As standard AC drives approach their 40th birthday,and move into their fifth generation,the technology they use has already evolved to challenge the dominance of other methods of variable speed such as hydraulic,pneumatic and DC drives.Now,it would appear,it is the turn of the servodrive to battle with AC drive technology.But what,exactly,is meant by a servodrive? The applications for servo technology are vast.And as manufacturers jockey to position their products,the result is a plethora of names trying to describe the different technologies available.
展开▼
