摘要
对压频转换式 (VFC型 )数据采集系统的基本工作原理、系统组成原理进行了阐述 ,并对电力系统微机继电保护常采用的比较式数据采集系统和压频转换式数据采集系统两种方案加以分析比较 ,指出了VFC型模数转换器 (ADC)的优势。
Basic work principle and system composing principle of VFC conversion data acquisition system are expounded.Two ways of data acquisition system of SAR and VFC are compared and analyzed, used by micro-computer relay protection of power system. Merit of VFC's ADC is pointed out.
