China Naming Network - Eight-character lottery - Why can the external characteristic principle of steep drop be obtained by adjusting the air gap?

Why can the external characteristic principle of steep drop be obtained by adjusting the air gap?

Why the external characteristic principle of steep drop can be obtained by adjusting the air gap;

1, the external characteristics of the steep drop are determined by the air gap of the iron core. The larger the air gap, the softer the external characteristics.

2. If the transformer is used and the silicon steel sheet cannot be inserted, the air gap can be adjusted like two halves of the contactor core.

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