To enhance the quality of manufacturing as responsibility, build national brand of measurement!
To enhance the quality of manufacturing as responsibility, build national brand of measurement!
常规的测量方法是：电压/电流传感器先将高电压/大电流信号变换为低电压/小电流信号，再连接到分析仪，分析仪只测量低电压和小电流信号。这种方式下，传感器和分析仪及传输线路都会引入测量误差，一方面加大了测量误差，另一方面也使测量误差不好预计WP3000变频功率分析仪，不论是低电压、小电流还是高电压、大电流信号，均可采用各种不同量程的变频电量变送器直接连接一次回路，变送器直接输出数字信号，二次仪表只是对数字信号进行必要的运算，并不会增加误差，这样，引入误差的环节只有一个，只需要对变频电量变送器的误差进行试验，即可确定整个系统的误差。
China's leading enterprise in variable frequency power measurement and metering
National variable frequency power measuring instrument (metering station) founder
Research and development unit of national variable frequency power metering standard