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Magnetic Starter and Automatic

a. Magnetic Starter Magnetic starter is a term that is imposed on the starting of the motor circuits directly using contactors and thermal overload. Figure 2.17 shows an example of a large-capacity magnetic starter for mengasut a 3-phase motors. Medium Figure 2.18 shows the electrical diagram of a magnetic starter control circuit. Figure 2.17 Non-Reversing Starter Magnetic Control Figure 2.18 ...

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Pentingnya Perawatan Mesin

Setiap benda yang dibiarkan tanpa sentuhan perawatan dapat mengalami kerusakan akibat kontaminasi atau penyebab lain. Dengan perawatan yang baik alat, benda/barang dan sistem tersebut selalu dalam kondisi terkendali dan siap digunakan sewaktu-waktu. Dengan upaya perawatan ini selain meyakinkan barang siap digunakan juga akan memperpanjang umur dari peralatan, barang atau sistem. Penyebab kerusakan barang yang dibiarkan tanpa dirawat biasanya karena faktor ...

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Beberapa Jenis Palu dan Pahat

Palu merupaan alat perawatan/perbaikan yang digunakan untuk memukul, memasang dan melepaskan komponen-komponen mesin seperti pada pemasangan bearing, melepas sambungan pada propeller shaft dan sebagainya, serta untuk membentuk benda krja sesuai keinginan dan disesuaikan dengan bentuk dasar dari palu. Ada berbagai macam bentuk palu, jika dikategorikan dari bahannya dapat dibagi menjadi dua yaitu: palu keras dan palu lunak. a. Palu keras/palu ...

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Safety Shock Electric Current

Part of an electrical circuit when we touched two-voltage cables, cable phase and neutral wires or grounding wires (ground) simultaneously, as shown in Figure 1.3. Electric current flows from left hand to right hand through the heart of the victim. Figure 1.3 Running electric currents through the human body from hand to hand Earthing wire in the electrification system is ...

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Component Release Planning

When newly installed components are problematic or damaged, the causes are often sourced from the discharge stage during the repair process. There are two main causes: 1. Urgent repairs In hasty repairs that heavy equipment can be reused immediately, the source of the damage is usually unrecognized and resolved. 2. Ease of repair Sometimes, ease of component replacement can slow ...

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Impact Shock Electric Current

Here is an impact of electric shock as seen from the magnitude of electric current flowing in the human body. Electrical current of 1 miliamper create the sensation of someone, a current of 20 miliamper memungkinkanseseorang can not move, a current of 100 miliamper cause the ventricuar fibrillation (heart pounding), and the current is greater than or equal to 200 ...

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