Perancangan dan Simulasi Kontrol Pengatur Tegangan Otomatis Untuk Transformator Daya  

Oleh:

Waluyo ; Anwari, Sabat ; Prayitno, Yudha Eko

Jenis: Article from Journal - ilmiah nasional - tidak terakreditasi DIKTI
Dalam koleksi: SIGMA: Jurnal Sains dan teknologi vol. 11 no. 1 (Jan. 2008), page 77-96.
Topik: ADC; Automatic Voltage Regulator; Hardware; Microcontroller; Personal Computer; Software

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: SS25.6 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

A control system of automatic voltage regulator for tap-changer operation on a power transformer has been designed. This system used an AT89551 series microcontroller as the main control unit of relays connected to the motor-drive of tap-changer. The operation principle of the microcontroller was on-off action. The microcontroller activated the relays and sent information to a computer, based on conditioned signal given by a sensing unit. This signal was converted to digital signal by an analog-to-digital converter of ADC0804 series. A testing of hardware and software was conducted. The input voltage was varied, up and down, from nominal voltage of 110 Volt, causing the rotor of motor and relay positions change accordingly. The change of voltage and relay positions could be seen on the software display using Visual Basic programming. The hardware and software were able to integrate and operate properly.

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