A design of data acquisition system based on PCI bus is presented to overcome the existing shortage of fault recorder for generator-transformer unit,such as few channels,low sampling rate and so on.

• 目前国内故障录波采集系统设计主要有模块化和集中化两种方案,介绍了这两种设计的主要特点及应用场合,并比较了两者的优缺点。