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BS EN 62979:2017

Current
Current

The latest, up-to-date edition.

Photovoltaic modules. Bypass diode. Thermal runaway test (IEC 2979:2017)
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

12-14-2017

Publisher

British Standards Institution

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Thermal runaway test
5 Pass or fail criteria
6 Test report
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Defines a method for evaluating whether a bypass diode as mounted in the module is susceptible to thermal runaway or if there is sufficient cooling for it to survive the transition from forward bias operation to reverse bias operation without overheating.

This document provides a method for evaluating whether a bypass diode as mounted in the module is susceptible to thermal runaway or if there is sufficient cooling for it to survive the transition from forward bias operation to reverse bias operation without overheating.

This test methodology is particularly suited for testing of Schottky barrier diodes, which have the characteristic of increasing leakage current as a function of reverse bias voltage at high temperature, making them more susceptible to thermal runaway.

The test specimens which employ P/N diodes as bypass diodes are exempted from the thermal runaway test required herein, because the capability of P/N diodes to withstand the reverse bias is sufficiently high.

Committee
GEL/82
DevelopmentNote
Supersedes 16/30331195 DC. (12/2017)
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Current

Standards Relationship
EN 62979:2017 Identical

IEC TS 61836:2007 Solar photovoltaic energy systems - Terms, definitions and symbols

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Hardcopy - English
PDF - English
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