厂用电设备电气监测录波装置设计方案

Study of hv Power supply Electric supervisory and fault-recordintg

装置在设计上采用了先进的原理及技术 ,能满足用户对故障测量、电能计量、实时数据采集、故障录波、高速数据通信及数据处理能力的要求 。

In order to satisfy some spectial requirements of a microprocessor based electrical supervisory,fault-recording device of the HV power supply in power plant,such as high resolution,high sample rate and high-speed calculation,this paper proposes a new hardware design scheme based on digital signal processor(DSP).The interface and the whole device based on TMS320C32 are presented in detail.The whole device has two CPU in construction.This device can memorize the whole process such as overload,serious shout-circuit,phase failure,under-voltage and so on and has a high sensitivity.It also has the function of Auto-meter reading.This device has a flexible comunication interface such as RS232,CAN bus and so on.In a word,this device adopts advanced mechanism and technology,it can satisfy the requirement for nowmal fault analysis,fault analogue/digital signal acquisition,date communication,date high-speed processing and so on.This device will have a vast applicative prospect in the power plant.