A Mathematical Loading Model in the Power Generator of Thermoelectric Generator

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Cekmas Cekdin, et.al

Abstract

Most of the electrical energy produced today is obtained from primary energy such as oil, natural gas, and non-renewable coal. The utilization of fossil energy has caused negative impacts such as air pollution and global pollution. One of the potential sources of energy as a renewable energy source is the use of thermoelectric generators. The use of this energy source produces cheap, environmentally friendly and sustainable electrical power. The previous research results have shown that  the thermoelectric generator that can produce large currents and voltages is the type of SP 1848-27145 Thermoelectric Generator. The


output current is 2 to 3 Amperes and its maximum voltage is 5 Volt dc with a load


of 5 Watt, 12 Volt DC LED lights. The measurement results show that the thermoelectric generator type SP 1848-27145 can produce current and voltage at the hot side temperature of the piltier of 74oC and at the cold side of the piltier of 42oC. The design results in the form of a Thermoelectric Generator Application as a load-bearing power plant in the system are as follows: 130, 140,150, 160, 170, 180, 190, 200, 210, 220, and 230 Watt. This varied loading is useful for revealing the maximum load on the system so that it works continuously or at least works for a long time. The results of calculation using the mathematical model of ŷi = 14,94 – 0,0097x1 + 1,189x2 reveal that the maximum allowable load is 200 Watts.

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