Design and Development of Portable Hand-Crank Generator

During natural disaster there is a need to have good accessibility to electrical supply for telecommunication purpose. One of the possible solutions is utilize a green power generator which does not depend on electricity. Hence, the objective of this project is to design a portable hand-crank generator for generation of electricity required for communication devices. The design concept has been developed using morphological charts in which has identified the components to be selected in the final design of the portable generator, which is the standard crank, DC motor, spur gear system, and USB interface. Next, the target requirement and specification of design were established based on the calculation. The design was later drawn and finalized in CATIA software. The design is then fabricated by using rapid prototyping method in which tested and analysed in terms of output and efficiency. The output of the generator is 5V, with a maximum current output of 1.2A with a hand-crank rotation of 120–200RPM. The main advantages of the design and product are portable, effective, smart and convenient.