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The qualification rate of photovoltaic grid-connected inverters has been improved

 Last Update: 2022-11-22
 Source: Internet
 Author: User

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Recently, AQSIQ announced the results of the third batch of national supervision and random inspection of the quality of photovoltaic grid-connected inverters in 2016, and a total of 52 batches of products
produced by 52 enterprises in 13 provinces (cities) were randomly inspected.

After inspection, 6 batches of products were unqualified, and the unqualified items involved over/under voltage protection on the AC output side, harmonics and waveform distortion
.

Compared with the first national sampling of photovoltaic grid-connected inverters last year, the product sampling qualification rate increased by 14 percentage points; The number of unqualified items has been reduced, the number of unqualified items has been reduced from 5 last year to 2, and all rated input and output, power factor and DC component items have passed
this spot check.

photovoltaic

After inspection, 6 batches of products were unqualified, and the unqualified items involved over/under voltage protection on the AC output side, harmonics and waveform distortion
.

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