发布时间:2025-01-23 21:27:34
意思如下:
变压器一般都设有分接头,当分接头在最高档或者最低档时,变压器的短路阻抗有一些变化,且变化为正数,这就是所谓变压器的正分接头短路阻抗的意思。
变压器的短路阻抗,是指在额定频率和参考温度下,一对绕组中、某一绕组的端子之间的等效串联阻抗。
请教:浅胡桃色全榆木家具沙发及电视柜(如图),搭配什么颜色的木门,墙面漆用什么色,地砖用什么色
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