美国UL 674标准中电动机接线盒的爆炸压力试验方法

Explosion Pressure Test Method for Motor Terminal Box Described in American UL 674 Standard

介绍了美国UL 674标准中有关爆炸压力试验的条款,对电机接线盒的爆炸压力试验方法提出了参考和建议,并就其中点火位置的确定给予理论分析和试验验证,在电动机取得UL认证的过程中提供帮助。

This paper introduces clauses of the explosion pressure test described in Ameri- can UL674 standard, puts forward some reterences and suggestions on explosion pressure test method of motor temlinal box, and gives the theoretical analysis and experimental verification to determine the ignition position. It can provide the help in the process of UL certification of motor.