Induction Furnace Crucible Break Detection Design Log 2

Introduction

The crucible break detection (CBD) detects if the crucible has broken and shuts off the induction furnace. It accomplishes it by having two parallel metal plates underneath the crucible. If the crucible were to break. the metal would pour out and short out the coil. An electrical circuit will then shut off the relay that provides power to energize the 3-phase contractor and thus the entire work coil driving circuit.

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