ДСТУ EN IEC 61724-1:2022 Ефективність фотоелектричної системи. Частина 1. Моніторинг (EN IEC 61724-1:2021, IDT; IEC 61724-1:2021, IDT)



ДСТУ EN IEC 61724-1:2022
(EN IEC 61724-1:2021, IDT; IEC 61724-1:2021, IDT)

Ефективність фотоелектричної системи. Частина 1. Моніторинг

 
   
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

FOREWORD

INTRODUCTION

1 Scope

2 Normative references

3 Terms and definitions

4 Monitoring system classification

5 General

5.1 Measurement precision and uncertainty

5.2 Calibration

5.3 Repeated elements

5.4 Power consumption

5.5 Documentation

5.6 Inspection

6 Data acquisition timing and reporting

6.1 Samples, records, and reports

6.2 Timestamps

6.3 Parameter names

7 Required measurements

8 Irradiance

8.1 Sensor types

8.2 General requirements

8.3 Measurements

9 Environmental factors

9.1 PV module temperature

9.2 Ambient air temperature

9.3 Wind speed and direction

9.4 Soiling ratio

9.5 Rainfall

9.6 Snow

9.7 Humidity

10 Tracker system

10.1 Single-axis trackers

10.2 Dual-axis trackers

11 Electrical measurements

12 Data processing and quality check

12.1 Night

12.2 Quality check

13 Calculated parameters

13.1 Overview

13.2 Summations

13.3 Irradiation

13.4 Electrical energy

13.5 Array power rating

13.6 Yields

13.7 Yield losses

13.8 Efficiencies

14 Performance metrics

14.1 Overview

14.2 Summations

14.3 Performance ratios

14.4 Performance indices

15 Data filtering

15.1 Use of available data

15.2 Filtering data to specific conditions

15.3 Reduced inverter, grid, or load availability

Annex A (informative) Sampling interval

Annex В (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