Design of the three-phase axial flux generator with eight permanent Neodymium magnets for charging battery 12 Volt

Abstract

Abstract Today with the depletion of primary energy in the form of petroleum and coal, which has led to soaring prices of oil and coal, resulting in swelling in electricity costs in Indonesia. The swelling is also because 85% of electricity fuel is petroleum and coal and added by the development of technology in this era, which will require more electricity resources to supply the needs and demands of consumers to the state electricity company. Therefore, making research modeling as a power plant whose potential energy found in nature will be needed. In every power plant, there will be generators that will be necessary to convert mechanical energy into electrical energy. In design in axial generator flux with opposite poles, they have 12 coils on both stators, each of which has 375 turns connected in series with 8magnets Neodymium Iron Boron (NdFeB)on the rotor. The diameter of the wire email used in this generator is 0.5 mm. Tests carried out using a battery 12 Voltas a load, with the treatment of the cell, is charging using an axial generator flux. Experiments of the voltage, current, and rotational speed of the rotor to determine the power and efficiency of the generator carried out before and after the rectifier 3 phase. The rotation variation will produce harvesting energy. This research employs the system harvesting energy to charge 12 Volt lithium batteries. The test results show that change flux this magnet produces a voltage of 20 volts and a current of 0.288 A, and the interaction of the magnetic field between Aluminum-Cu electrons is capable of producing a current of 0.288 A.