 – Single, Own Unit ReportHelp #6 – Single, Own Unit Report
Select “Re-apply Criteria …” option to pull data for just the 3 units.If you use the other option, you’ll be back where you started withall of your own units.
34
Help #6 – Single, Own Unit ReportHelp #6 – Single, Own Unit Report
Now you have only3 units for your report.
Save the file.
Print the report asyou normally do.
35
Help #7 – Data Making StatisticsHelp #7 – Data Making Statistics
There are three options for choosing the units and data for making the statistics in the reports:
• Units that report both event & performance records and units reporting performance data only.
• Units that report both event and performance data only.
• Units that report both event and performance data for all years of the period.
36
Help #7 – Data Making StatisticsHelp #7 – Data Making Statistics
This option includes all units reporting to GADS, whether they reported events data or not.
This option may show differences in statistics like EAF, EFOR,EFORd, etc because not all units reported deratings.
37
Help #7 – Data Making StatisticsHelp #7 – Data Making Statistics
This option includes all units reporting to GADS whereevents are reported during the period being examined.
This option will show accurate statistics like EAF, EFOR, EFORd, etc because all units report deratings.
38
Help #7 – Data Making StatisticsHelp #7 – Data Making Statistics
This option includes all units reporting to GADS where events were reported during the complete period being examined. If you were examining 5 years, the unit would have to report events all 5 years.
This option will show accurate statistics like EAF, EFOR, EFORd, etc.because all units reported deratings. 39
Help #8 – Start Fresh or Re-examine?Help #8 – Start Fresh or Re-examine?
When retrieving data, you have the option to start fresh each time or re-examine the existing data.
It is faster to start with a big group, add a criteria, and then re-examine the group as each criteria is added.
40
Help #8 – Start Fresh or Re-examine?Help #8 – Start Fresh or Re-examine?
Always uses this option when starting a new retrieval or increasing thepopulation of an existing retrieval.
41
Help #8 – Start Fresh or Re-examine?Help #8 – Start Fresh or Re-examine?
Use this option if you are “trimming” an existing retrieval. Never use it if yoususpect that the population of the retrieval will increase.
42
Help #9 – Inclusion Help #9 – Inclusion
In pc-GAR, the software assume you want everything unless you specify that you only want something special.
For example, the program will assume you want all NERC Regions unless you specify you only want two certain Regions.
43
Help #10 – ExclusionHelp #10 – Exclusion
In pc-GAR, you may have to specify you DON’T WANT something in order to get the condition you really want.
For example, if you wanted units with a single reheater in the boiler, you would have to specify that the first RH section is 1 to 9999 psig and the second RH section is 0 to 0 psig.
44
Help #10 – ExclusionHelp #10 – Exclusion
By placing a “0” (zero) in some criteria, you can focus on special cases of design. Here we locate single RH units and remove non- and double RH. 45
Question & Answer
On to the demo…
46
Examples
47
Class Example 100-300 MW Oil UnitClass Example 100-300 MW Oil Unit
Example for locating your unit for comparing to others
• AF and EAF distributions
Suppose that your unit is between 100-300 MW and burns oil as its primary fuel. How would you locate other units in GADS and compare yourself to them?
48
Class Example 100-300 MW Oil UnitClass Example 100-300 MW Oil Unit
STEP
1. Double Click on pc-GAR icon
2. Click on “New Report Wizard”
3. Input Study Description
4. Input Author
5. Click on pull down menu for “Unit Type”
6. Click on desired Unit Type (fossil-steam)
7. Click on pull down menu for “Units”
8. Click on “All Units Including Own”
9. Click on “Next”
10. Enter “1993” through “1997” in “Years” window 49
Class Example 100-300 MW Oil UnitClass Example 100-300 MW Oil Unit
STEP
11. Click on “Add a Criteria” Button
12. Select Window for 1st Criteria Category (Physical, Performance or All)
13. Enter Select Criteria
14. Click on “Add a Criteria Button”
15. Select Window for 2nd Criteria Category
16. Enter Select Criteria
17. Click on “Apply Criteria”
18. Click on “OK”
19. Note number of Units Selected
20. Click on “Next”50
Class Example 100-300 MW Oil UnitClass Example 100-300 MW Oil Unit
STEP
21. Click on “Next”
22. Click on “Save” (after adding Title 1,2 or comments if desired)
23. Highlight desired study
24. Click on “Print Report”
25. Click on “Unit Statistics Distributions”
26. Check AF & EAF
27. Click on “OK”
28. Check “Print Unit Names on Cover Page”
29. Check on “Print”
30. Observe Page 1 of report results 51
Class Example 100-300 MW Oil UnitClass Example 100-300 MW Oil Unit
STEP
31. Click on Page “down”
32. Observe statistics for mean & median values for AF & Distributions
33. Write down 10th, 25th, 75th and 90th percentiles and Mean & Median values of AF
34. Repeat steps 31-33 for EAF
35. If you have time, try another technology (Hydro, GT, CC, or another type fossil steam on your own
52
Question & Answer
53
What is pc-GAR MT?
54
What is pc-GAR MT?What is pc-GAR MT?
Software product to provide a distribution of times to repair (TTR) and times between failures (TBF)
Software product to provide Mean TTR and Mean TBF for modeling and analysis programs
Software product that allows YOU control of the units in the data set.
55
Events as Reported to GADSEvents as Reported to GADS
Most events are shown as one, continuous activity per year
However, there are some where the single event is divided into parts by:
• Months for internal utility reporting
• Years as part of the GADS cut off
56
Need for New SoftwareNeed for New Software
Combine monthly events into one
Combine year-ending & year starting events into one
Ability to isolate events by event types
Ability to isolate events by cause codes or groups of cause codes
57
The pc-GAR MT PlanThe pc-GAR MT Plan
Year 1 Year 2
Month 1 Month 2 Month 3
Event 1 Event 1 Event 1
Event 1
Year 2
Goal: one event, no matter its start or end!
58
The ProgrammingThe Programming
pc-GAR
New Data HandlingSoftware
pc-GAR MT
59
Why pc-GAR MT?Why pc-GAR MT?
Determine more accurately the times between failures for modeling
Determine more accurately the repair times for shorter down time
Manage inspections to equipment to prevent forced outages
Evaluate operating/maintenance practices
60
What’s in common between pc-GARs?What’s in common between pc-GARs?
Same design retrievals
Same performance retrievals
Same ability to use range or year option
Same years of resource
Same wizard for selecting units
Different output reports
61
What’s in common between pc-GARs?What’s in common between pc-GARs?
Design data Event/Performance Data Fuel Data
Retrieval Criteria
pc-GAR MTpc-GARpc-GAR
62
pc-GAR MT Main Screenpc-GAR MT Main Screen
Once the criteriais chosen, you start the MT retrieval with thisbutton.
63
pc-GAR MT Cause Code Selectionpc-GAR MT Cause Code Selection
64
pc-GAR MT Event Type Selectionpc-GAR MT Event Type Selection
65
pc-GAR MT Output pc-GAR MT Output
Example of pc-GAR MT output. Lots of information! 66
FD or ID Fan ProblemsFD or ID Fan Problems
Fossil units, 400-499 MW during 1993-1997
Problems with more than 1 hour of full forced outage.
24 out of 146 events were less than 1 hour!
67
Versions of pc-GAR and pc-GAR MTVersions of pc-GAR and pc-GAR MT
pc-GAR
• Annual update normally in the fall of the next year
• 14 month subscription
pc-GAR+Plus
• Monthly update with all new data passing the GADS edit programs
• 12 months subscription
pc-GAR MT
• Annual update normally in the fall of the next year
• 14 month subscription 68
Versions of pc-GARVersions of pc-GAR
Power Generator Version
• Assess to manufacturer-specific data
• Assess to own unit data
Manufacturer’s Version
• Assess to own manufacturer equipment and units
• All competitors are grouped as own manufacturer
All others
• No assess to manufacturer or unit-specific data
• Rule: 3 utilities and 7 units for any reports69