Østkraft Demo Site - TUNI Demo Site... · Østkraft Demo Site Torben Vesth Hansen ØSTKRAFT...
Transcript of Østkraft Demo Site - TUNI Demo Site... · Østkraft Demo Site Torben Vesth Hansen ØSTKRAFT...
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ideal grid for all
Østkraft Demo Site
Torben Vesth Hansen
ØSTKRAFT Holding A/S,
Denmark
IDE4L Symposium, Brescia18th May 2016
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ideal grid for all 18/05/2016 WWW.IDE4L.EU – IDE4L Symposium, BresciaSLIDE 2
• Østkraft distribution network
• Demo deployment
• Demo results
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ideal grid for all 18/05/2016 WWW.IDE4L.EU – IDE4L Symposium, BresciaSLIDE 3
ØSTKRAFT (LV network)
ASSETS:• 1 Secondary substation
• 4 LV feeders
• 126 customers• 12 PV
• 10 HP
• 2 Direct heating
LV USE CASES:• Monitoring
• Load and Production Forecaster
• State Estimator
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ideal grid for all 18/05/2016 WWW.IDE4L.EU – IDE4L Symposium, BresciaSLIDE 4
ØSTKRAFT (LV network)
LV – Feeders
Smart meter Concentrator
LV monitoring
Substation29 Tejn
SSAU
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ideal grid for all 18/05/2016 WWW.IDE4L.EU – IDE4L Symposium, BresciaSLIDE 5
ASSETS:• 1 Primary substation
• 2 Secondary substations
• 1 MV feeder
MV USE CASES:• FLISR
ØSTKRAFT (MV network)
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ideal grid for all 18/05/2016 WWW.IDE4L.EU – IDE4L Symposium, BresciaSLIDE 6
MV switch gear29 Tejn
MV monitoring and control equipment29 Tejn
ØSTKRAFT (MV network)
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ideal grid for all 18/05/2016 WWW.IDE4L.EU – IDE4L Symposium, BresciaSLIDE 7
• Østkraft distribution network
• Demo deployment
• Demo results
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ideal grid for all
Placement of Smart Meters
• Measurements aggregate 3ph values of load and production
• Influence on LF
• Differences in phase values are unnoticed
• Concept remain validHowever decreased accuracy of LF
• In case of missing measurements, LF provide backup from historian values
18/05/2016 WWW.IDE4L.EU – IDE4L Symposium, BresciaSLIDE 8
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ideal grid for all
Measurement interval
• SM measurements arrive in SSAU once per day• Active power has 5. min. resolution
• Non-realtime but not critical
• SE gets pseudo-inputs from LF instead of SM• No direct connection to field measurements
• Voltage measurement at substation• Only parameter that updates during the day in
realtime
18/05/2016 WWW.IDE4L.EU – IDE4L Symposium, BresciaSLIDE 9
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ideal grid for all 18/05/2016 WWW.IDE4L.EU – IDE4L Symposium, BresciaSLIDE 10
SAU specs• Cost-efficient SAU PC with minimal specs
• Industrial PC, Model Simatic IPC227D
• 250GB HDD, Intel Atom Processor E640 (512 kB cache, 1.0 GHz), 1 GB RAM
• Closed cabinetno active cooling
• 40 W power supply
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ideal grid for all 18/05/2016 WWW.IDE4L.EU – IDE4L Symposium, BresciaSLIDE 11
Execution times
• AIMIS software ca. 15 minutes (1/day)• Begins 4 AM to collect from previous day
• LF ca. 45 minutes for 126 load profiles (1/day)• Profiles on new data are finished at 5 AM
• LF time horizon is 30h to provide backup
• SE ca. 60-150 seconds to run (1/30. min)
• Slower than anticipated due to PC specs
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ideal grid for all
Deployment LV• Issues with voltage measurement at substation
• Reference point for SE voltage
• Varying amount of historian data for customers as input to LF
• Solar irradiation not available for PV forecasts• LF forecasts combined load and production
18/05/2016 WWW.IDE4L.EU – IDE4L Symposium, BresciaSLIDE 12
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ideal grid for all
Deployment MV• Delays with programming
• Tests done in lab
• To be tested in field
18/05/2016 WWW.IDE4L.EU – IDE4L Symposium, BresciaSLIDE 13
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ideal grid for all 18/05/2016 WWW.IDE4L.EU – IDE4L Symposium, BresciaSLIDE 14
• Østkraft distribution network
• Demo deployment
• Demo results
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ideal grid for all 18/05/2016 WWW.IDE4L.EU – IDE4L Symposium, BresciaSLIDE 15
• ‘Regular’ customer
• Two days in AprilFriday and Saturday
• Continuity in forecasts
• Accurate forecasts
• KPIhour: Root Mean Square Error (RMSE)=0.0580 kW
Load Forecast results (1)
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ideal grid for all 18/05/2016 WWW.IDE4L.EU – IDE4L Symposium, BresciaSLIDE 16
New forecast New forecast
5 min measurments compared to the forecast
Measurements aggregated to 1 hour values compared to the forecast
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ideal grid for all 18/05/2016 WWW.IDE4L.EU – IDE4L Symposium, BresciaSLIDE 17
• HP customer (Air/water)
• Four days in AprilWednesday - Saturday
• High volatility in HP consumption
• Difficult to predict behavior
• KPIhour: Root Mean Square Error (RMSE)= 0.5055 kW
Load Forecast results (2)
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ideal grid for all SLIDE 18 WWW.IDE4L.EU – IDE4L Symposium, Brescia
New forecast New forecast
18/05/2016
5 min measurments compared to the forecast
Measurements aggregated to 1 hour values compared to the forecast