BSI PD CLC/TR 62662:2011
$142.49
Measurement procedures for materials used in photovoltaic modules – Encapsulants. Test procedure of optical durability
| Published By | Publication Date | Number of Pages |
| BSI | 2011 | 26 |
This technical report presents an analysis of the risk of influencing factors for brittle fracture of composite insulators that are mostly loaded in the tensile mode (suspension and tension insulators). Guidance is given to reduce the risk of in-service brittle fractures.
This phenomenon is limited to tension and suspension insulators. However, the general information given concerning the importance of various parameters can be used as a guideline for the design and production of any kind of composite insulator.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 8 | CONTENTS |
| 9 | FOREWORD |
| 11 | INTRODUCTION |
| 12 | 1 Scope 2 Normative references 3 Terms and definitions |
| 13 | 4 Description of brittle fracture Figure 1 – Typical brittle fracture |
| 14 | 5 Identification of brittle fracture 6 Failure mechanisms 6.1 Description of identified failure mechanisms 6.2 Mechanism M1 – Acid generated by electrical activity |
| 15 | 6.3 Mechanism M2 – Acid ingress from environment |
| 16 | 6.4 Mechanism M3 – Acid generated inside the core 7 Risk assessment 7.1 FMEA approach |
| 17 | 7.2 Results Table 1 – Risk potential number (RPN) and standardized risk potential of brittle fracture failure modes Table 2 – Risk assessment of the identified brittle fracture failure modes |
| 19 | 7.3 Discussions 8 Guidance for material selection and production 8.1 Rod materials and production process |
| 20 | 8.2 Housing and sealing |
| 21 | 9 Preventive methods 9.1 Sealing 9.2 Corona rings |
| 22 | 9.3 Material selection 9.4 Housing quality 9.5 Handling, transportation and storage |
| 23 | Bibliography |
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BSI PD CLC/TR 62662:2011
Measurement procedures for materials used in photovoltaic modules – Encapsulants. Test procedure of optical durability…
