宋锡强

RS485 isolation power supply circuit for electric energy meter

谢永明, 宋锡强, 李家诚, 2012 .

Intelligent electric energy meter and public utility meter reading system

陈凯, 张平, 宋锡强, 2012 .

Self-checking electronic energy meter and self-checking method thereof

宋锡强, 宁骞, 方建良, 2011 .

Load controlling method of intelligent and integral multifunction watt-hour meter

李志, 王洪剑, 于峰, 2012 .