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Audio manual page 19
The power thyristor, paralleled with the total supply voltage, is trigged,
i.e. short-circuit current peaks to around 350
amperes for 6.5 ms, completely releasing the filtering capacitors' storage
energy, through an appropriate, custom designed choke absorber.
This sudden current rise at the transformer's secondary windings also implies
a very high current at its primary windings, proportional to the inverse ratio of
the primary to secondary voltages. This current is at least 20
times greater than the nominal value of the fuses. |
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