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Home > Author Archives: Taufiqullah (page 33)

Author Archives: Taufiqullah

Pengaman Sengatan Arus Listrik

Bagian dari suatu rangkaian listrik bila kita menyentuh dua kabel bertegangan, kabel fasa dan kabel netral atau kabel pentanahan (ground) secara bersamaan, seperti diperlihatkan dalam Gambar 1.3. Arus listrik mengalir dari tangan kiri ke tangan kanan melalui jantung korban. Gambar 1.3 Lintasan arus listrik melalui tubuh manusia dari tangan ke tangan Kawat pentanahan dalam sistem elektrifikasi merupakan konduktor atau penghantar ...

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Rele dan Kontaktor

Pada hakekatnya konstruksi rele dan kontaktor sama, yakni terdiri dari sebuah koil solenoid dan beberapa pasang kontak listrik. Tetapi dilihat dari penggunaannya berbeda. Rele sering digunakan untuk keperluan fungsi kontrol dan regulasi, sedang kontaktor lazim digunakan untuk keperluan fungsi power switching. Rele digunakan secara luas dalam sistem kontrol tidak langsung untuk mengoprasikan motor, katub, magnetic clutch, dan elemen pemanas (heater). ...

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Lightning Protection

Electrical circuit in an electrical power distribution structure is designed to operate at a certain current level as necessary. Every electrical circuit must be protected or gets protection, appropriate regulatory standards applicable locally, nationally, and internationally. Cable or conductor of each branch circuit protection must be to prevent the flow of current is greater than a predefined size. Electrical components ...

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Hazard & Personal Protective Equipment

Safety becomes an important factor in the work environment in general and specifically the work of installation and maintenance of refrigeration equipment and air system. Safety in the workplace referred to in this session included two terms of safety personnel and safety apparatus. We know that the refrigeration equipment and procedures udaradapat operate fine when you get supply electrical energy ...

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Due to Shock Injury Electric Current

Often we think that the danger of electric shock can only be caused by a high voltage circuit. this is not true. Many cases of occupational accidents electric shock, which is fatal to until death caused by low voltage of 120 volts. If among us ever electric shock but safe did not have a bad result, the incident should not ...

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Prosedur Lock Out

Rangkaian lock out merupakan prosedur standar yang digunakan untuk memutuskan catu daya listrik ke peralatan yang sedang dalam perawatan atau perbaikan. Ketika seorang teknisi/mekanik refrigerasi/tata udara akan bekerja di suatu peralatan listrik maka sebelum bekerja ia harus terlebih dahulu memutuskan sumber listrik yang menuju ke peralatan tersebut. Dan untuk mencegah jangan sampai ada pihak lain yang menghubungkan kembali catu daya ...

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