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Description of PD IEC TS 62257-9-5:2018 - TC 2020IEC TS 62257-9-5:2018 is available as /2 which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC TS 62257-9-5:2018 applies to stand-alone renewable energy products. This document deals essentially with off-grid renewable energy products with batteries and solar modules with DC system voltages not exceeding 35 V and peak power ratings not exceeding 350 W. The tests contained herein are capable in many cases of adequately assessing systems at higher voltages and/or power ratings. This new edition includes the following significant technical changes with respect to the previous edition: - replaced the term 'stand-alone lighting kits' with 'stand-alone renewable energy products' throughout the document (including the title) to reflect that the revised document is applicable to a broader range of products with a more diverse set of capabilities. - added test methods for flooded lead-acid batteries. - significantly revised the protection tests, assessment of DC ports, appliance tests, and energy service calculations based on field experience. - revised the voltage operating points at which testing is carried out to better reflect actual operation and to simplify the procedures for testing products without lights. - revised the energy service calculations to include the effect of multiple simultaneously connected loads on the port voltage and battery-to-port efficiency and to accommodate products with grid or electromechanical charging.
About BSIBSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses. |
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