【摘要】 提出一种基于畸变电流有效值最小原理的谐波和无功电流检测新方法，并利用负反馈原理实现了基于该方法的检测电路。该方法不仅适用于单相，也适用于三相电路。更多还原

【Abstract】 A novel detecting method of harmonics and reactive current based on distorting currents minimum principle is put forward,and the detecting circuit based on the method is realized by negative feedback principle.It not only fits for single phase circuit,but also for three phase circuit.更多还原