scholarly journals Implementation of a Temperature Control System in the Roasting Process of Cilembu Sweet Potatoes Using a Microcontroller Based Oven

2020 ◽  
Vol 10 (3) ◽  
pp. 136-139
Author(s):  
Toni Agung Wicaksono ◽  
Aad Hariyadi ◽  
Koesmarijanto Koesmarijanto
Keyword(s):  
Control System ◽  
Sweet Potato ◽  
Temperature Control ◽  
System Performance ◽  
Temperature Control System ◽  
Half Time ◽  
Sweet Potatoes ◽  
Roasting Process ◽  
Wireless Module

Indonesia has a famous sweet potato called Ubi Cilembu that has a chewy and attractive meat structure. The advantages of this sweet potato, if baked in an oven, will produce a sweet honey flavor. Cilembu Sweet Potato that does not taste honey when eaten will reduce the delicacy because during the roasting process using an oven, there is no temperature control system that causes not toasted properly. Since reversing Cilembu yams is still done manually which can be endangering workers if exposed to a hot part of the oven. Because of this, the researcher will make it easier for users to work on the cilembu sweet potato roasting process more effectively than an oven control system is made. The implementation system is done by entering the temperature setpoint value and the timer via the remote displayed on the LCD, then the data is sent using a wireless module when the oven's half-timer time will rotate automatically by using the servo metal gear. The results are carried out by using a remote temperature control in the oven by entering the temperature setpoint value and the timer via the remote displayed on the LCD, then the data is sent using the wireless module when the furnace timer half time in the oven will rotate automatically using a metal servo gear. The system performance is designed to work within 2 hours with a weight of 1 kg of cilembu sweet potato using a temperature of 100.50 ° C.

Temperature Control System for Transformer Three-Phase 50 Hz 2500 kVA

2017 ◽  
Vol 3 (2) ◽  
pp. 88
Author(s):  
Suci Rahmatia ◽  
Marsah Zaysi Makhudzia
Keyword(s):  
Optimal Control ◽  
Control System ◽  
Heat Loss ◽  
Temperature Control ◽  
Electrical Energy ◽  
Temperature Control System ◽  
Iron Core ◽  
Electrical Device ◽  
Optimal Control System ◽  
Three Phase

<p><em>Abstrak <strong>- </strong></em><strong>Transformator adalah peralatan listrik yang sangat vital dalam proses pembangkitan maupun transmisi energi listrik karena transformator dapat menaikkan atau menurunkan tegangan. Pada proses menaikkan dan menurunkan tegangan biasanya sering timbul panas akibat rugi – rugi tembaga pada inti besi dan kumparannya sehingga pada kondisi overload akan menimbulkan pemanasan yang berlebih dan dapat mempengaruhi kinerja transformator. Oleh karena itu dibuat sistem kontrol temperatur pada transformer yang dapat mengontrol temperatur di dalam transformator saat bekerja pada kondisi overload, sehigga transformatornya tidak terbakar. Dial thermometer digunakan sebagai alat yang mengontrol temperatur transformator pada sistem kontrol temperatur. Agar mendapatkan sistem kontrol yang optimal, maka setting temperatur pada dial thermometer di sesuaikan dengan temperatur maksimal tranformator dapat bekerja. Sehingga pada saat temperatur tertentu dial thermometer dapat memberikan sinyal untuk membunyikan alarm dan mengaktifkan kontrol kipas sehingga kipas dapat bekerja menurunkan temperatur transformator.<em></em></strong></p><p><strong><em> </em></strong></p><p><strong><em>Kata kunci - </em></strong><em>transformator, rugi – rugi tembaga, temperatur, sistem kontrol, dial thermometer<strong>.</strong></em></p><p><strong><em> </em></strong></p><p><em>Abstract <strong>- </strong></em><strong>A transformer is an electrical device that is vital in the generation and transmission of electrical energy because the transformer can raise (stepping up) or lower (stepping down) the voltage. In the process of raising and lowering the voltage is usually often caused heat loss of copper in iron core and coil so that the overload condition will cause excessive warming and can affect the performance of the transformer. Therefore, a temperature control system on the transformer can control the temperature inside the transformer while working under overload conditions, so the transformer is not burned. Dial thermometer is used as a device that controls the temperature of the transformer in the temperature control system. In order to obtain an optimal control system, the temperature setting on the dial thermometer adjusted to the maximum transformer temperature can work. So that when a certain temperature dial thermometer can provide a signal to sound the alarm and activate the fan control so that the fan can work down the transformer temperature.</strong></p><p><strong> </strong></p><p><strong><em>Keywords -  </em></strong><em>transformator, loss of copper, themperature, control system, dial thermometer<strong></strong></em></p>

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