42SRP-6022-QD;
42SRP-6022-QD现货；
42SRP-6022-QD供应。

工业节能日渐成为产业发展核心之一。变频器产品由于具有灵活的调速功能，在电力节能领域优势明显。从当前发展趋势而言，变频器产业将继续走调速节能的发展道路。

变频器是工控系统的重要组成设备，安装在电机前端以实现调速和节能。高压变频器后端主要拖动风机、水泵类负载，实际节电效果达30%~60%，未来该行业市场发展将受益于大中型项目改造;低压变频器与控制层和执行层设备共同组成自动化控制系统，其未来发展将受益于制造业“装备升级”。

变频器工业应用优势明显十二五明确产业规划

变频技术用来对电机进行无级调速，通过控制半导体器件的通断改变输出频率，以实现对后端拖动交流电机的软启动、变频调速及提高运转精度，并实现过流、过压、过载保护。

对比过去的机械调速方式，变频调速的范围宽，可达到100%~5%;调控精度高，可达到±0.5%;由于它是无极调速，可实现电机的软启动和整个生产系统的全自动控制，进而减少对电网的冲击。

有关专家对比了电气设备中几种主要节能产品的效果，其中变频器效率高达30%~60%，使用时只需加装在电机前端，对原有设备改动较小。


　　12) 蓦回首，已风住尘香花色尽飘零，清声扬，且陌上歌行。
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