Description:The embodiments herein will be better understood from the following detailed description with reference to the drawings, in which:
FIG. 1 illustrates a self-powered food cart with combined solar heating and photovoltaic system according to some embodiments herein;
FIG. 2 illustrates an exemplary diagram of an electric conversion unit of FIG. 1 according to some embodiments herein;
FIG. 3 illustrate a flow diagram of a method of an electric conversion unit of a self-powered food cart with combined solar heating and photovoltaic system according to some embodiments herein;
, Claims:I/We Claim:

1. A self-powered food cart with combined solar heating and photovoltaic system (100), wherein the system (100) comprises:
a food cart (102) that offers mobility functions for delivering or selling food items;
solar PV panels (104) that receive sunlight to powerup the electrical loads;
a solar heater (106) that receives the heat energy from the sun; and
an electric conversion unit (200) that that converts energy from solar into electricity for the various electric loads of the food cart.
characterized in that,
the electric conversion unit (200) comprises a control unit (212) that is configured to control a charge controller (204) and an inverter (208) to operate the loads effectively.

2. The system (100) as claimed in claim 1, wherein the electric conversion unit (200) comprises solar PV panels (104), the charge controller (204), a battery (206), the inverter (208), loads (210) and the control unit (212).
3. The system (100) as claimed in claim 1, wherein the solar heater (106) comprises the collectors and the storage tank to store the hot water, the hot water is utilized for the cooking processes at the food cart.
4. A method of an electric conversion unit of a self-powered food cart with combined solar heating and photovoltaic system, wherein the method comprises:
receiving, using solar PV panels (104), sunlight
generating, using solar PV panels (104), a DC Power
charging, using a charge controller (204), a battery (206)
converting, using an inverter (208), DC to AC power
transferring, using an inverter (208), AC power to loads (210)
controlling, using a control unit (202), the charge controller (204) and the
inverter (208)

5. A method of an electric conversion unit of a self-powered food cart with combined solar heating and photovoltaic system, wherein the method comprises:
controlling, using a control unit (202), the charge controller (204) and the inverter (208) using pulse width modulation techniques.