Method and a device for enhanced UV disinfection
The present disclosure describes a pulsed ultraviolet (PUV) device and method of operating the PUV device for enhanced UV disinfection. The method may comprise generating a plurality of charging commands during an operation cycle of the PUV device. In an aspect, generating the plurality of charging commands may comprise generating a plurality of variable voltage amplitudes for charging a capacitor provided in the PUV device. The plurality of variable voltage amplitudes comprises at least one voltage amplitude greater than a cut off voltage amplitude. The method may further comprise generating a plurality of discharging commands corresponding to the plurality of charging commands for discharging the capacitor to generate IN pulses across the germicidal lamp.
1 . A method of operating a pulsed ultraviolet (PUV) device comprising a pulse generator and a germicidal lamp, the method comprising:
generating a plurality of charging commands during an operation cycle of the PUV device, wherein the generating the plurality of charging commands comprises generating a plurality of variable voltage amplitudes for charging a capacitor of the pulse generator, and wherein the plurality of variable voltage amplitudes comprises at least one voltage amplitude greater than a cut off voltage amplitude; and
generating a plurality of discharging commands corresponding to the plurality of charging commands for discharging the capacitor to generate UV pulses across the germicidal lamp, wherein the plurality of charging commands comprises n sets of charging commands, each set comprising at least one charging command, and wherein each set of the n sets of charging commands is associated with a particular charging interval and a particular voltage amplitude, wherein a time interval between any two consecutive charging commands among the plurality of charging commands is same during the operation cycle, and wherein a voltage amplitude associated with one set of charging commands is different from a voltage amplitude associated with another set of charging commands.
2 . The method of claim 1 , wherein a charging interval associated with one set of charging commands is different from a charging interval associated with another set of charging
commands, and wherein a voltage amplitude associated with one set of charging commands is different from a voltage amplitude associated with another set of charging commands.
3 . The method of claim 1 , wherein the operation cycle of the PUV device comprises n sub-operation cycles, and wherein each sub-operation cycle of the n sub-operation cycles comprises one or more charging commands having the same charging interval and the same voltage amplitude.
4 . The method of claim 1 , wherein the cut off voltage amplitude is the maximum voltage amplitude below which a circuit breaker electrically connected between an input source and the pulse generator does not trip.