By changing frequency, using an intermediate-frequency transformer instead of a low-frequency transformer can make the arc starter small, light and reliable.
利用变频方法，以中频变压器取代低频变压器，从而使引弧器具有体积小、重量轻和引弧可靠的特点。
By changing frequency, using an intermediate-frequency transformer instead of a low-frequency transformer can make the arc starter small, light and reliable.
利用变频方法，以中频变压器取代低频变压器，从而使引弧器具有体积小、重量轻和引弧可靠的特点。
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