I.S. EN IEC 61724-1:2021
Current
The latest, up-to-date edition.
Photovoltaic system performance - Part 1: Monitoring
Hardcopy , PDF
English
09-13-2021
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Monitoring system classification
5 General
6 Data acquisition timing and reporting
7 Required measurements
8 Irradiance
9 Environmental factors
10 Tracker system
11 Electrical measurements
12 Data processing and quality check
13 Calculated parameters
14 Performance metrics
15 Data filtering
Annex A (informative) Sampling interval
Annex B (informative) Module temperature sensor selection and attachment
Annex C (normative) Soiling measurement using clean and soiled PV reference device pair
Annex D (informative) Derate factors
Annex E (normative) Systems with local loads, storage, or auxiliary sources
Bibliography
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