AS/NZS IEC 62109.3:2023
Safety of power converters for use in photovoltaic power systems, Part 3: Particular requirements for electronic devices in combination with photovoltaic elements
Standard identically adopts IEC 62109 3:2020 and its Corrigendum No. 1 (2020) which specifies the safety requirements for electronic elements that are mechanically and/or electrically incorporated with photovoltaic (PV) modules or systems. Tests provided in this document may also be used to evaluate compatibility of PV modules and electronic devices that are sold separately and are intended to be installed close to each other.
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AS/NZS IEC 62109.3:2023 Safety of power converters for use in photovoltaic power systems Particular requirements for electronic devices in combination with photovoltaic elements
English
CONTENTS
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General testing requirements
4.1 General
4.2 General conditions for testing
4.2.1 Sequence of tests
4.2.2 Reference test conditions
4.3 Thermal testing
4.3.2 Maximum temperatures
4.4 Testing in single fault condition
4.4.4 Single fault conditions to be applied
4.8 Additional tests for grid-interactive inverters
4.300 General requirements regarding protection of the PV element circuit of MIE
5 Marking and documentation
5.1 Marking
5.1.1 General
5.1.3 Identification
5.1.4 Equipment ratings
5.3 Documentation
5.3.2 Information related to installation
6 Environmental requirements and conditions
7 Protection against electric shock and energy hazards
8 Protection against mechanical hazards
9 Protection against fire hazards
10 Protection against sonic pressure hazards
11 Protection against liquid hazards
12 Protection against chemical hazards
13 Physical requirements
13.4 Internal wiring and connections
13.4.5 Interconnection between parts of the PCE
13.9 Fault indication
13.9.300 Fault indication for MIE
13.300 Requirements for field assembled MIE
14 Components
15 Software and firmware performing safety functions
Annex€A (normative)Alternative method for PV module nominal backsheet temperature (TNBs)
A.1 General
A.2 Principle
A.3 Test procedure
Figures
Figure 300 – Test sequence
Figure 301 – Location of heating pads
Figure 302 – Test setup for Type B MIE (cross-section view)
Figure 303 – Test setup for Type A MIE (cross-section view)
Table 300 – IEC€61730-2:2016 test reference for Type A and Type B MIE
4.2.1 Sequence of tests
4.2.1 Séquence d'essais
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AS/NZS IEC 62109.3:2023 Safety of power converters for use in photovoltaic power systems Particular requirements for electronic devices in combination with photovoltaic elements
English
CONTENTS
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General testing requirements
4.1 General
4.2 General conditions for testing
4.2.1 Sequence of tests
4.2.2 Reference test conditions
4.3 Thermal testing
4.3.2 Maximum temperatures
4.4 Testing in single fault condition
4.4.4 Single fault conditions to be applied
4.8 Additional tests for grid-interactive inverters
4.300 General requirements regarding protection of the PV element circuit of MIE
5 Marking and documentation
5.1 Marking
5.1.1 General
5.1.3 Identification
5.1.4 Equipment ratings
5.3 Documentation
5.3.2 Information related to installation
6 Environmental requirements and conditions
7 Protection against electric shock and energy hazards
8 Protection against mechanical hazards
9 Protection against fire hazards
10 Protection against sonic pressure hazards
11 Protection against liquid hazards
12 Protection against chemical hazards
13 Physical requirements
13.4 Internal wiring and connections
13.4.5 Interconnection between parts of the PCE
13.9 Fault indication
13.9.300 Fault indication for MIE
13.300 Requirements for field assembled MIE
14 Components
15 Software and firmware performing safety functions
Annex€A (normative)Alternative method for PV module nominal backsheet temperature (TNBs)
A.1 General
A.2 Principle
A.3 Test procedure
Figures
Figure 300 – Test sequence
Figure 301 – Location of heating pads
Figure 302 – Test setup for Type B MIE (cross-section view)
Figure 303 – Test setup for Type A MIE (cross-section view)
Table 300 – IEC€61730-2:2016 test reference for Type A and Type B MIE
4.2.1 Sequence of tests
4.2.1 Séquence d'essais
AS/NZS IEC 62109.3:2023
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.