电子世界
電子世界
전자세계
ELECTRONICS WORLD
2013年
14期
36-36
,共1页
小电流接地选线%单相接地故障%零序互感器
小電流接地選線%單相接地故障%零序互感器
소전류접지선선%단상접지고장%령서호감기
Smal Current Grounding Line%ground fault%zero-sequence current transformer
微机型小电流接地选线装置在小电流接地系统中得到了广泛应用，如何保证选线装置准确可靠选线，对快速处理单相接地故障显得尤为重要。通过对两起微机型小电流接地选线装置误动作的原因进行分析，指出微机型小电流接地选线装置及零序互感器在安装运行过程中的注意事项。
微機型小電流接地選線裝置在小電流接地繫統中得到瞭廣汎應用，如何保證選線裝置準確可靠選線，對快速處理單相接地故障顯得尤為重要。通過對兩起微機型小電流接地選線裝置誤動作的原因進行分析，指齣微機型小電流接地選線裝置及零序互感器在安裝運行過程中的註意事項。
미궤형소전류접지선선장치재소전류접지계통중득도료엄범응용，여하보증선선장치준학가고선선，대쾌속처리단상접지고장현득우위중요。통과대량기미궤형소전류접지선선장치오동작적원인진행분석，지출미궤형소전류접지선선장치급령서호감기재안장운행과정중적주의사항。
A microcomputer smal current grounding line selection device has been widely applied in the smai current grounding power systems,how to ensure the accuracy and reliability of fault line selection device,is particularly important for fast processing of grounding fault is single-phase.Through the analysis on reasons of two micro models of smal current grounding line selection device malfunction,points out matters needing attention in instal ation and operation process of the microprocessor-based device for smal current grounding and zero sequence current transformer.
