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IEC PAS 62257-10:2017 Released for Renewable Energy and Hybrid Systems

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The International Electrotechnical Commission (IEC) has released IEC PAS 62257-10:2017. This standard applies to recommendations for renewable energy and hybrid systems for rural electrification – Part 10: Silicon solar module visual inspection guide , and is now available at the IEC webstore.

Description: “IEC PAS 62257-10:2017 is designed to be used as a guide to visually inspect front-contact poly-crystalline and mono-crystalline silicon solar photovoltaic (PV) modules for major defects. The modules under consideration may be of any size or rated power, however some specific use-cases for solar modules may have different requirements and therefore adaption of this document is application and institution dependent (ex. labelling may not be present for a solar module sold as part of a small off-grid lighting kit). This document is meant to supplement and support rather than replace international testing standards such as IEC 61215.

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VSWR and its Effects on Power Amplifiers

Voltage Standing Wave Ratio results from an impedance mismatch between a source (an amplifier) and a load (test application). This mismatch can influence the performance of the source.

 

*Description from the IEC Website.

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