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Electrical Voltage

Electrons to the movement requires a driving engine, which is similar to a pump, which on one side of the electrical circuit electrons “pushed into”, at the same time on the other side “pull” electrons. This machine is hereinafter referred to as generator voltage or voltage source. Thus in one clamp of the excess electron source voltage (pole), clamp the ...

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Configuring Multimeter

Multimeter described in this book is Multimeter Analog that use rotating coils to move the needle board scale. Multimeter is widely used because they are relatively affordable. If the Digital Multimeter direct measurement results can be read in the form of numbers that appear on the screen display, the analog multimeter measurement results read by the appointment of a needle ...

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Protection and Earthing Motor Loads

Motor operation protects against tampering and damage, on the applied control circuit protection equipment such as table 1. Reliability performance protection will determine motor protection against interference. As an illustration dipelihatkan in Figure 3-1, a circuit controlling a motor with two speeds and two-way swivel that is equipped with the tools and the TOL protection fuse or MCB. Figure 3-1. ...

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Thermal Over Load Relay

Safety device used on the motor occurs when the load is called the Thermal Over Load Relay (TOR / TOL) is usually coupled with a contactor, the market there is also a more integrated security burden on Motor Circuit Breaker. Relay is normally connected to the contactor to the main contact 2, 4, and 6 before being connected to the ...

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Kontaktor Magnet

Kontaktor magnet atau sakelar magnet adalah sakelar yang bekerja berdasarkan kemagnetan, artinya saklar ini dapat bekerja apabila ada gaya kemagnetan. Magnet berfungsi sebagai penarik dan pelepas kontak-kontak. Sebuah kontaktor harus mampu mengalirkan dan memutuskan arus listrik dalam keadaan normal. Arus listrik yang mengalir secara normal adalah arus listrik yang mengalir selama pemutusan tidak terjadi. Kumparan magnet kontaktor (coil) dapat dirancang ...

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Electrical Power

Electrical energy is useful to us because it can be converted into other forms of energy. In the power tools such as electric heaters, electric stoves, and air conditioning, electrical energy is converted into heat energy in the wire barriers known as “heating elements”. Then, in a lot of light (Figure 7.4), a small wire filament becomes so hot that ...

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