Solar Photovoltaic Energy Systems
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Technical committeeTypeAcronymIEC TR 63225:2019CommitteePublished year2019KeywordsDescription
IEC TR 63225:2019 highlights the problem of incompatibility of connectors for DC-application in photovoltaic systems (DC connectors) produced by different manufacturers. It addresses four particular issues in that context: - background information on incompatibility of DC connectors from different manufacturers; - observations and challenges concerning the handling of DC connectors from different manufacturers; - stakeholders concerned by the incompatibility of DC connectors; - recommendations for long-term standardization and interim measures to address incompatibility of DC connectors.
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Technical committeeTypeAcronymIEC TR 63149:2018CommitteePublished year2018KeywordsDescription
IEC TR 63149:2018(E) is aimed at presenting mathematical models for calculation of the distance between arrays, to farthest avoid shading and reasonably reduce the land usage of PV farms. This document provides land usage calculations of PV farms for various array types.
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Technical committeeTypeAcronymIEC TR 60904-14:2020CommitteePublished year2020KeywordsDescription
IEC TR 60904-14:2020 provides guidelines for measurements of the maximum power (Pmax) output of single-junction photovoltaic (PV) modules and for reporting at standard test conditions (STC) in industrial production line settings. As it is desirable to have consistent measurement practices across the industry, this document describes the following features of such measurements: - Essential elements, in order to provide common understanding; - Common issues or complications; - Sources of error and uncertainty, including recommendations to minimize them.
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Technical committeeTypeAcronymIEC PAS 62257-10:2017CommitteePublished year2017Description
IEC PAS 62257-10:2017(E) is designed to be used as a guide to visually inspect front-contact poly-crystalline and mono-crystalline silicon solar photovoltaic (PV) modules for major defects. The modules under consideration may be of any size or rated power, however some specific use-cases for solar modules may have different requirements and therefore adaption of this document is application and institution dependent (ex. labelling may not be present for a solar module sold as part of a small off-grid lighting kit). This document is meant to supplement and support rather than replace international testing standards such as IEC 61215.
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Technical committeeTypeAcronymIEC 63202-1:2019CommitteePublished year2019Description
IEC 63202-1:2019 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 manufacturers in minimizing the mismatch between cells within the same module, thereby maximizing power yield.
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Technical committeeTypeAcronymIEC 63092-2:2020CommitteePublished year2020KeywordsDescription
IEC 63092-2:2020 specifies BIPV system requirements and applies to photovoltaic systems that are integrated into buildings with the photovoltaic modules used as building products. It focuses on the properties of these photovoltaic systems relevant to basic building requirements and the applicable electrotechnical requirements. This document addresses requirements on the BIPV systems in the specific ways they are intended to be mounted and the mounting structure, but not the BIPV module itself, which is within the scope of IEC 63092-1.
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Technical committeeTypeAcronymIEC 63092-1:2020CommitteePublished year2020KeywordsDescription
IEC 63092-1:2020 specifies BIPV (building-integrated photovoltaic) module requirements and applies to photovoltaic modules used as building products. It focuses on the properties of these photovoltaic modules relevant to basic building requirements and the applicable electro-technical requirements. This document addresses requirements on the BIPV modules in the specific ways they are intended to be mounted but not the mounting structure itself, which is within the scope of IEC 63092-2. This document is based on EN 50583-1.
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Technical committeeTypeAcronymIEC 62979:2017CommitteePublished year2017KeywordsDescription
IEC 62979:2017 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 susceptible to thermal runaway.
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Technical committeeTypeAcronymIEC 62941:2019CommitteePublished year2019KeywordsDescription
IEC 62941:2019 is applicable to organizations manufacturing photovoltaic (PV) modules certified to IEC 61215 series and IEC 62108 for design qualification and type approval and IEC 61730 for safety qualification and type approval. The design qualification and type approval of PV modules depend on appropriate methods for product and process design, as well as appropriate control of materials and processes used to manufacture the product. This document lays out best practices for product design, manufacturing processes, and selection and control of materials used in the manufacture of PV modules that have met the requirements of IEC 61215 series, IEC 61730, or IEC 62108. These standards also form the basis for factory audit criteria of such sites by various certifying and auditory bodies. The object of this document is to provide a framework for the improved confidence in the ongoing consistency of performance and reliability of certified PV modules. The requirements of this document are defined with the assumption that the quality management system of the organization has already fulfilled the requirements of ISO 9001 or equivalent quality management system. This document is not intended to replace or remove any requirements of ISO9001 or equivalent quality management system. By maintaining a manufacturing system in accordance with this document, PV modules are expected to maintain their performance as determined from the test sequences in IEC 61215 series, IEC 62108, or IEC 61730.
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Technical committeeTypeAcronymIEC 62938:2020CommitteePublished year2020KeywordsDescription
IEC 62938:2020 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 and on the lower edge not creating an additional snow slide barrier, this document is not applicable. The test method determines the mechanical non-uniform-load limit of a framed PV module.
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