Making a Magnet Generator from a Used Water Pump Using Varying Numbers of N25 Magnets in the Rotor
Pembuatan Generator Magnet dari Pompa Air Bekas dengan Variasi Jumlah Magnet N25 pada Rotor
DOI:
https://doi.org/10.21070/ups.7986Keywords:
Electrical Energy, Permanent magnet Generator, Synchronous GeneratorAbstract
A generator is a device that converts motion energy into electrical energy. In Indonesia, the demand for electricity continues to rise, and the electricity crisis has long been a concern predicted by energy experts. To address this issue, new energy sources are needed to meet the growing demand, especially in remote areas. This research used a water pump as the main component, modified by attaching N52 neodymium magnets (40 x 10 x 2 mm) to the pump rotor, with variations of 8, 10, and 12 magnetic poles. The generator was tested under no-load conditions and with a 5-watt lamp load. The best results were obtained with 12 magnetic poles. At 1500 rpm, the generator produced 51.7 volts and 0.03 amperes; at 2000 rpm, 68 volts and 0.03 amperes; and at 2500 rpm, 82.9 volts and 0.05 amperes. These results demonstrate that the generator is capable of powering a 5-watt lamp.
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