描述
数字直流调速器的特点是体积小，输出功率大，技术难点是控制电路复杂且要求的响应速度。举个例子：660v交流变频器要做到1500kw以上的功率，硬件成本不说，光机箱大小就得好几个十个立方了吧，直流调速器输出同样功率的块头，两个立方米足够了。直流调速器在钢铁、橡塑、能源、化工等大功率，低速扭应用的场合，一直有着和变频同样重要的地位。
CISCO WS-C2940-8TT-S 2940 8 Port +1 Uplink LAN Switch
Cisco WS-F6700-DFC3A Distributed Forwarding Card
IBM 46M0918 ServeRAID M5014 SAS SATA storage controller
Cisco NM-16ESW 16port 10/100 EtherSwitch Network Module
CISCO2651XM Modular Access Router Cisco 2651XM 64D/16F
IBM 3534-F08 SAN Fibre Channel 2GB Switch 8 Ports Rack
Cabletron SS SSR-GLX29-02-AA SSR-GLX29-02 1000Base-LX
Sun 24″ LCD Monitor BR24CS X7203A 365-1427-01 DVI VGA
IBM 42W4602 ThinkPad Advanced Docking Station Type 2503
DELL POWERVAULT 112T VS80 110T DLT DRIVE 0T0857 0T1452
347954-B21 HP BL20p G3 2×3.4GHz 1MB, 4GB
