IEC 60904-4:2019 RLV 
Redline version

Photovoltaic devices - Part 4: Reference solar devices - Procedures for establishing calibration traceability

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Abstract

IEC 60904-4:2019 RLV contains both the official IEC International Standard and its Redline version. The Redline version is not an official document, it is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.

IEC 60904-4:2019 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 written with single-junction PV reference devices in mind, in particular crystalline silicon, but it is sufficiently general to include other single-junction technologies. This second edition cancels and replaces the first edition published in 2009. This edition includes the following significant technical changes with respect to the previous edition:
modification of standard title;
- inclusion of working reference in traceability chain;
- update of WRR with respect to SI;
- revision of all methods and their uncertainties in annex
- harmonization of symbols and formulae with other IEC standards.

Additional information

Publication typeInternational Standard
Publication date2019-11-12
Edition2.0
Available language(s)English
TC/SCTC 82 - Solar photovoltaic energy systemsrss
ICS27.160 - Solar energy engineering
Stability date  2024
Pages93
File size3096 KB

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