This part of IEC 60904 describes procedures for the measurement of current-voltage
characteristics (I-V curves) of photovoltaic (PV) devices in natural or simulated sunlight. These
procedures are applicable to a single PV solar cell, a sub-assembly of PV solar cells, or a PV
module. They are applicable to single-junction mono-facial PV devices. For other device types,
reference is made to the respective documents, in particular for multi-junction devices to
IEC 60904-1-1 and for bifacial de...
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This part of IEC 60904 describes the procedures used to measure the dependence of any
electrical parameter (Y) of a photovoltaic (PV) device with respect to a test parameter (X) and
to determine the degree at which this dependence is close to an ideal linear (straight-line)
function. It also gives guidance on how to consider deviations from the ideal linear
dependence and in general on how to deal with non-linearities of PV device electrical
parameters. Typical device parameters are the sho...
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IEC standards for photovoltaic devices require the use of specific classes of solar simulators
deemed appropriate for specific tests. Solar simulators can be either used for performance
measurements of PV devices or endurance irradiation tests. This part of IEC 60904 provides
the definitions of and means for determining simulator classifications at the required
irradiance levels used for electrical stabilization and characterisation of PV devices.
This document is applicable for solar simul...
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This document describes safety requirements, constructional requirements and tests for
junction boxes up to 1 500 V DC for use on photovoltaic modules in accordance with class II
of IEC 61140:2016.
This document applies also to enclosures mounted on PV-modules containing electronic
circuits for converting, controlling, monitoring or similar operations. Additional requirements
concerning the relevant operations are applied under consideration of the environmental
conditions of the PV-module...
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Photovoltaic (PV) modules are electrical devices normally intended for continuous outdoor
exposure during their lifetime. Highly corrosive wet atmospheres, such as marine
environments or locations near the ocean or other large bodies of salt water, could eventually
degrade some of the PV module components (corrosion of metallic parts, deterioration of the
properties of some non-metallic materials – such as protective coatings and plastics – by
assimilation of salts, etc.) causing permanent ...
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This document provides a method for determining how well a framed PV module performs
mechanically under the influence of inclined non-uniform snow loads. This document is
applicable for framed modules with frames protruding beyond the front glass surface on the
lower edge after intended installation and as such creates an additional barrier to snow sliding
down from modules. For modules with other frame constructions, such as backrails formed in
frames, on the side edges, on the top edge an...
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IEC 61215-2 provides a set of qualification tests that indicate that a PV module design is likely
to be free of flaws that will result in early failure. However, IEC 61215-2 does not address the
long term wear-out of PV modules. This part of IEC 62788-1 is designed as a more rigorous
qualification test, using accelerated UV exposure at elevated temperature to determine whether
polymeric encapsulants can suffer loss of optical transmittance. IEC 61215-2 already includes
a UV preconditioning ...
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NEXT ACTION: PUBLICATION EXPECTED BY 2020-05-15

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IEC 62446-2 IEC 62446 describes basic preventive, corrective, and performance relatedmaintenance requirements and recommendations for grid-connected PV systems. Themaintenance procedures cover: - Basic maintenance of the system components and connections for reliability, safety andfire prevention - Measures for corrective maintenance and troubleshooting• Worker safetyThis document also addresses maintenance activities for maximizing anticipated performancesuch as module cleaning and upkeep of ve...view more

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EN-IEC 62788-6-2 provides methods for measuring the steady-state water vapour transmissionrate (WVTR), water vapour permeability (P), diffusivity (D), solubility (S), and moisturebreakthrough time (?10) (defined as the time to reach 10 % of the steady state WVTR) forpolymeric materials such as encapsulants, edge seals, frontsheets and backsheets. Thesemeasurements can be made at selected temperatures and humidity levels as deemedappropriate for evaluation of their performance in PV modules. Meas...view more

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EN-IEC 62788-5-1 provides procedures for standardized test methods for evaluating theproperties of materials designed to be used as edge seals. When modules are constructed withimpermeable (or extremely low permeability) front- and backsheets designed to protectmoisture-sensitive photovoltaic (PV) materials, there is still the possibility for moisture to get infrom the sides. This moisture ingress pathway can be restricted by using a low-diffusivitymaterial around the perimeter of a module betwe...view more

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EN-IEC 62941 is applicable to organizations manufacturing photovoltaic (PV) modulescertified to IEC 61215 series and IEC 62108 for design qualification and type approval andIEC 61730 for safety qualification and type approval. The design qualification and typeapproval of PV modules depend on appropriate methods for product and process design, aswell as appropriate control of materials and processes used to manufacture the product. Thisdocument lays out best practices for product design, manufact...view more

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This document sets the requirements for calibration procedures intended to establish the traceability of photovoltaic (PV) reference devices to SI units as required by IEC 60904-2. This document applies to PV reference devices that are used to measure the irradiance of natural or simulated sunlight for the purpose of quantifying the performance of PV devices. The use of a PV reference device is required in many standards concerning PV (e.g. IEC 60904-1 and IEC 60904-3). This document has been wr...view more

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This European Standard describes the procedure for correcting the spectral mismatch error introduced in the testing of a photovoltaic device, caused by the mismatch between the test spectrum and the reference spectrum (e.g. AM1.5 spectrum) and by the mismatch between the spectral responsivities (SR) of the reference device and of the device under test and therewith reduce the systematic uncertainty. This procedure is valid for single-junction devices but the principle may be extended to cover mu...view more

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This European Standard describes procedures for measuring the light-induced degradation (LID) of crystalline silicon photovoltaic (PV) cells in simulated sunlight. The magnitude of LID in a crystalline silicon PV cell is determined by comparing maximum output power at Standard Test Conditions (STC) before, and after, exposure to simulated sunlight at a specified temperature and irradiance. The purpose of this document is to provide standardized PV cell LID information to help PV module manufactu...view more

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This document defines a test sequence that extends the thermal cycling test of IEC 61215-2. It
is intended to differentiate PV modules with improved durability to thermal cycling and evaluate
modules for deployment in locations most susceptible to thermal cycling type stress1. This
document is based on the ability for 95 % of the modules represented by the samples submitted
for this test to pass an equivalency of 500 thermal cycles, as defined in IEC 61215-2:2016,
4.11.3, with a maximum pow...
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This part of IEC 60904 applies to the following photovoltaic devices for terrestrial applications:
– solar cells with or without a protective cover;
– sub-assemblies of solar cells;
– modules; and
– systems.
NOTE The term “test specimen” is used to denote any of these devices.
The principles contained in this document cover testing in both natural and simulated sunlight.
Photovoltaic conversion is spectrally selective due to the nature of the semiconductor
materials used in PV solar cell...
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TC - Corrigendum to add superseding information

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This part of IEC 61853 describes the calculation of PV module energy rating values.
IEC 61853-1 describes requirements for evaluating PV module performance at various
temperatures and irradiances in terms of power (watts) rating. IEC 61853-2 describes test
procedures for determining module temperature from irradiance, ambient temperature and
wind speed, a method for measuring angle of incidence effects, and spectral responsivity.
IEC 61853-4 describes the standard reference climatic profile...
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This part of IEC 61853 describes the standard reference climatic profiles used for calculating
energy ratings.
IEC 61853-1 describes requirements for evaluating PV module performance in terms of power
(watts) rating. IEC 61853-2 describes test procedures for determining module temperature
from irradiance, ambient temperature and wind speed, a method for measuring angle of
incidence effects, and spectral responsivity. IEC 61853-3 describes the calculation of PV
module energy rating values, ...
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CCMC - wrong reference to EU Directive in the foreword

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CCMC - wrong reference to EU Directive in the foreword

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This part of IEC 61730 specifies and describes the fundamental construction requirements for photovoltaic (PV) modules in order to provide safe electrical and mechanical operation.
Specific topics are provided to assess the prevention of electrical shock, fire hazards, and personal injury due to mechanical and environmental stresses. This part of IEC 61730 pertains to the particular requirements of construction. IEC 61730-2 defines the requirements for testing.
This International Standard seri...
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2018-04 AJC: IEC published corrigendum.

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This part of IEC 61730 specifies and describes the fundamental construction requirements for
photovoltaic (PV) modules in order to provide safe electrical and mechanical operation.
Specific topics are provided to assess the prevention of electrical shock, fire hazards, and
personal injury due to mechanical and environmental stresses. This part of IEC 61730
pertains to the particular requirements of construction. IEC 61730-2 defines the requirements
for testing.
This International Standard ...
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This document describes the fundamental construction and testing requirements for
Concentrator Photovoltaic (CPV) modules and assemblies in order to provide safe electrical
and mechanical operation during their expected lifetime. Specific topics are provided to
assess the prevention of electrical shock, fire hazards, and personal injury due to mechanical
and environmental stresses.
This document attempts to define the basic requirements for various application classes of
concentrator photo...
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IEC 62817:2014 is a design qualification standard applicable to solar trackers for photovoltaic systems, but may be used for trackers in other solar applications. The standard defines test procedures for both key components and for the complete tracker system. In some cases, test procedures describe methods to measure and/or calculate parameters to be reported in the defined tracker specification sheet. In other cases, the test procedure results in a pass/fail criterion. This standard ensures th...view more

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This document provides a method for evaluating whether a bypass diode as mounted in the
module is susceptible to thermal runaway or if there is sufficient cooling for it to survive the
transition from forward bias operation to reverse bias operation without overheating.
This test methodology is particularly suited for testing of Schottky barrier diodes, which have
the characteristic of increasing leakage current as a function of reverse bias voltage at high
temperature, making them more sus...
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This part of IEC 62805 specifies methods for measuring the transmittance and reflectance of
glass used in photovoltaic (PV) modules and provides instructions on how to calculate the
effective hemispherical transmittance and reflectance of this glass.
This document is applicable to PV glasses used in PV modules, including ultra-clear patterned
glass, anti-reflective coated (AR) glass, transparent conductive oxide coated (TCO) glass and
other kinds of PV glass used in PV modules.
These test ...
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This part of IEC 62805 specifies a method for measurement and calculation of the total haze
and the spectral distribution of haze of glass used in photovoltaic (PV) modules.
This document is applicable to glass used in PV modules, including transparent conductive
oxide coated (TCO) glass and other kinds of glass used in PV modules.

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IEC 62920:2017 specifies electromagnetic compatibility (EMC) requirements for DC to AC power conversion equipment (PCE) for use in photovoltaic (PV) power systems. The PCE covered by this document can be grid-interactive or stand-alone. It can be supplied by single or multiple photovoltaic modules grouped in various array configurations, and can be intended for use in conjunction with batteries or other forms of energy storage. This document covers not only PCE connected to a public low voltage ...view more

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This part of IEC 60904 gives guidance for the measurement of the spectral responsivity (SR)
of multi-junction photovoltaic devices. It is principally intended for non-concentrating devices,
but parts may be applicable also to concentrating multi-junction PV devices. The SR is
required for analysis of measured current-voltage characteristics of multi-junction PV devices
as described in IEC 60904-1-1.
The requirements for measurement of SR of single-junction PV devices are covered by
IEC 609...
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This part of IEC 60904 describes procedures for the measurement of the current-voltage
characteristics of multi-junction photovoltaic devices in natural or simulated sunlight. It is
applicable to single PV cells, sub-assemblies of such cells or entire PV modules. It is
principally intended for non-concentrating devices, but parts may be applicable also to
concentrating multi-junction PV devices. An essential prerequisite is the spectral responsivity
of the multi-junction devices, whose meas...
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This draft European Standard describes marking, including nameplate and documentation requirements for non-concentrating photovoltaic modules.
This document provides information that need to be included in the product documentation to ensure safe and proper use of the product. Therefore this document states mandatory information and requirements. A best practices guide is included in this document giving guidance on additional information, for example module’s performance at different irradianc...
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This part of IEC 62670 defines measurement procedures and instrumentation for determining
concentrator photovoltaic performance at concentrator standard operating conditions (CSOC)
and concentrator standard test conditions (CSTC), defined in IEC 62670-1, including power
ratings.

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This part of IEC 61724 outlines equipment, methods, and terminology for performance
monitoring and analysis of photovoltaic (PV) systems. It addresses sensors, installation, and
accuracy for monitoring equipment in addition to measured parameter data acquisition and
quality checks, calculated parameters, and performance metrics. In addition, it serves as a
basis for other standards which rely upon the data collected.

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This document defines a test sequence that will quickly uncover CPV module failures that
have been associated with field exposure to thermal cycling for many years. This document
was specifically developed to relate to thermal fatigue failure of the HCPV die-attach, however,
it also applies, to some extent, to all thermal fatigue related failure mechanisms for the
assemblies submitted to test.
IEC 62108, the CPV module qualification test already includes an accelerated thermal cycle
sequen...
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This part of IEC 61215 lays down IEC requirements for the design qualification and type
approval of terrestrial photovoltaic modules suitable for long-term operation in general openair
climates, as defined in IEC 60721-2-1. This document is intended to apply to all thin-film
amorphous silicon (a-Si; a-Si/μc-Si) based terrestrial flat plate modules. As such, it addresses
special requirements for testing of this technology supplementing IEC 61215-1:2016 and
IEC 61215-2:2016 requirements for t...
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This part of IEC 61215 lays down IEC requirements for the design qualification and type
approval of terrestrial photovoltaic modules suitable for long-term operation in general openair
climates, as defined in IEC 60721-2-1. This document is intended to apply to all thin-film
Cu(In,Ga)(S,Se)2 based terrestrial flat plate modules. As such it addresses special
requirements for testing of this technology supplementing IEC 61215-1:2016 and IEC 61215-
2:2016 requirements for testing.
This docume...
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This part of IEC 62788 defines the terminology, test equipment, test environment, specimen
preparation, test procedures, and test report for measuring the degree of cure of Ethylene-Vinyl
Acetate (EVA) encapsulation sheet used in photovoltaic (PV) modules. The differential scanning
calorimetry (both residual enthalpy and melt/freeze protocols) and gel content methods are
included herein. This procedure can be used by material- or module-manufacturers to verify that
the cross-linking additiv...
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This part of IEC 61215 lays down IEC requirements for the design qualification and type
approval of terrestrial photovoltaic modules suitable for long-term operation in general openair
climates, as defined in IEC 60721-2-1. This document is intended to apply to all thin-film
CdTe based terrestrial flat plate modules. As such, it addresses special requirements for
testing of this technology supplementing IEC 61215-1:2016 and IEC 61215-2:2016
requirements for testing.
This document does not ...
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This International Standard series lays down IEC requirements for the design qualification and
type approval of terrestrial photovoltaic modules suitable for long-term operation in general
open-air climates, as defined in IEC 60721-2-1. This part of IEC 61215 is intended to apply to
all terrestrial flat plate module materials such as crystalline silicon module types as well as
thin-film modules.
This standard does not apply to modules used with concentrated sunlight although it may be
util...
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The IEC 61853 series establishes IEC requirements for evaluating PV module performance
based on power (watts), energy (watt-hours) and performance ratio (PR). It is written to be
applicable to all PV technologies, but may not work well for any technology where the module
performance changes with time (e.g. modules change their behaviour with light or thermal
exposure), or which experience significant non-linearities in any of their characteristics used
for the modelling.
The purpose of thi...
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