Electrical insulating material can be divided into several classes based on the maximum working temperature, which is as follows: Class Y, the maximum working temperature of 90° C. Included in this class is a fibrous material organic (such as cotton, natural silk, synthetic wool, rayon fiber polyamide, paper, prespan, wood, polyacrylate, polyethylene, polyvinyl, rubber, and so on) that are not ...
Read More »Memeriksa Daya Listrik
Peralatan listrik atau beban listrik yang ada di dalam rangkaian listrik yang memproduksi suatu kerja tertentu lazim direpresentasikan sebagai resistan dari suatu rangkaian. Gambar 5.2 memperlihatkan dua rangkaian listrik yang memiliki resistan berbeda. Gambar 5.1 Lampu dalam Hubungan Seri dan Paralel Setiap peralatan listrik memiliki resistansi tertentu. Besarnya resistan tergantung pada ukuran dan keperluan peralatannya. Sebagai personil pemeliharaan, sudah seharusnya ...
Read More »Builder Materials Resistor
Most of the film resistors of the type of metal layer has a nominal value of a typical power dissipation of 250mW sebasar up to a nominal value of 2W. In the resistor wire windings are made by wrapping the resistance wire in an insulating material. Resistance of materials commonly used is chromium-nickel (nichrome), the compounds of nickel (Eureka), and ...
Read More »Resistor Circuit and Calculation
Resistor serves to inhibit current and dividing voltage, nominal resistance value and tolerance shown by the tape of a resistor color code on the resistor body. The first color and the second is the value of the unit, and tens, the third color indicates the number zero and the fourth color is tolerance. Example: A resistor has the color in ...
Read More »Inductance In Inductor
If the resistor, it only has a resistance value of the inductor she has a resistance value (R) and the value of inductance (L). Where the magnitude of the inductance value depends on the number of windings (N), the windings cross-sectional area (A) and the long axis of the windings (l). Mathematical relation can be written as follows: μo is ...
Read More »Charging Electric In Capacitors
We can also charge the capacitor by connecting a capacitor to a voltage source (battery) within the specified time as shown below: Capacitors at the beginning (t = 0) we consider empty of electric charge, then menuruthukum Kirchoff apply: E – IR – VC = 0 with Vc is a potential difference in the capacitor, because V = Q / ...
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