This paper derives the mathematical express on of the pressure of vacuum arc subjected to an axial magnetic field under stationary model and the assumption of local thermodynamic equilibrium etc.
本文在稳态模型和局域热力学平衡等假设下，推导了在纵向磁场下真空电弧压力的数学表达式。
2
This paper emphasizes on the influences of arc energy by the contact breakaway initial velocity that is the velocity of moving contact at the time of moving contact and stationary contact breaking.