1771-IQ16K1771-IQ16K
全新原装进口PLC可编程控制器
专业销售各系列品牌控制器、伺服驱动、输入/输出模块、电源模块 (合作)
━━━━━━━━━━━━━全系列产品(A full range of products)
加工定制:否 工作电压:220(V)
产品描述:现货/订货 货期短 产品图片 产品价格 仅供参考
公司名称:厦门航拓电气有限公司
Xia Men Hangtuo Electric Co., Ltd.
公司简称:航拓电气
销售地区:全国
公司经营品牌:Allen-Bradley
abb、Siemens、Fanuc _-_-- plc可编程控制器
Schneider、Westinghouse、Ge _-__- dcs集散式控制系统
公司聯络人:小吴(销售工程师)
Tel:0592-5072236
Fax:0592-5072083
Phone:18965131356
在线QQ:1665532815
1、机械调压型,即以伺服电机带动炭刷在自耦变压器的的绕组滑动面上移动,改变Vo对Vi的比值,以实现输出电压的调整和稳定。该种稳压器可以从几百瓦到几千瓦。它的特点是结构简单,造价低,输出波形失真小;但由于炭刷滑动接点易产生电火花,造成电刷损坏以至烧毁而失效;且电压调整速度慢。
2、改变抽头型,将自耦变压器做成多个固定抽头,通过继电器或可控硅(固态继电器)做为开关器10件,自动改变抽头位置,从而实现输出电压的稳定。
该种型稳压器优点是电路简单,稳压范围宽(130V-280V),效率高(≥95%),价格低。而缺点是稳压精度低(±8~10%)工作寿命短,它适用于家庭给空调器供电。
大功率补偿型——净化型稳压器(含精密型稳压器)
它用补偿环节实现输出电压的稳定,易实现微机控制。
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