ABSTRAK
Pada umumnya bahan bakar yang di gunakan pada tempat peleburan adalah LNG dan LPG.
Penggunaan bahan bakar ini memerlukan perhatian khusus pada beberapa factor
keselamatan dalam proses peleburan berlangsung. Tujuan penelitian ini adalah untuk
menghasilkan rancang bangun pemanasan logam yang efisien dengan sistem induction
heater dengan memanfaatkan energi elektromagnetik dan arus eddy dalam pemanasan
logam danmengetahui variasi kinerja coil pemanas pada induction heater. Alat ini
menggunakan sistem mikrokontroller atmega 328 yang dilengkapi dengan sensor suhu,
display suhu dan stopwatch. Alat induction heater di rancang dengan daya 1000 watt,
dimana pemanas logam induction heater akan di uji dengan variasi coil pemanas serta
perbedaan regangan pada coil dan diameter coil dan di uji dengan 2 material dengan suhu
berbeda material baja karbon aisi 1045 suhu 500o c dan material stainles steel aisi 316 /
(ss) pada suhu 275o c. Sehingga di dapatkan hasil pengujian sistem induction heater pada
coil pemanas pertama karbon AISI 1045 arus eddy 7,501watt, daya kalor 14,096 watt, daya
748,251watt, fisiensi 60%, stainles steel AISI 316 arus eddy 4,383watt, daya kalor
4,482watt, daya 337,285watt,efisiensi 39%. Coil pemanas kedua karbon AISI 1045 arus
eddy 1,487watt, daya kalor o58,819watt,daya induction 799,050 watt ,efisiensi 71%,
stainless steel AISI 316 arus eddy 1,1884 watt, daya kalor 4,6621 watt, daya induction
373,9watt, efisiensi 54%. Coil pemanas ketiga karbon AISI 1045 arus eddy 2,064watt, daya
kalor 35,215watt,induction 718,916watt, efisiensi 54%, stainless steelAISI 316 arus eddy
4,320watt, daya kalor 1,1760watt ,daya efisiensi 7%.
Kata kunci : Coil Pemanas, Eddy Current , Induction Heater , Mikrokontroller Atmega
328
ABSTRACT
In general, the fuels used at the smelting plant are LNG and LPG. The use of this fuel requires
special attention to several safety factors in the melting process. The purpose of this research is to
produce an efficient metal heating design with an induction heater system by utilizing
electromagnetic energy and eddy currents in heating metal and to determine the variation in coil
heating performance on an induction heater. This tool uses an atmega 328 microcontroller system
which is equipped with a temperature sensor, temperature display and stopwatch. The induction
heater is designed with 1000 watts of power, where the metal induction heater will be tested with a
variety of heating coils as well as differences in strain on the coil and coil diameter and tested with
2 materials with different temperatures, aisi 1045 carbon steel material with a temperature of 500o
c and stainless material steel aisi 316 / (ss) at 275o c.So that the test results obtained from the
induction heater system on the first heating coil AISI 1045 carbon eddy current 7,501 watts, 14,096
watts of heating power, 748,251 watts of power, 60?ficiency, stainless steel AISI 316 eddy current
4,383 watts, 4,482 watts of heat, 337,285 watts , 39?ficiency. Second heating coil AISI 1045
carbon eddy current 1.487watt, heating power 58.819watt, induction power 799.050 watts,
efficiency 71%, stainless steel AISI 316, eddy current 1.1884 watts, heating power 4.6621 watts,
373.9watt induction power, efficiency 54%. The third heating coil is AISI 1045 carbon eddy current
2,064watt, heating power 35,215watt, induction 718,916watt, 54?ficiency, stainless steelAISI
316 4,320watt eddy current, 1.1760watt heating power, 7% power efficiency.
Keywords : Coil Pemanas, Eddy Current , Induction Heater , Mikrokontroler Atmega328