composite load model data preparation using pnnl load ... lmdt- etingov.pdf · water heat cooking...
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Composite Load Model Data
Preparation using PNNL Load
Model Data Tool
Pavel Etingov, Yuan Liu, Heng Wang
April 3, 2019
PNNL-SA-140795
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Load Model Data Tool (LMDT)
• LMDT was developed in collaboration with BPA and WECC LMTF
• Current development funded by DOE-OE Advanced Grid Modeling and Transmission Reliability Programs
• LMDT automates the process of the load composite model data preparation
• LMDT supports GE PSLF and Siemens PSSE formats
• LMDT is released under an open source license
Project Team
• Yuan Liu
• Qiuhua Huang
• Soumya Kundu
• Indrasis Chakraborty
• Jason Hou
• Huifen Zhou
• Heng Huang
• Pavel Etingov
https://svn.pnl.gov/LoadTool
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• Motor A - 3-phase compressor motors (air-conditioners, refrigerators)
• Motor B – 3-phase fan motors
• Motor C – 3-phase pump motors
• Motor D – single-phase motors
• PE – power electronics load
• Static load – constant current and constant impedance load
Composite Load Model for dynamic simulations
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LMDT Main Features
• Database of load models
▪ Climate zones
▪ Load Types
✓ Residential
✓ Commercial
✓ Industrial
✓ Data
✓ Services
▪ Seasons
▪ Operation hours
• Advanced GUI and visualization
• PSLF Supported Models
▪ CMPLDW(G)
✓ Buses
✓ Long ID
▪ _CMPLDW
✓ Climate Zones
✓ Areas
✓ Zones
✓ Owners
• PSSE Supported Models
▪ CMLDxxU1
▪ CMLDxxU2
✓ Buses (BL)
✓ Areas (AR)
✓ Zones (ZN)
✓ Owners (OW)
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New Features in LMDT 2.2
• Extended to the Eastern interconnection and ERCOT
▪ Work still in progress, the tool needs more testing
▪ Regional load models were provided by Dave Chassin and Berk Serbetcioglu (SLAC National Accelerator Laboratory)
• PSLF
▪ Distributed Generation Support
▪ Load model for a group
• PSSE
▪ Load model for a group
• Torque-slip characteristic calculation
• Support of external load composition datasets
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• Hourly load shapes for different load types in CSV format
▪ Located in \ModelDB\ folder
▪ Different load type
✓ Commercial
✓ Residential
✓ Industrial
✓ Agricultural
✓ Data
✓ Service
• Information collected by
▪ Climate zones
▪ Seasons
Load Model Database
▪ Heating
▪ Cooling
▪ Vent
▪ Water Heat
▪ Cooking
▪ Refrig
▪ ExtLight
▪ IntLight
▪ OfficeEquip
▪ Misc
▪ Process
▪ Motors
▪ AirComp
Commercial load
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• Hourly load shapes for different load types in CSV format
▪ Located in \ModelDB\ folder
▪ Different load type
✓ Commercial
✓ Residential
✓ Industrial
✓ Agricultural
✓ Data
✓ Service
• Information collected by
▪ Climate zones
▪ Seasons
Load Model Database
Residential load
▪ Heating
▪ Cooling
▪ Vent
▪ WaterHeat
▪ Cooking
▪ Refrig
▪ ExtLight
▪ IntLight
▪ Electronics
▪ Appliances
▪ Misc
▪ Vehicle
▪ Heating
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Rules of association
• Link between load composition (end use) data and model fractions
• Defined for each climate zone
• Can be stored as a preset in the program configuration file
End Use Data
Load Composition Fractions
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• Four feeder types
▪ RES – residential
▪ COM – commercial
▪ MIX – mixed (default)
▪ RAG – rural / agricultural
• Custom industrial feeders (petro-chemical, paper mill, steel mill, semiconductor)
• Defined for each climate zone
• Can be stored as a preset in the program configuration file
Feeder configuration
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• Parameters for Motors A, B, C, and D
• Stored in CSV format
• Located in \Motor\ folder
Motor Parameters
File Selector
Torq
ue-S
lip p
lot expander
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Area Data
• Climate zones data mapping with power flow case Areas, Zones, or Owners
• Stored in CSV format
• Located in \Area\ folder
File Selector
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Bus Data
• Climate zones data mapping with corresponding buses in power flow case
• Stored in CSV format
File Selector
Climate Zone IDDG information
(optional)
Thresholds
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Composite load model parameters calculation
• Step 1: Select season
• Step 2: Select operating hour
• Step 3: Click “Update Model” button
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2
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Creating Dynamic Records – by Bus
• Step 1: Select bus data
• Step 2: Select PSLF/PSSE load model
• Step 3: Select by “Bus” option
• Step 4: Click “Generate”
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3
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Composite load records by bus
• Buses above thresholds are selected
• DYD/DYR Generated for all selected buses
PSSE PSLF
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Creating Dynamic Records – by Group
• Step 1: Select area data
• Step 2: Select PSLF/PSSE load model
• Step 3: Select Area, Zone, or Owner option
• Step 4: Click “Generate”
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3
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PSLF only
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Composite load records by group
• DYD/DYR Generated for all areas in the list
PSSE PSLF
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PSLF _CMPLDW model for a climate zone
• Available in PSLF 21.0.6
• Composite load model for a group:
▪ Climate zone
▪ Area
▪ Zone
▪ Owner
• To use climate zone, the bus records in the power flow case should include climate zone ID information
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Distributed Generation (DG) in PSLF
DER_A
Composite Load Model with
DG:
CMPLDWG
Supports PVD1
Supports DER_A
_CMPLDW
Supports PVD1
DER_A (recently added by
GE)
PVD1
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DG Data
• Two types of DG:
▪ PVD1 (simplified model)
▪ DER_A
• Support of multiple sets of DG parameters (“ID” links to corresponding bus in power flow case)
• Stored in CSV format
• Located in \DG\folder
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PVD1 record example
• Bus 202 – DG ID=“DG1”
• Parameters with ID “DG1”are used
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DER_A record example
• New PSLF modular structure of the dyd file
• Bus 306 – DG ID=“-100”
• Parameters with ID “-100” are used
dyd file header
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Support of external load composition dataset
Unselect checkbox
Select load composition file
1 #AREA 25 ID_MotorA
2 Tx_Lf 26 ID_MotorB
3 Tx_X 27 ID_MotorC
4 Tx_HS 28 ID_MotorD
5 Tx_LS 29 ID_PwrElec
6 TX_LTC 30 ID_DG
7 Tx_TapMax 31 Lc_MotorA
8 Tx_TapMin 32 Lc_MotorB
9 Tx_TapStep 33 Lc_MotorC
10 Tx_Vmax 34 Lc_MotorD
11 Tx_Vmin 35 LC_PwrElec
12 Tx_Rcomp 36 Lc_DG
13 Tx_Xcomp 37 Lc_StatPF
14 Tx_Ttap 38 Lc_Zp
15 Tx_Tdelay 39 Lc_Ip
16 B_sub 40 Lc_Pp
17 Fdr_DeltaV 41 Lc_Zq
18 Fdr_Vmin 42 Lc_Iq
19 Fdr_Vmax 43 Lc_Qq
20 R_fdr 44 Lc_Pf
21 X_fdr 45 Lc_Qf
22 Fdr_LoadPF 46 Report
23 Fdr_ShSplit 47 Vac_stall
24 Fdr_Plossmax 48 Area_ID
The same csv file structure used in LMDT 1
New optional parameter
Lin
k to D
G I
D
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Conclusions and Future Work
• Support of group models for PSLF and PSSE was added
▪ It helps significantly reducing the size of dyd/dyr files
• The LMDT tool database was extended to the East and ERCOT
▪ It needs more testing and not publically available at this moment
▪ It can be provided for testing by request
▪ User feedback needed
• Next step
▪ Adding support of PSLF CMPLDW2 and _CMPLDW2 models
▪ Adding support of PSSE DG models
▪ Implementing configurable industrial and custom loads
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Thank you
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Tool and information available at:
https://svn.pnl.gov/LoadTool
For more information or an account, contact
Pavel Etingov at:
The authors thank the Department of
Energy’s Office of Electricity’s Advanced
Grid Modeling and Transmission Reliability
programs for the funding support under the
Grid Modernization Laboratory Consortium.
Thanks to the DOE Consortium for Electric
Reliability Technology Solutions (CERTS)
and the BPA TI Program for earlier version
funding.