IEC 61724 PDF

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The first edition of IEC Photovoltaic system performance monitoring — Guidelines for measurement, data exchange and analysis — , dates from It now has been updated. The new version of the standard is fundamentally different from the version. The new scope not only defines the measuring system components and procedures as in the version , but it also aims to keep measurement errors within specified limits. It does so by establishing accuracy classes for monitoring systems.

SR30 measures solar radiation employing a state-of-the-art thermopile sensor with black coated surface and two domes. The outer pyranometer dome is heated by ventilating the area between the inner and outer dome using RVH TM — Recirculating Ventilation and Heating — technology. RVH TM , developed by Hukseflux, suppresses dew and frost deposition and is as effective as traditional ventilation systems, without the maintenance hassle and large footprint.

Domes free of dew and frost ensure high data availability. In addition to the highest measurement accuracy and data availability, SR30 pyranometer offers remote diagnostics and low total cost of ownership for PV system performance monitoring. IEC requires ventilation and heating for Class A monitoring. Only SR30 pyranometer offers both, without the need for additional accessories. Most competing pyranometers do not even comply with Class B, which requires heating.

Skip to content. The new standard includes: 3 accuracy classes, A, B and C, for monitoring systems, to be used in conformity declarations accuracy requirements for monitoring equipment per class required quality checks i. Keep up to date. We also offer comprehensive global coverage of the most important solar markets worldwide. Select one or more editions for targeted, up to date information delivered straight to your inbox. Hold Ctrl or Cmd to select multiple editions. Global English, daily Germany German, daily U.

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IEC 61724-1

Superseded By: IEC Prices subject to change without notice. About Us. Contact Us. Sign In.


Quick facts on the IEC 61724-1 standard for PV stakeholders

IEC was launched in March and has some comparisons with the new ISO : standard that is planned to be launched this year. Both standards define Class A, B and C but with a different meaning. A survey showed that the main reason for most companies not to aim for a Class A status for IEC, is the cost-benefit analysis they made. It is too costly to obtain a Class A status:. There are two reasons for the extra steps prescribed by IEC to comply with an optimal Class A: reliability of data and availability of data. To achieve this, dew, frost, soiling and instrument deposition as such should be prevented, and customers have to do good product maintenance.

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