The Magnetising System
Capacitive discharge magnetisers are used where the required magnetising current is too high to be achieved using direct power from the mains supply. Depending on the exact requirements of the geometry to be magnetised, the material type and the fixture design, this current is often in the range 5000-10000A but can also be much higher.
A capacitive discharge magnetiser, charges up an internal capacitor bank to a required voltage level over a short period of time. This stored energy is then discharged into the magnetising fixture (in a much shorter period of time), in a controlled manner, producing the large required currents and hence magnetising field strength.
Hirst incorporate microprocessor technology in their magnetisers to safely manage the charging and discharging of the machine during the magnetising operation making it very safe to use.
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