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针对电力系统高次谐波的安全检测需求,提出主动式传感器在电力系统中的安全检测方法,构建安全检测模型。模型采集电力设备用电数据以及用户用电数据,通过电力设备监控器、主动式传感器和网络分析器,检测出电力系统标准作业和协同作业场景中的非善意入侵动作。以主动式传感器进行的高次谐波检测为主,提出正序谐波、负序谐波和零序谐波的即时检测方法,将电力设备数据更替为三相电压矢量,使用主动式传感器将矢量电流转换成即时电流。实验结果说明,所提方法的运算消费和通讯消费低,能量消耗小。
Aiming at the requirement of safety detection of higher harmonic in power system, a safety detection method of active sensor in power system is proposed and a safety detection model is constructed. The model collects power equipment power consumption data and user electricity consumption data, and detects non-intentional intrusion actions in power system standard operations and collaborative work scenarios through power equipment monitors, active sensors and network analyzers. Active high-order harmonic detection of sensors based, put forward the positive sequence harmonics, negative sequence harmonics and zero order harmonic real-time detection methods, the power equipment data is replaced by three-phase voltage vector, the use of active sensors Vector current into instant current. The experimental results show that the proposed method consumes less computing and communication costs and consumes less energy.