基于电能专用计量芯片ATT7022A的低压无功补偿控制器设计

摘要

以高精度三相电能专用计量芯片ATT7022A为电能信号采集芯片，及时精确采集电网各项参数，以意法半导体公司的STM32 F103为主控芯片，晶闸管控制电容器组的投切，来设计低压动态无功补偿控制器，用以实现对低压线路的动态无功补偿。实验表明，该控制器能极大地提高线路的功率因数，减少线损，延长电力设备的使用寿命，进而改善电网供电质量。%With high precision three‐phase energy metering chip ATT7022A as power signal collection chip ,timely and ac‐curate collection grids parameters ,with STMicroelectronics STM32 as the master chip ,thyristor control capacitor switc‐hing .Design low pressure dynamic reactive power compensation controller for low‐volt‐age lines to achieve the dynamic re‐active power compensation .Experiments show that this controller can gre‐atly improve the lines power factor ,reduce lines losses ,extend the life of electrical equipment ,and then impro‐ve quality of power supply .