由TUV SUD 撰写，小微电气等单位参编的光伏系统用交流电缆标准 PPP58216 正式发布。

On January 11, 2023, the standard for electric cables for use on AC applications in renewable energy-systems jointly prepared by TUV SUD, SOWELLSOALR ( Zhejiang Sowell Electric Co., Ltd ) and other companies was officially released.