SN EN 61724 : 1998

INTRODUCTION<br>1 Scope<br>2 Normative references<br>3 Measured parameters<br>4 Monitoring method<br>&nbsp;&nbsp;&nbsp;&nbsp;4.1 Measurement of irradiance<br>&nbsp;&nbsp;&nbsp;&nbsp;4.2 Measurement of ambient air temperature<br>&nbsp;&nbsp;&nbsp;&nbsp;4.3 Measurement of wind speed<br>&nbsp;&nbsp;&nbsp;&nbsp;4.4 Measurement of module temperature<br>&nbsp;&nbsp;&nbsp;&nbsp;4.5 Measurement of voltage and current<br>&nbsp;&nbsp;&nbsp;&nbsp;4.6 Measurement of electrical power<br>&nbsp;&nbsp;&nbsp;&nbsp;4.7 Data acquisition system<br>&nbsp;&nbsp;&nbsp;&nbsp;4.8 Sampling interval<br>&nbsp;&nbsp;&nbsp;&nbsp;4.9 Data processing operation<br>&nbsp;&nbsp;&nbsp;&nbsp;4.10 Recording interval, pr (expressed in hours)<br>&nbsp;&nbsp;&nbsp;&nbsp;4.11 Monitoring period<br>5 Documentation<br>6 Data format<br>&nbsp;&nbsp;&nbsp;&nbsp;6.1 Separate header with multiple data records<br>&nbsp;&nbsp;&nbsp;&nbsp;6.2 Single record format<br>7 Check of data quality<br>8 Derived parameters <br>&nbsp;&nbsp;&nbsp;&nbsp;8.1 Global irradiation<br>&nbsp;&nbsp;&nbsp;&nbsp;8.2 Electrical energy quantities<br>&nbsp;&nbsp;&nbsp;&nbsp;8.3 BOS component performance<br>&nbsp;&nbsp;&nbsp;&nbsp;8.4 System performance indices<br>Annex A (informative) A suggested method of checking the<br>data acquisition system<br>Annex ZA Normative references to international publications<br>with their corresponding European publications<br>Figure 1 Parameters to be measured in real time<br>Table 1 Parameters to be measured in real time<br>Table 2 Derived parameters

Gives methods for monitoring energy-related PV system characteristics, eg inplane irradiance, array output, storage input and output and power conditioner input and output, also for the exchange and analysing of monitored data.