presentationvalgranada20120117.pdf

8/10/2019 presentationvalgranada20120117.pdf

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Planning, Simulation and YieldCalculation of Solar Power Plants

Dr. Gerhard Valentin

Valentin SoftwareBerlin, Germany


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Agenda

Introduction Simulation of Solar Heating Systems

Im act of Environmental Factors

International Conference RIO 12 Granada, Nicaragua

Simulation of Grid Connected PV-Systems

Simulation of Off-Grid PV-Systems

17.01.2012


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Dr. Valentin EnergieSoftware GmbHSoftware development, design for solar heating and photovoltaic systems

Established 1988

40 employeesDr. Valentin EnergieSoftware GmbH

International Conference RIO 12 Granada, Nicaragua

Berlin, Germany

www.valentin.de

Valentin Software Inc.

Temecula, CA, USA

www.valentin-software.com

17.01.2012


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Main Software Products

The dynamic simulation program forthe design and optimization of solarheating systems

17.01.2012 International Conference RIO 12 Granada, Nicaragua

The dynamic simulation programfor the professional design andcalculation of grid-connected andstand-alone photovoltaic systems


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Select a System- District Heating Systems

International Conference RIO 12 Granada, Nicaragua17.01.2012


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Simulation



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Results Project Report



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Simulation and Yield Calculationof Solar Power Plants

Location: Toledo, SpainPower: 2 MW

Reference: B. Schwarze



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Dynamic SimulationProgram for the Designand Yield Calculationof Grid-Connected andOff-Grid Photovoltaic

PV*SOLPro / Expert


Systems


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PV*SOL Pro / ExpertFull Feed-In System

PV Array Inverter Power Grid


Meter


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PV*SOL Pro / ExpertNet Metering System

PV Array InverterPower Grid

17.01.2012 International Conference RIO 12 Granada, Nicaragua12

Consumption

e er ng


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PV*SOL Pro / ExpertOff-Grid System

Controller


PV Array Inverter

Generator Consumption

Battery


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Why is Simulation Software needed?

Location: Barcelona, SpainPower: 2.5 MW



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Many Factors Influence Power PlantSystem Yield & Module Selection

Location Strength of sunlight

Site Area Is space limited or

Orientation ofModule

Temperature

p ma rra a on

Module spacing

Partial shadingfrom rows in array

Installation Cost

Per kWp



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No Clear Answer in Respect toSystem Design and Energy Yield

Too many variables need considerationToo many variables need consideration

* .

Simulation is required.Simulation is required.

The Calculated yield estimates will differ for each module typebased on the site specific design criteria.The Calculated yield estimates will differ for each module typebased on the site specific design criteria.



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Design Approach with PV*SOL

Focus on the system and environmental criteria,such as: Location for climate data

Space (area for array) Orientation Module and inverter preference

PV*SOL performs the analysis and calculatesthe yields



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Meteorological Data

Consumption Profile

Input Output

Energy Balance

Final Yield


Module Modeling Inverter Modeling

Tariffs

Others

Simulation

Efficiency Economic Balance

Return of Investment


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Meteorological Data Climate Data Generator MeteoSyn



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Irradiation Hourly Values for:

Irradiation

Outside Temperature

Wind Velocity

8760 Values per YearLoaded from a Database



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Orientation of the Modul Area



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PV*SOL Calculates Shade



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Roof Top Systems



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Module Database



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How Does PV*SOL Evaluate DifferentComponents of a System?

Simulation based on I-V Efficiency Curves:Simulation based on I-V Efficiency Curves:

Calculation of Module Temperature using hourlyIrradiation and wind velocity

Current and voltage per Module are calculated byusing the MPP in respect to the chosen Inverter



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Simulation



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Meteorological Data

Consumption Profile

Energy Balance

Final Yield

InputInput OutputOutput


Module Modeling Inverter Modeling

Tariffs

Others

Efficiency Economic Balance

Return of Investment

Simulation


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Energy Yield



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Impact of Environmental Factors withRegard to the Yield

Location: Extremadura, SpainPower: 3.0 MWReference: www.geosol.com



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Partial Shading Impact on Crystalline andThin Film Modules

100%

For Las Vegas

90%

91%

92%

93%

94%

95%

96%

97%98%

no shading shaded

Crystalline

Thin film



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Impact of the Location of a Crystalline anda Thin Film Module

5.000

6.000

0

1.000

2.000

3.000

4.000

Lisbon Las Vegas

M e g a w a

t t h o u r s

Crystalline

Thin film



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Design and Simulation Program for Off-GridSystems


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SMA Off Grid Configurator



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Design 2 to 300 kW plants in aflexible manner

Calculate an optimized systembased on the loads

Simulate the load, inverter,modules, battery, and dieselgenerator

Calculate the plant's profitability

Clearly present the results in aproject folder

Professional system design

The SMA Configurator willsave you planning time



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1. Enter project data and select

climate data2. Enter electrical loads

3. Select PV modules

SMA Off-Grid ConfiguratorResults in 9 steps

.

5. Enter the backup generator6. Calculate or enter the Sunny

Island and batteries

7. Simulate the plant

8. Calculate profitability9. Display results



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The program calculates battery lifetime


taking into consideration:- all electrical loads and load profiles

- the size of the battery

- the diesel generator

- climate data

- the PV array


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Thank You for Your Attention


Off-Grid System in Nepal

Designed with PV*SOL

presentationvalgranada20120117.pdf

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