The connecting cable from the ground rod to the SG busbars in PDP cabinet is equal to100 Square millimeters or larger ?
安全地接地极与PDP中安全地汇流母线的连接电缆大于等于100平方毫米?。
2
The expression for short-circuit electrodynamic force of rectangular busbars on the basis of the calculation of three-phase symmetry short-circuit current was fi.
本文首先根据系统发生三相对称短路时的短路电流,给出了三相矩形母线短路电动力的解析表达式。
3
Several kinds of non-wastage connection busbars, which are being developed, will also be substituted for imported materials and put into use in upgrading electric cabinet.