已回答假定已回答

ADE7878A有功功率,无功功率,功率因数寄存器跳动

YewShaw 在 2018-8-6 詢問的問題
最後回覆由YewShaw於2018-8-9提供

未带负载,有功功率,无功功率默认很小,寄存器值也很小.但会频繁跳动,我读取寄存器值,结果为0xFFFFFFFX这么大,请问这种情况是我的初始配置出错了吗?

 

日志如下:

[2018/8/6 15:26:37] frequency is 4998 Hz

[2018/8/6 15:26:38] a_vrms_in is 218365 mV

[2018/8/6 15:26:38] b_vrms_in is 219075 mV

[2018/8/6 15:26:38] c_vrms_in is 222085 mV

[2018/8/6 15:26:38] a_irms_in is 6 mA

[2018/8/6 15:26:38] b_irms_in is 7 mA

[2018/8/6 15:26:38] c_irms_in is 7 mA

[2018/8/6 15:26:38] a_power_in is 100214312 mW

[2018/8/6 15:26:38] b_power_in is 100214360 mW

[2018/8/6 15:26:38] c_power_in is 113 mW

[2018/8/6 15:26:38] a_var_in is 100214 mvar

[2018/8/6 15:26:38] b_var_in is 100214 mvar

[2018/8/6 15:26:38] c_var_in is 0 mvar

[2018/8/6 15:26:38] a_power_angle  is 250°

[2018/8/6 15:26:38] b_power_angle  is 13°

[2018/8/6 15:26:38] c_power_angle  is 223°

[2018/8/6 15:26:38]

[2018/8/6 15:26:40] frequency is 4996 Hz

[2018/8/6 15:26:40] a_vrms_in is 218583 mV

[2018/8/6 15:26:40] b_vrms_in is 219165 mV

[2018/8/6 15:26:40] c_vrms_in is 222328 mV

[2018/8/6 15:26:40] a_irms_in is 7 mA

[2018/8/6 15:26:40] b_irms_in is 6 mA

[2018/8/6 15:26:40] c_irms_in is 7 mA

[2018/8/6 15:26:40] a_power_in is 83 mW

[2018/8/6 15:26:40] b_power_in is 100214352 mW

[2018/8/6 15:26:40] c_power_in is 65 mW

[2018/8/6 15:26:40] a_var_in is 100214 mvar

[2018/8/6 15:26:40] b_var_in is 100214 mvar

[2018/8/6 15:26:40] c_var_in is 0 mvar

[2018/8/6 15:26:40] a_power_angle  is 63°

[2018/8/6 15:26:40] b_power_angle  is 93°

[2018/8/6 15:26:40] c_power_angle  is 230°

[2018/8/6 15:26:40]

[2018/8/6 15:26:42] frequency is 4998 Hz

[2018/8/6 15:26:42] a_vrms_in is 218640 mV

[2018/8/6 15:26:42] b_vrms_in is 218963 mV

[2018/8/6 15:26:42] c_vrms_in is 222287 mV

[2018/8/6 15:26:42] a_irms_in is 7 mA

[2018/8/6 15:26:42] b_irms_in is 7 mA

[2018/8/6 15:26:42] c_irms_in is 7 mA

[2018/8/6 15:26:42] a_power_in is 113 mW

[2018/8/6 15:26:42] b_power_in is 35 mW

[2018/8/6 15:26:42] c_power_in is 107 mW

[2018/8/6 15:26:42] a_var_in is 100214 mvar

[2018/8/6 15:26:42] b_var_in is 100214 mvar

[2018/8/6 15:26:42] c_var_in is 0 mvar

[2018/8/6 15:26:42] a_power_angle  is 97°

[2018/8/6 15:26:42] b_power_angle  is 143°

[2018/8/6 15:26:42] c_power_angle  is 76°

[2018/8/6 15:26:42]

[2018/8/6 15:26:44] frequency is 4997 Hz

[2018/8/6 15:26:44] a_vrms_in is 218777 mV

[2018/8/6 15:26:44] b_vrms_in is 219360 mV

[2018/8/6 15:26:44] c_vrms_in is 222381 mV

[2018/8/6 15:26:44] a_irms_in is 7 mA

[2018/8/6 15:26:44] b_irms_in is 7 mA

[2018/8/6 15:26:44] c_irms_in is 6 mA

[2018/8/6 15:26:44] a_power_in is 0 mW

[2018/8/6 15:26:44] b_power_in is 100214336 mW

[2018/8/6 15:26:44] c_power_in is 59 mW

[2018/8/6 15:26:44] a_var_in is 100214 mvar

[2018/8/6 15:26:44] b_var_in is 100214 mvar

[2018/8/6 15:26:44] c_var_in is 0 mvar

[2018/8/6 15:26:44] a_power_angle  is 166°

[2018/8/6 15:26:44] b_power_angle  is 1°

[2018/8/6 15:26:44] c_power_angle  is 135°

[2018/8/6 15:26:44]

[2018/8/6 15:26:46] frequency is 4998 Hz

[2018/8/6 15:26:46] a_vrms_in is 218844 mV

[2018/8/6 15:26:46] b_vrms_in is 219468 mV

[2018/8/6 15:26:46] c_vrms_in is 222454 mV

[2018/8/6 15:26:46] a_irms_in is 7 mA

[2018/8/6 15:26:46] b_irms_in is 6 mA

[2018/8/6 15:26:46] c_irms_in is 6 mA

[2018/8/6 15:26:46] a_power_in is 113 mW

[2018/8/6 15:26:46] b_power_in is 100214344 mW

[2018/8/6 15:26:46] c_power_in is 41 mW

[2018/8/6 15:26:46] a_var_in is 0 mvar

[2018/8/6 15:26:46] b_var_in is 100214 mvar

[2018/8/6 15:26:46] c_var_in is 0 mvar

[2018/8/6 15:26:46] a_power_angle  is 37°

[2018/8/6 15:26:46] b_power_angle  is 129°

[2018/8/6 15:26:46] c_power_angle  is 171°

結果