新国标GB 7251.1—2013低压成套开关设备和控制设备的温升试验方法解读

Discussion on Temperature Rise Test Method of Low Voltage Switchgear and Controlgear Assemblies of the New State Standard GB 7251.1—2013

低压成套开关设备新国标中温升验证试验内容是最大的变动之处。新国标对温升试验规定了验证试验、验证比较、验证评估3种试验方法,并分别对这3种温升验证方法进行了阐述,在具体实际验证中采用何种试验方法由制造商选择及决定。

The temperature rise test content has the biggest change in the new national standard of low voltage switchgear. The three kinds of test methods was described,respectively,the verification method was discussed. In the specific practical verification the test method is choosen and decided by the manufacturers.