ROOFTOP SOLAR - STANDARDS of the country

Standards CodeSpecificationDescriptionInternational StandardsMandatory requirement
SLS 1522
(2016)		Sri Lanka Standards Code of Practice for Grid Connected PV Power Systems.This Technical Standards defines the minimal information and documentation required to be handed over to a customer following the installation of a grid connected PV system. This standard also describes the installation, testing and commissioning procedure and documentation expected to verify the safe installations and correct operation of the system.
It is for use by system designers and installers of grid connected net energy metered solar PV systems as a template to provide effective documentation to a customer. By detailing the expected installation, testing & commissioning procedure, it is also intended to assist in the verification / inspection of a grid connected PV system after installation and for subsequent re-inspection, maintenance or modifications.
Additional, it is written for grid connected net energy metered solar PV systems only and not for AC module systems or systems that utilize energy storage (e.g. batteries) or hybrid systems.		NoneYes
SLS 1542 (2016)Electric Cable for Photovoltaic System.This Technical Standard specifies cables for use in PV System, for installation at the Direct Current (DC) side. These cables are suitable for permanent outdoor use for many years under variable demanding climate conditions. Relatively stringent requirements are set for these products in line with the expected harsh usage conditions. It is applies to low smoke halogen free, flexible, single core power cables with cross link insulation and sheath.
In particular for use at the DC side of photovoltaic system, with a nominal DC voltage of 1.5kV between conductors and between conductor and earth. The cables are suitable to be used with Class II equipment. The cable are design to operate at a nominal maximum conductor temperature of 90 °C, but for a maximum of 20 000 hours a maximum conductor temperature of 120 °C at a maximum ambient temperature of 90 °C is permitted.		EN 50818 (2014)Yes
SLS 1543Safety of Power Converts for Use in Photovoltaic Power SystemThis Sri Lanka Standard Specification is published in two parts.IEC 62109Yes
SLS 1544Terrestrial Photovoltaic Design Qualification and Type ApprovalThis Sri Lanka Standard Specifications for is published in different parts although only part of it has been usedIEC 61215Yes
SLS 1545Photovoltaic Modules Performance Testing and Energy RatingThis Sri Lanka Standard Specification for is published in two parts
SLS 1546Photovoltaic System Power Conditioners – Procedure for Measuring Efficiency.Describes guidelines for measuring the efficiency of power conditioners used in stand-alone and utility-interactive photovoltaic systems, where the output of the power conditioner is a stable AC voltage of constant frequency or a stable DC voltage.IEC 61683 (1999) Edition 1.0Yes
SLS 1547 (2016)Photovoltaic System – Characteristic of the Utility InterfaceApplies to utility-interconnected photovoltaic (PV) power systems operating in parallel with the utility and utilizing static (solid-state) non-islanding inverters for the conversion of DC to AC. Lays down requirements for interconnection of PV systems to the utility distribution system. It is describes specific recommendations for systems rated at 10 kVA or less, such as may be utilized on individual residences single or three phases. This standard applies to interconnection with the low voltage utility distribution system.IEC 61727 (2004) Edition 1.0Yes
SLS 1553Photovoltaic Module Safety QualificationThis Sri Lanka Standard Specification for is published in two parts
SLS 1554Low-Voltage Switchgear and Control gearThis Sri Lanka standard specification for is published in three parts:
SLS-IEC 62446-1 (2017)Photovoltaic System Requirements for Testing, Documentation and Maintenance.This Technical Standards is published in one part for grid connected system, documentation, commissioning tests and inspection.IEC 62446-1 (2017) Edition 1.0.Yes
IEC 61701Salt mist corrosion testing of photovoltaic (PV) modulesDescribes test sequences useful to determine the resistance of different PV modules to corrosion from salt mist containing Cl- (NaCl, MgCl2, etc.).No
IEC 60068-2Environmental testingThis part of IEC 60068 deals with cold tests applicable to both non heat-dissipating and heat dissipating specimens. For non heat-dissipating specimens, Tests Ab and Ad do not deviate essentially from earlier issues. Test Ae has been added primarily for testing equipment that requires being operational throughout the test, including the conditioning periods. The object of the cold test is limited to the determination of the ability of components, equipment or other articles to be used, transported or stored at low temperature.No
IEC 602272Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V - Part 1: General requirementsTApplies to rigid and flexible cables with insulation, and sheath if any, based on polyvinyl chloride, of rated voltages Uo/U up to and including 450/750 V used in power installations of nominal voltage not exceeding 450/750 V a.cNo


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