Peterson coils based on magnetic control adjustable reactance and its application

A novel Peterson coil with three phases and five columns is presented to solve the high-order harmonic induced by regulating the triggering angle of thyristor-controlled reactor (TCR) after analysed the current state and existing problems of automatic resonance Peterson coil, which is based on changing magnetic coupling and flux to adjust inductance The structure of this reactor is different from the traditional model which is by altering the mutual inductance coupling quotiety to adjust inductance. This paper also analyse the harmonics and volt-ampere characteristic of the ASC. The DSP hardware realization and the turning principle of the ASC are also presented. The experiments show that this type of ASC has quick resonance speed, no high order harmonic and accurate tracing and compensating capacitive current automatically.