The imperfection mutual inductance will excite spurious frequency, and create circulating currents in each choke capacitor branch, therefore cause magnet current distortion.

• 结果表明，谐振电抗器的互感系数的不一致性将激励寄生频率，从而在每个谐振电抗器与电容支路中产生寄生电流，并导致磁铁电流的畸变。