品牌
经销商厂商性质
厦门市所在地
C832-001-T C832-001-T
C832-001-T C832-001-T
电路的工作过程:
a> 开关S开通后,变压器绕组N1两端的电压为上正下负,与其耦合的N2绕组两端的电压也是上正下负.因此VD1处于通态,VD2为断态,电感L的电流逐渐增长;
b> S关断后,电感L通过VD2续流,VD1关断.S关断后变压器的激磁电流经N3绕组和VD3流回电源,所以S关断后承受电压.
c> 变压器的磁心复位:开关S开通后,变压器的激磁电流由零开始,随着时间的增加而线性的增长,直到S关断.为防止变压器的激磁电感饱和,必须设法使激磁电流在S关断后到下一次再开通的一段时间内降回零,这一过程称为变压器的磁心复位.
正激电路的理想化波形:
“*夸咱做的产品!”
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★主食:AB,施耐德和GE 发那科
★四菜一汤:AB 1785、1756、1747、1784,施耐德140系列,发那科A06B系列,西门子6ES,505系列热卖!
★餐后水果:泰尼现货
:张亮
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