Asaan - Converter

: If dropper capacitor fails shorted, full mains voltage appears at output, destroying load and creating fire risk.

[ I_load \approx \fracV_in,RMS - V_zX_C ]

[ X_C = \frac12\pi f C ]

where ( f ) = line frequency (50/60 Hz), ( C ) = dropper capacitor.

Choose standard value ( C = 0.68 \mu F ) (X2 safety capacitor). asaan converter

Assuming full-wave, the RMS input current equals output DC current (approx).

[ C_filter = \fracI_out2f V_ripple = \frac0.05100 \times 1 \approx 500 \mu F ] (assuming 1V ripple). : If dropper capacitor fails shorted, full mains

: At plug-in, if AC peak coincides with capacitor discharge, ( I_peak ) can exceed 50A, damaging rectifier diodes unless a series resistor (e.g., 10Ω) is added.