1746-NIO4I

1746-NIO4I

1746-NIO4I

1）驱动电路
驱动电路是将主控电路中CPU产生的六个PWM信号，经光电隔离和放大后，作为逆变电路的换流器件（逆变模块）提供驱动信号。
对驱动电路的各种要求，因换流器件的不同而异。同时，一些开发商开发了许多适宜各种换流器件的专用驱动模块。有些品牌、型号的变频器直接采用专用驱动模块。但是，大部分的变频器采用驱动电路。从修理的角度考虑，这里介绍较典型的驱动电路。图2.2是较常见的驱动电路（驱动电路电源见图2.3）。

◆ 企业名称：厦门泰尼电气有限公司
◆ 主营业务：DCS,PLC
◆ 经营模式： 贸易 
◆ 贸易地区： 全国 
◆ 联系人： 小黄《女士》
◆ 电话：0592-6809319
◆手机：18950191386 
◆ QQ:2917675397
◆ 传真：0592-6890859 （备注“01006”收） 
◆ E-mail： 2917675397@qq.com 

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