Post on 16-Dec-2015
Power plant monitoring for reliable performance and safe investment
Grid-Connected PV Systems – Business and TechnologicalOpportunities and Developments in Indonesia5 May 2014, Jakarta, Indonesia
www.skytron-energy.com
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Neuhardenberg – Germany / Enerparc, 76.57 MWp, 2012 &pv backoffice, 61.72 MWp, 2013
250 ha or 618 ac 350 Football Fields
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Module Price
BOS Price
Project Price Development
Development of Project EPC Prices
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Monitoring?
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Monitoring of Power Production in Solar PV
01
Why?
02
Situation?
03
How?
04
And now?
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Why
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Why
Damaged Modules (mounting, manufacturing)
LightningLightning
Bad InstallationBad Installation
Module Degradation
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Why
Less Efficient String Performance
AnimalAnimal
Weed & PlantWeed & Plant
Dust, Dirt & Shadowing
Dust, Dirt & Shadowing
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Why
Inverter Down
no I
1
Clouds
2
Voperating3
Clouds(identical variationsin current and irradiation curves)
4
Powerfailure
5
Voc = 900 V6
7
“Don‘t let thesun go down on me”
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Investors & Banks
Insurances
EPC & Plant Operators
Grid Operator
O&M / Control Room
Why? Who Is Interested?
Efficiency & Availability
Safety & Reliability
Maximum Yields
Secure Investments & ROI
Grid Stability & Service
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01
Why?
02
Situation?
03
How?
04
And now?
Remote Control of Power Production in Solar PV
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Situation
Source: MEMR 2013
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QUALITY COUNTS
Situation
Sample Plant : 51 MW DC Installed / 75 Central Inverters / 9528 Strings
Located in Indonesia (adapted to sample plant) 1800 kWh/kWp in 2013PPA 0.10 USD/kWh
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01
Why?
02
Situation?
03
How?
04
And now?
Remote Control of Power Production in Solar PV
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MeasureCollectSaveCalculateManageVisualizeAnalyzeControl
“Monitoring”
How? Know what is going on in the plant!
Instrumentation and Control, orMonitoring, Control and Supervision
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Monitoring: Generator FieldAll electrical quantities (string currents, voltages) Ambient conditions – solar irradiation, weather
Monitoring: InvertersMonitoring should be independent of inverter type and make
How? Maintain a comprehensive plant database!
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Monitoring of the PV generatorHigh resolution, high precision → real-time monitoringString currents: 100 ms scan rate, 0.5% precision
Data acquisition, locally, on site (= data logging)Short-term data storage (weeks): 1-minute mean values
Long-term data storage ( = Data Hosting)Data maintenance and analysis over entire plant life cycle
Control Room (SCADA)
How? Supervise the entire plant!
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How? Keep the power feed under control!
04 SUPERVISORY LEVEL PVGuard®
03 CONTROL LEVELEnergyGuard
skycontrol
skylog®
01 SENSOR LEVEL
ArrayGuard®StringGuard®
skyCONNi®
02 DATA ACQUISITION LEVEL
System Overview
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01
Why?
02
How?
03
Example
04
And now?
Remote Control of Power Production in Solar PV
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1995 1998 1999 2008
solar city Award(Stadt Berlin)
Nominated for eco design Award(Austria)
Environment Award(Stadt Berlin)
Intersolar Awardfor
StringGuard® String Current Monitoring
PVGuard® Control Room Platform (SCADA)
skytron energy GmbH
2012 and 2013:Nominated for Intersolar Awardfor our skycontrol power plant controller
2012
Committed to “Renewables”
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CANADA 67.9 MWp UNITED KINGDOM
50.3 MWp
FRANCE191.6 MWp
SPAIN70.9 MWp
ITALY267.5 MWp
SLOVAKIA2 MWp
GREECE7.2 MWp
UKRAINE751.6 MWp
CZECH REPUBLIC72.1 MWp
GERMANY2 459.7 MWp
BELGIUM10.4 MWp
THAILAND18.1 MWp
BULGARIA8.2 MWp
TONGA1 MWpCHILE
31.7 MWp
4.5 GWp worldwide rely on skytron® energy
QATAR0.7 MWp
ROMANIA154.9 MWp
MALAYSIA5.4 MWp
KUWAIT0.117 MWp
AUSTRALIA0.13 MWp
URUGUAY 1.8 MWp
SAUDI ARABIA0.15 MWp
MAURITIUS15 MWp
USA 5.8 MWp
INDIA296 MWp
RUSSIA1 MWp
ISRAEL4.1 MWp
O F F I C ES : DA L L A S / SA N T I AG O D E C H I L E / B E R L I N / C A P E TOW N / B A N G A LO R E / S I N G A P O R E / B E I J I N G
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Positioning
Customers – SamplesGlobal Customer Base and Long-term Relations
Germany Europe Asia US
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Worldwide Service & Support
Operation & Maintenance Service - Fulfilling Your Needs -
Project Engineering
Data Logging Planning
Commissioning
Optimum Start
Maintenance
Fresh Cell Therapy
Control Room
Everything Under Control
WorkshopsO&M Consulting
Sustainable Training&Set Up
Our Hotline
For Rapid Support
Avoid expensive retrofitting from the outset - depending on the installation site and the applied PV plant components, our project engineering team plans all the measurement points that require monitoring.
We provide the complete configuration of necessary technology, data communication and data banks, in addition to the adjustment of the power plant control system to meet the requirements of the local public utility company.
Extend the lifecycle of your PV power plant and the warranty of your installed components! Our maintenance team inspects, repairs and updates your power plant on a continuous basis.
Our highly-trained control room team, with its extensive experience in renewable energies, provides permanent management, monitoring, documentation and analysis of your PV power plant.
skytron PV plant monitoring and control solutions are comparatively unique in the young solar market. For a good introduction and to cover the basics of our monitoring concept, we offer regular training workshops at our head office in Berlin.
So as to be able to react quickly and competently to your requests in the case of an emergency, we provide a number of ways for you to quickly reach the right contact person
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Forecast Integration
› Forecast capabilities are already included and will be enhanced continuously
› A state-of-the-art photovoltaic power plant production prognosis is available for all plants monitored in PVGuard®
› The self-learning forecast algorithm doesn‘t need any plant specific configuration
› Prognosis is based on high quality weather forecast
› Forecast includes energy yield (plant level), radiation and temperature
› Up to six days in one hour resolution
Yield Prognosis Example:green - plant powerblue - prognosis
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“The bitterness of poor quality is remembered long after the sweetness of low price has faded from memory.” Aldo Gucci quote
Monitoring & Control PLUS
Cooperative System Engineering YES,
WE CAN!