CAJ | 학술논문

　　控制与保护开关（CPS）主要用来保护电器，大量程电流回路中会采用不同转换比的电流互感器采集电流，导致操作复杂和成本提高。以STC 8－bit单片机STC12C5A48S235为控制核心，设计了CPS的数据采集及处理模块、通信模块以及外围模块。基于DS3904与LM358进行全程电流测试，并通过上位机控制面板进行远程和本地操控。经测试，满足设计要求，具有稳定性和可升级性。
　　공제여보호개관（CPS）주요용래보호전기，대량정전류회로중회채용불동전환비적전류호감기채집전류，도치조작복잡화성본제고。이STC 8－bit단편궤STC12C5A48S235위공제핵심，설계료CPS적수거채집급처리모괴、통신모괴이급외위모괴。기우DS3904여LM358진행전정전류측시，병통과상위궤공제면판진행원정화본지조공。경측시，만족설계요구，구유은정성화가승급성。
Control and Protective Switching Devices (CPS) are mainly used to protect electrical applicances .In large current circuit , different current transformers should be used to collect the current data ,which will make the operation complicated and increase the cost .In this paper ,a data acquisition and processing device for CPS is designed ,which takes a STC12C5A48S235 microcomputer as core processor .Based on it ,some basic hardware circuits are designed ,including the data acquisition and processing module , communication module ,peripheral module and so on .The whole current tester is based on DS3904 and LM358 ,being controlled remotely and on-site by controlling panel .The strict tests show it can meet the design requirements .