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{{DISPLAYTITLE:Main Page}}<languages /> <strong>Welcome to the Open Source Solar Project</strong> The mission of Open Source Solar Project is to share information in various langauges about the design and installation of off-grid photovoltaic (PV) systems to lead to better performing, safer systems in the developing world. Please reach out to alex@opensourcesolar.org if you are interested in collaborating, have found mistakes, would like to contribute or need assistance creating training materials. Be advised that design, installation, and maintenance work should only be performed by qualified individuals in accordance with local codes and laws. There is no guarantee that the information provided on this website is accurate or complete - use it at your own risk. It is intended to serve as an educational and reference resource - appropriate hands on training is required in order to safely work with electricity and PV systems. See [[Special:MyLanguage/Training providers|Training providers]] for a list of recommended training providers. Consult the [https://www.mediawiki.org/wiki/Special:MyLanguage/Help:Contents User's Guide] for information on using the wiki software. ==About OSSP== *[[Special:MyLanguage/About OSSP|About OSSP]]<br /> ==Basic concepts== *[[Special:MyLanguage/What is an off-grid PV system?|What is an off-grid (stand-alone) PV system?]]<br /> *[[Special:MyLanguage/PV system types|PV system types]]<br /> *[[Special:MyLanguage/Basic stand-alone PV system components|Basic stand-alone PV system components]]<br /> *[[Special:MyLanguage/Electricity and energy|Electricity and energy]]<br /> *[[Special:MyLanguage/Electricity types|Electricity types]]<br /> *[[Special:MyLanguage/Voltage and frequency by country|Voltage and frequency by country]]<br /> *[[Special:MyLanguage/Power flow between components|Power flow between components]]<br /> *[[Special:MyLanguage/Series and parallel connections|Series and parallel connections]]<br /> *[[Special:MyLanguage/Electrical codes|Electrical codes]]<br /> *[[Special:MyLanguage/Electrical safety|Electrical safety]]<br /> *[[Special:MyLanguage/Multimeters|Multimeters]]<br /> ==System components== ====Certifications and ratings==== *[[Special:MyLanguage/Equipment certification|Equipment certification]]<br /> *[[Special:MyLanguage/Weather rating|Weather rating]]<br /> ====Photovoltaic (PV) source==== *[[Special:MyLanguage/PV module|PV module (PV source, solar panel)]]<br /> *[[Special:MyLanguage/Insolation|Insolation (peak sun hours)]]<br /> *[[Special:MyLanguage/Tilt and azimuth|Tilt and azimuth]]<br /> *[[Special:MyLanguage/Shading|Shading]]<br /> *[[Special:MyLanguage/Module connectors|Module connectors]]<br /> *[[Special:MyLanguage/Combiner box|Combiner box]]<br /> ====Energy storage==== *[[Special:MyLanguage/Energy storage|Energy storage]]<br /> *[[Special:MyLanguage/Lead acid battery|Lead acid battery]]<br /> *[[Special:MyLanguage/Lithium-ion battery|Lithium-ion battery]]<br /> *[[Special:MyLanguage/Shunt|Shunt]]<br /> ====Charge controller==== *[[Special:MyLanguage/Charge controller|Charge controller]]<br /> ====Inverter==== *[[Special:MyLanguage/Inverter|Inverter]]<br /> ====Power distribution==== *[[Special:MyLanguage/Distribution panel|Distribution panel]]<br /> *[[Special:MyLanguage/DIN rail|DIN rail]]<br /> *[[Special:MyLanguage/Busbar|Busbar]]<br /> *[[Special:MyLanguage/Wire terminal|Wire terminal]]<br /> *[[Special:MyLanguage/Twist-on wire connector|Twist-on wire connector (wire nut, marrette)]]<br /> *[[Special:MyLanguage/Switch|Switch]]<br /> *[[Special:MyLanguage/Outlet|Outlet]]<br /> ====Mounting system==== *[[Special:MyLanguage/Mounting system types|Mounting system types]]<br /> ====Conductors (wires, cables)==== *[[Special:MyLanguage/Conductor types|Conductor types]]<br /> *[[Special:MyLanguage/Conductor size|Conductor size]]<br /> *[[Special:MyLanguage/Insulation color|Insulation color]]<br /> ====Physical conductor protection==== *[[Special:MyLanguage/Conduit|Conduit]]<br /> *[[Special:MyLanguage/Junction box|Junction box]]<br /> ====Protection devices and disconnects==== *[[Special:MyLanguage/Overcurrent protection device|Overcurrent protection device (OCPD)]]<br /> *[[Special:MyLanguage/Disconnects|Disconnects]]<br /> *[[Special:MyLanguage/Residual current device|Residual current device (RCD or GFCI)]]<br /> *[[Special:MyLanguage/Ground fault protection device|Ground fault protection device (GFPD)]]<br /> ====Grounding==== *[[Special:MyLanguage/Grounding system|Grounding system]]<br /> ====Loads (lighting and appliances)==== *[[Special:MyLanguage/Lighting|Lighting]]<br /> *[[Special:MyLanguage/Energy efficient loads|Energy efficient loads]]<br /> *[[Special:MyLanguage/Low voltage disconnect|Low voltage disconnect]]<br /> *[[Special:MyLanguage/DC-DC converter|DC-DC converter]]<br /> ==System design== ===Design tools=== *[[Special:MyLanguage/OSSP stand-alone system design tool|OSSP stand-alone system design tool]] ===Background=== *[[Special:MyLanguage/Design process overview|Design process overview]]<br /> *[[Special:MyLanguage/Stand-alone system configurations|Stand-alone system configurations]]<br /> *[[Special:MyLanguage/DC system voltage|DC system voltage]]<br /> *[[Special:MyLanguage/Voltage drop|Voltage drop]]<br /> *[[Special:MyLanguage/Surge loads|Surge loads]]<br /> *[[Special:MyLanguage/Power factor|Power factor]]<br /> *[[Special:MyLanguage/Duty cycle|Duty cycle]]<br/> ===Site evaluation=== *[[Special:MyLanguage/Site evaluation process overview|Site evaluation process overview]]<br /> ====Simplified design process==== *[[Special:MyLanguage/Simplified physical evaluation|Simplified physical evaluation]]<br /> *[[Special:MyLanguage/Simplified load evaluation|Simplified load evaluation]]<br /> *[[Special:MyLanguage/Simplified weather and solar resource evaluation|Simplified weather and solar resource evaluation]]<br /> ====Detailed design process==== *[[Special:MyLanguage/Load evaluation|Load evaluation]]<br /> *[[Special:MyLanguage/Physical evaluation|Physical evaluation]]<br /> *[[Special:MyLanguage/Weather and solar resource evaluation|Weather and solar resource evaluation]]<br /> *[[Special:MyLanguage/Load and solar resource comparison|Load and solar resource comparison]]<br /> ===Design parameters=== ====Simplified design process==== *All design parameters are incorporated into the other simplified design process pages. ====Detailed design process==== *[[Special:MyLanguage/Design parameter overview|Design parameter overview]]<br /> *[[Special:MyLanguage/Irradiance safety parameter|Irradiance safety parameter]]<br /> *[[Special:MyLanguage/Continuous duty safety parameter|Continous duty safety parameter]]<br /> *[[Special:MyLanguage/Low voltage disconnect parameter|Low voltage disconnect parameter]]<br /> ===Energy storage sizing and selection=== ====Simplified design process==== *[[Special:MyLanguage/Simplified energy storage sizing and selection|Simplified energy storage sizing and selection]]<br /> ====Detailed design process==== *[[Special:MyLanguage/Energy storage sizing and selection|Energy storage sizing and selection]]<br /> ===PV source and charge controller sizing and selection=== *[[Special:MyLanguage/PV source and charge controller sizing and selection overview|PV source and charge controller sizing and selection overview]]<br /> ====Simplified design process==== *[[Special:MyLanguage/Simplified minimum PV source size|Simplified minimum PV source size]]<br /> *[[Special:MyLanguage/Simplified PWM charge controller sizing and selection|Simplified PWM charge controller sizing and selection]]<br /> *[[Special:MyLanguage/Simplified MPPT charge controller sizing and selection|Simplified MPPT charge controller sizing and selection]]<br /> ====Detailed design process==== *[[Special:MyLanguage/Minimum PV source size|Minimum PV source size]]<br /> *[[Special:MyLanguage/PWM charge controller sizing and selection|PWM charge controller sizing and selection]]<br /> *[[Special:MyLanguage/MPPT charge controller sizing and selection|MPPT charge controller sizing and selection]]<br /> ===Inverter sizing and selection=== ====Simplified design process==== *[[Special:MyLanguage/Simplified inverter sizing and selection|Simplified inverter sizing and selection]]<br /> ====Detailed design process==== *[[Special:MyLanguage/Inverter sizing and selection|Inverter sizing and selection]]<br /> ===Wire, overcurrent protection, and disconnect sizing and selection=== ====Simplified design process==== *[[Special:MyLanguage/Simplified wire, overcurrent protection, and disconnect sizing and selection|Simplified wire, overcurrent protection, and disconnect sizing and selection]] ====Detailed design process==== *[[Special:MyLanguage/Wire, overcurrent protection, and disconnect sizing and selection|Wire, overcurrent protection, and disconnect sizing and selection]] ===Grounding system sizing and selection=== ====Simplified design process==== *[[Special:MyLanguage/Simplified grounding system sizing and selection|Simplified grounding system sizing and selection]]<br /> ====Detailed design process==== *[[Special:MyLanguage/Grounding system sizing and selection|Grounding system sizing and selection]]<br /> ==Design examples== *[[Special:MyLanguage/Detailed DC system design|Detailed DC system design]]<br /> *[[Special:MyLanguage/Detailed AC/DC system design|Detailed AC/DC system design]]<br /> *[[Special:MyLanguage/Detailed AC system design|Detailed AC system design]]<br /> ==System installation== *[[Special:MyLanguage/Principles of installation|Principles of installation]]<br /> *[[Special:MyLanguage/Equipment clearances and safe working space|Equipment clearances and safe working space]]<br /> *[[Special:MyLanguage/Wiring practices|Wiring practices]]<br /> *[[Special:MyLanguage/Wiring basic load circuits|Wiring basic load circuits]]<br /> *[[Special:MyLanguage/Battery wiring|Battery wiring]]<br/> *[[Special:MyLanguage/Installing module connectors|Installing module connectors]]<br /> *[[Special:MyLanguage/Charge controller programming|Charge controller programming]]<br /> *[[Special:MyLanguage/Inverter programming|Inverter programming]]<br /> *[[Special:MyLanguage/Labeling|Labeling]]<br /> *[[Special:MyLanguage/Commissioning|Commissioning]]<br /> ==Operations and maintenance== *[[Special:MyLanguage/Troubleshooting|Troubleshooting]] ==Resources== *[[Special:MyLanguage/Resources|Resources]]<br /> *[[Special:MyLanguage/Training providers|Training providers]]<br /> ==Country pages== *[[Special:MyLanguage/Colombia|Colombia]] *[[Special:MyLanguage/Peru|Peru]] *[[Special:MyLanguage/United States|United States]]
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