After last week's preliminary ruling by the US Department of Commerce to squander the trade war between China and the United States, the temperature in San Jose fell again. Countervailing duties are only between 2.9% and 4.73%, and have not reached the expected level, so there is no such a horrific impact on imports that the US solar PV industry has been worried about. Some analysts expect that even the US Department of Commerce will implement the anti-dumping tariff investigation again on May 17 and will not raise the overall tariff to 20-30%. However, the PVAmericaWest show held at the San Jose Convention Center last week was deserted. This time, it is not that the air conditioner is too big. Rhone Resch, president of the SolarEnergy Industry Association, warned that the third wave really threatened the climax of the entire industry: the fundamental tax reform and the shadow of the integration of the US solar PV industry itself. Resch said he recently found a dusty 1987 SierraMagazine magazine in the attic, including an article entitled DarkDaysofSolar. He said it describes some of the terrible consequences of the storms that the US solar PV industry is experiencing today. He said: "This article describes the downturn and possible consequences of the solar photovoltaic industry in 1985, as well as the mistakes made by the entire photovoltaic industry. We should learn from it and not make the same mistakes again and again.
The led solar tube is charged during the day and automatically lights up at night because there is a voltage detection circuit inside the lamp, which detects that the voltage of the solar panel is higher during the day, and the detection circuit outputs a control signal to turn off the sun tube light. At night, the voltage of the solar panel is almost Zero, the detection circuit outputs a control signal to light the solar tube light.
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