prEN IEC 62446-1:2025
(Main)Photovoltaic (PV) systems - Requirements for testing, documentation and maintenance - Part 1: Grid connected systems - Documentation, commissioning tests and inspection
Photovoltaic (PV) systems - Requirements for testing, documentation and maintenance - Part 1: Grid connected systems - Documentation, commissioning tests and inspection
Photovoltaik-(PV-)Systeme – Anforderungen an Prüfung, Dokumentation und Instandhaltung Teil 1: Netzgekoppelte Systeme – Dokumentation, Inbetriebnahmeprüfung und Prüfanforderungen
Systèmes photovoltaïques (PV) - Exigences pour les essais, la documentation et la maintenance - Partie 1: Systèmes connectés au réseau électrique - Documentation, essais de mise en service et examen
Fotonapetostni sistemi – Zahteve za preskušanje, dokumentiranje in vzdrževanje – 1. del: Sistemi, priključeni na omrežje – Dokumentacija, prevzemni preskusi in nadzor
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Standards Content (Sample)
SLOVENSKI STANDARD
01-junij-2025
Fotonapetostni sistemi – Zahteve za preskušanje, dokumentiranje in vzdrževanje –
1. del: Sistemi, priključeni na omrežje – Dokumentacija, prevzemni preskusi in
nadzor
Photovoltaic (PV) systems - Requirements for testing, documentation and maintenance -
Part 1: Grid connected systems - Documentation, commissioning tests and inspection
Ta slovenski standard je istoveten z: prEN IEC 62446-1:2025
ICS:
27.160 Sončna energija Solar energy engineering
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
82/2364/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 62446-1 ED2
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2025-03-28 2025-06-20
SUPERSEDES DOCUMENTS:
82/2347/RR
IEC TC 82 : SOLAR PHOTOVOLTAIC ENERGY SYSTEMS
SECRETARIAT: SECRETARY:
United States of America Mr George Kelly
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):
ASPECTS CONCERNED:
Safety
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
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TITLE:
Photovoltaic (PV) systems - Requirements for testing, documentation and maintenance - Part
1: Grid connected systems - Documentation, commissioning tests and inspection
PROPOSED STABILITY DATE: 2031
NOTE FROM TC/SC OFFICERS:
This project was discussed and supported by WG3 during their meeting in 2024-10.
The project was restarted after reaching the 5-year limit (refer to 82/2311/RQ).
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IEC CDV 62446-1 ED2 © IEC 2025 – 2 – 82/2364/CDV
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IEC CDV 62446-1 ED2 © IEC 2025 – 3 – 82/2364/CDV
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IEC CDV 62446-1 ED2 © IEC 2025 – 1 – 82/2364/CDV
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms, definitions and symbols . 8
4 System documentation requirements . 11
4.1 General . 11
4.2 System Information . 11
4.2.1 Basic system information . 11
4.2.2 System supplier information . 11
4.2.3 System designer information . 11
4.2.4 Codes and standards . 11
4.2.5 System installer information . 12
4.3 Wiring diagram . 12
4.3.1 General . 12
4.3.2 Array - General specifications . 12
4.3.3 PV string information . 12
4.3.4 PV array electrical details . 12
4.4 String layout . 13
4.5 AC system . 13
4.6 Earthing and overvoltage protection . 13
4.7 Anti-PID systems . 13
4.8 Batteries . 13
4.9 Cable routing and controlled areas by shutdown measures . 14
4.10 Structural design information . 14
4.11 Equipment documentation . 14
4.12 System performance information . 14
4.13 Operation and maintenance information . 15
4.14 Grid connection information . 15
5 Verification . 15
5.1 General . 15
5.2 Safety considerations . 16
5.3 Verification documentation . 16
5.3.1 General . 16
5.3.2 Initial verification (commissioning) . 16
5.3.3 Periodic verification . 17
5.4 Inspection . 17
5.4.1 General . 17
5.4.2 DC system - General . 17
5.4.3 DC system - Protection against electric shock . 17
5.4.4 DC system - Protection against the effects of insulation faults . 18
5.4.5 DC system - Protection against overcurrent . 18
5.4.6 DC system - Earthing and bonding arrangements . 18
IEC CDV 62446-1 ED2 © IEC 2025 – 2 – 82/2364/CDV
5.4.7 DC system - Protection against the effects of lightning and overvoltage
5.4.8 DC system - Selection and erection of electrical equipment . 19
5.4.9 Ancillary and safety systems . 19
5.4.10 AC system . 20
5.4.11 Structural elements . 20
5.4.12 Labelling and identification . 20
5.5 Testing . 21
5.5.1 General . 21
5.5.2 Test regimes and additional tests . 21
5.5.3 Test regimes for systems incorporating a HSA . 21
5.5.4 Test regimes for systems with module level electronics . 21
5.5.5 Category 1 test regime - All systems . 22
5.5.6 Category 2 test regime . 23
5.5.7 Additional tests . 23
5.5.8 Periodic test procedures . 23
6 Test procedures - Category 1 . 24
6.1 Continuity of protective earthing and equipotential bonding conductors . 24
6.2 Polarity test . 24
6.3 PV string combiner box test . 24
6.4 PV string - Open circuit voltage measurement . 25
6.5 PV string - Current measurement test . 25
6.5.1 General . 25
6.5.2 Evaluating results . 26
6.5.3 PV string - Short circuit test . 26
6.5.4 PV string - Operational test . 27
6.6 Functional tests . 27
6.7 PV array insulation resistance test . 28
6.7.1 General . 28
6.7.2 Insulation resistance - pass/fail criteria. 28
6.7.3 Insulation resistance - test configuration . 28
6.7.4 Earth connection test point . 28
6.7.5 Safety considerations . 29
6.7.6 Circuit considerations . 29
6.7.7 Insulation resistance - String test method . 29
6.7.8 Insulation resistance - combined strings method . 30
6.7.9 Insulation resistance - shorted strings method . 30
6.8 PV array insulation monitoring - functionality test . 30
6.8.1 General . 30
6.8.2 Test procedure . 30
6.9 Protective equipment - self-test functionality test . 31
...
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