Lulus Pendanaan PKM 2023

Selamat dan Sukses Kepada Mahasiswa Program Studi Teknik Elektro Berhasil lolos Pendanaan Program Kreatifitas Mahasiswa Tahun 2023 Dengan judul ; RANCANG BANGUN SMART PLANT PROTECTION PADA TANAMAN CABAI HIDROPONIK DENGAN TEKNOLOGI HYBRID SYSTEM GUNA MENCEGAH GAGAL PANEN AKIBAT HAMA. Adapun nama-nama Mahasiswa & Dosen Pembimbing tersebut yaitu sebagai berikut :
Ketua : Roy Harlan Perangin Angin

1. Muhammad Aldhi
Npm : 198120020
2. Dicky Aswanda
Npm : 198120034
3. Ilham Baskoro
Npm : 218150076
4. Devin Prayoga Agustira Saragih
Npm : 218120037

Dosen Pembimbing PKM:
Ir. Habib Satria, M.T, IPP

Transformator Tiga Fasa

Desain Transformator Tiga Fasa
Trafo listrik tiga fase banyak digunakan di berbagai peralatan untuk pengoperasian yang lancar dan aman. Trafo listrik tiga fasa disebut juga dengan trafo ABW, yang juga dikenal dengan nama superkonduktor. Ini adalah komponen utama dalam sejumlah peralatan elektronik. Misalnya, peralatan AB termasuk mesin mobil, pneumatik, AC, sistem pemanas rumah tangga, tungku berbahan bakar minyak, generator listrik, peralatan listrik kelautan dan satelit.

Transformator tiga fase pada dasarnya adalah sekelompok perangkat penerima yang dililit rapat atau diikat yang memiliki inti magnet permanen dan strip terminal dengan potongan kutub variabel. Mereka dapat diklasifikasikan sebagai transformator step-up atau step-down. Transformator tiga fase memiliki medan magnet yang diinduksi pada terminalnya oleh bagian kutub ketiga dari perangkat. Akibatnya, medan magnet bolak-balik yang muncul di perangkat menginduksi medan magnet kedua pada strip terminal lainnya. Arus sekunder dari perangkat kemudian diinduksi pada potongan kutub ketiga. Seperti namanya, arus yang dihasilkan dari trafo listrik berbanding lurus dengan tegangan induksi pada terminal.

Transformator tiga fasa dapat bekerja dengan sangat baik jika ditempatkan di lingkungan yang sedikit atau tanpa atmosfer. Satu-satunya cara untuk membuatnya bekerja secara efisien di lingkungan yang lembab dan lembab adalah dengan menggunakan bahan insulasi yang sesuai seperti insulasi papan serat epoksi. Selain itu, perlu untuk memasang insulasi dengan benar dengan menggunakan sambungan kait dan lubang tali yang benar. Penggulungan inti harus dilakukan dengan hati-hati untuk menghindari kemungkinan korsleting. Penting juga untuk memeriksa apakah belitan disejajarkan dengan benar sehingga kemungkinan kerusakannya minimal.

Untuk melindungi belitan primer dari benturan yang merugikan, strip pelindung tugas berat harus dipasang di bagian luar struktur terminal. Hal ini sangat penting untuk menjaga agar temuan tidak berputar dalam kondisi kecepatan tinggi. Ada banyak desain transformator tiga fase yang menggunakan pengait dari sisi sekunder dengan arah yang berlawanan dengan sisi primer untuk perlindungan. Ini lebih sulit dan tidak seefektif pendekatan pengkabelan langsung.

Biaya konfigurasi trafo listrik tergantung pada kerumitan desain dan jenis insulasi yang digunakan. Karena konfigurasi belitan bervariasi sesuai dengan lingkungan, ukuran belitan dan insulasi juga bervariasi, sehingga mempengaruhi harga transformator tiga fase. Pilihan terbaik adalah memanfaatkan layanan ahli listrik yang memenuhi syarat yang dapat membantu Anda dalam menyediakan trafo tiga fase terbaik dengan harga terjangkau.

Desain belitan sekunder memainkan peran penting dalam efisiensi perangkat. Ini juga menentukan efisiensi perangkat dalam hal mempertahankan muatan listrik. Tiga putaran utama ditempatkan pada poros baja untuk menimbulkan medan elektromagnetik. Gulungan sekunder terdiri dari kawat tembaga dengan ketebalan yang berbeda, yang diberi daya oleh belitan primer.

Defrost thermostat

How To Correctly Use Defrost Thermostats

Did you know that over 90% of all problems related to refrigerators are caused by defective defrost thermostat? Why not avoid buying another faulty fridge altogether and save money? No need to purchase a brand new fridge ASAP. People who have recently suffered from a malfunctioning fridge can be very thankful to the internet forums as there are numerous forums and websites that offer valuable information regarding appliance repairs. People who are happy to share their experience with others are usually more than happy to solve any of their technical problems and to share their experience: as that is what good appliance repair technicians do.


One of the best ways to resolve a malfunctioning defrost thermostat is to change it as soon as possible. In fact, the longer you leave your fridge door open, the more time the coils inside it will take to re-establish the correct cold temperature. This will increase the risk of you having to manually defrost the refrigerator again. If this is not something you want to do then try to find out how to adjust the defrost settings yourself. It is possible to lower the inside temperature of the fridge freezer by as much as five degrees. There are also some products available on the market today that can lower the internal temperature by up to five degrees.


Another way of solving a malfunctioning defrost thermostat is to use a plug-in defrost heater. Plug in defrost heaters are extremely useful if you want to save on energy costs during the winter months when central heating systems are not working properly due to the inactivity of cooling systems. These appliances work by drawing warm air in from outside and pumping this warm air through the house via ducts. This action helps to keep the central heating system working properly but it also ensures that the coils in the refrigerator remain cool enough to prevent any malfunctioning.


If you have a malfunctioning defrost thermostat and you are still unsure about what to do, then you can place the temperature switch into the “off” position. Once you have done this then place the timer on the thermostat for a certain period of time (a minute or so). When the timer is placed to the off position, your thermostat will reset itself to the correct temperature. You will have to repeat the process every five to ten minutes.


Other problems relating to malfunctioning defrost thermostat include problems with the refrigerant leaking out of the refrigerator. This usually occurs when there is already a low level of refrigerant inside. If the problem is not fixed, the refrigerator may freeze and the shelf life of some perishable items may shorten. The proper way to solve this problem is to refill the refrigerator with cold water. You can also use ice cubes if you want to get rid of the spoiled food.


A Defrost Thermostat does not only prevent your refrigerator from having trouble starting; it also prevents problems relating to low level of the heating element. Some defective refrigerators will have the heating element fall below the required level. This will usually happen when there is already a low level of refrigerant inside. Repairing Defrost Thermostats on a regular basis can help you save more money on cooling and heating costs in the future.

Defrost heater

What is a Defrost Heater?

In defrost model home systems, there is no need to open the fridge door and manually turn it on. The defrost cycle simply happens with no need for any manual initiation or control. As soon as the fridge door is opened, the freezer is cold and the system will begin the defrost cycle immediately. There is no need to wait for the food section to fully defrost before opening the fridge door. The fridge is always cold, so there is no extra warm air needed to initiate the defrost cycle.

The advantage of having a built in defrost system is that the entire space is defrosted. If the fridge is located in a room with flat floors, one may find that it is more difficult to keep all items frozen. This can be overcome by placing shelves or other devices that catch the falling food drops. Since a built in defrost heater has no need to be turned on when the fridge is defrosted, the possibility of leaving some food out or of defrosting the entire space is eliminated.


There are three types of Defrost Heaters available in the market: Heater element – In this model, the heating element is placed under the refrigerator and used for warming up the entire room. It includes the thermostat and an appropriate connector. The disadvantage is that it cannot be moved from its place; it cannot be tucked neatly under the cupboard. A good option for this type of appliance is the adaptive defrost heater. Adaptive defrost heaters are available in various sizes and have flexible mounting options.


Adjustable thermostat – This model is similar to the Heater element but has an adjustable thermostat that allows you to set the desired temperature. The advantage of this option is that it has an auto shut off feature and automatically enters into the on mode. The disadvantage is that the unit takes longer to enter the on mode and the food will be cold before the food is completely defrosted. The last type of refrigerator defrost heater is the multi-zone defrost timer.


Multi Zone Detector – This unit has a thermostat that is sensitive and is heated up using a compressor. It detects the change in temperature and triggers the compressor to warm the area in a few seconds. As soon as the desired temperature is reached by the processor, the compressor switches itself off and the thermostat returns to its original position allowing the old refrigerators to resume working.


The timer option uses a circuit to sense the room temperature and trigger the compressor. This can be an efficient way to use a defrost heater but only if the desired temperatures are consistently met. If you have an air conditioned home or workplace, then it may not be a good idea. Your other option would be to have a high powered blower fan that circulates air that will cool the area enough to kill any bacteria that may be operating in the area.

Electric motor

How To Find Out What Type Of Electric Motors Is Best For You?

Electric motor consists of Rectangle of Wire ADCA. The wire is arranged in such a way that the magnetic field lines come out of the same pole to create a voltage across the terminals of terminals A and B. The ends of the wire are connected in series – P & Q. Split rings also act as a commutator which reverses the direction of electricity in the circuit. The total resistance of the system is obtained by connecting the terminals of terminals A and B together. The power rating provided by Electric motor is in Ohm.


There are two types of Electric Motors DC or Direct Current and AC or alternating current. AC is usually used for large Electric Motors; while DC is used for small ones. The DC one is made of two complementary winding devices that are the commutators and the rotor. The brushes of Electric Motor work on the principle of Electro-Acoustic Transducers. The electrical energy is passed trough the brush and it is converted into mechanical energy by the passage of the rotor blades. Hence, the speed and torque of the Electric motor are increased depending upon the intensity of the brush current flowing through the system.


AC Electric Motor works on the principle of Van De Graaff generator. Van De Graaff generators (VDS) are used to convert mechanical energy into electrical energy. They use an AC motor to move a Van De Graaff generator, which spins the generator at high speeds. VDS can only be operated at high voltages; hence, AC electric motors are used to operate them at low voltages. The rotary speed of VDS is dependent upon the voltage. AC Electric motors have a different mechanism and work in a different manner from DC electric motors.


The next step in the series is to find out whether you need an AC Electric motor for your Electric motor. This next question has two answers, yes and no. If you want to build a very powerful Electric motor, then an AC motor will serve your purpose. Otherwise, you will be able to generate enough torque from a DC motor and this would make your Electric motor less powerful. Hence, the answer to this next question entirely depends upon your requirements.


The next step in the series is to find out whether you will be able to produce a torque capable of driving your desired speeds. Electric motors built with Permanent magnet Motor will produce more torque than AC motors. To find out the maximum torque your Electric motor will pull you will require Reverse Correlated Time and Price Analysis (RCTPA). RCTPA measures the time taken by an AC motor to spin a given speed versus the time required to spin a permanent magnet motor.


The final step in the series is to check out the power of your Motor. AC electric motors can store energy in their batteries, which will be later converted into direct current (DC). On the other hand, DC motors can be used to produce large amount of torque. In addition, AC electric motors are also used in applications requiring high frequency. Therefore, a proper comparison between all three phases of AC motor should be done before deciding which type of motor to use.