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发明公开
CN103472433A 智能变电站电能计量二次系统虚负荷误差检测装置及方法 有权 转让

智能变电站电能计量二次系统虚负荷误差检测装置及方法
摘要：
本发明公开了一种智能变电站电能计量二次系统虚负荷误差检测装置及方法，误差检测装置包括电能表现场校验仪和高精度模拟信号源，高精度模拟信号源输出三相电压、电流模拟量同时输入被检测智能变电站电能计量二次系统和电能表现场校验仪，同时电能计量二次系统中数字式电能表的电能量脉冲也输入到电能表现场校验仪，把电能计量二次系统和电能表现场校验仪计量的电能进行比较，实现智能变电站电能计量二次系统虚负荷整体检测。本发明解决了智能变电站电能计量二次系统虚负荷下整体检测的难题，整个检测工作可以在数分钟内完成，简单易行，具有较高的经济性、可靠性、安全性。
摘要（英）：

The invention discloses an intelligent substation electric energy measuring secondary system virtual load error detection device and method. The error detection device comprises an electric energy meter on-site calibration instrument and a high-precision analog signal source. High-precision analog signal source output three-phase voltage and current analog quantities are simultaneously input into a detected intelligent substation electric energy measuring secondary system and the electric energy meter on-site calibration instrument, electric energy pulses of a digital electric energy meter in the electric energy measuring secondary system are also input into the electric energy meter on-site calibration instrument at the same time, the electric energy measured by the electric energy secondary system is compared with the electric energy measured by the electric energy meter on-site calibration instrument, and then intelligent substation electric energy measuring secondary system virtual load error overall detection is achieved. The intelligent substation electric energy measuring secondary system virtual load error detection device and method solve the problem of intelligent substation electric energy measuring secondary system virtual load error overall detection, the whole detection operations can be achieved in a few minutes, and the intelligent substation electric energy measuring secondary system virtual load error detection device and method are easy to achieve, and have higher economy, reliability and safety.

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