T/CSTE 0113-2021 "Leader standard evaluation requirements for photovoltaic cables"

Scope

Scope: This document specifies the evaluation index system, evaluation methods, and grade classification for the "Leader" standard evaluation of photovoltaic cables. This document is applicable to the direct current side of photovoltaic power generation cable systems, including the series cables between photovoltaic modules and modules, the parallel cables between series and series to the direct current distribution box (busbar), and the cables from the direct current distribution box to the inverter. It can also be used for the enterprise standard level evaluation of AC application cables used to connect the inverter to the power grid. Relevant institutions can refer to and use this document when formulating enterprise standard "Leader" evaluation schemes. Enterprises can also refer to and use this document when formulating their own enterprise standards. Main technical content: 4.2 Classification of evaluation indicators 4.2.1 The indicators included in the "Leader" standard for photovoltaic cables are divided into basic indicators and core indicators. 4.2.2 Basic indicators include conductor DC resistance, finished product voltage (AC), finished product voltage (DC), halogen-free performance, insulation thickness, sheath thickness, low-temperature impact, low-temperature bending, low-temperature tensile, and single-wire vertical flaming. 4.2.3 Core indicators include artificial climate aging performance, smoke density, and resistance to salt spray aging. Core indicators are divided into three grades, including advanced level, equivalent to the 5-star level in the enterprise standard ranking list; average level, equivalent to the 4-star level in the enterprise standard ranking list; and benchmark level, equivalent to the 3-star level in the enterprise standard ranking list.

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